{"id":10418,"date":"2026-10-14T12:05:06","date_gmt":"2026-10-14T11:05:06","guid":{"rendered":"https:\/\/meic.cymru\/?p=10418"},"modified":"2026-10-16T14:15:39","modified_gmt":"2026-10-16T13:15:39","slug":"llifogydd-yng-nghymru-sut-i-gadwn-ddiogel","status":"publish","type":"post","link":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/","title":{"rendered":"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd, yn enwedig yn ystod y gaeaf. Wrth i ni nes\u00e1u at fisoedd gwlypach y flwyddyn, dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Pam bod llifogydd yn digwydd?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mae llifogydd yn digwydd pan fydd glaw trwm yn disgyn mewn cyfnod byr o amser ac na all afonydd a nentydd ddraenio&#8217;r d\u0175r dros ben yn ddigon cyflym.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae <a href=\"https:\/\/meic.cymru\/cy\/amgylchedd-ar-hinsawdd\/\">newid hinsawdd<\/a> yn golygu bod llifogydd yn digwydd yn fwy aml ond paid \u00e2 phoeni \u2013 mae Llywodraeth Cymru yn gwario miliynau o bunnoedd bob blwyddyn ar adeiladu amddiffynfeydd rhag llifogydd, ac mae pethau y gallet ti eu gwneud i baratoi ac i gadw dy hun yn ddiogel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pa ardaloedd o Gymru sy\u2019n wynebu risg o lifogydd?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mae ardaloedd yng Nghymru sy&#8217;n agos at yr arfordir, afonydd, neu gronfeydd d\u0175r yn wynebu&#8217;r risg uchaf o lifogydd. Gallet ti nodi dy god post <a href=\"https:\/\/check-your-flood-risk.naturalresources.wales\/?culture=cy-GB\">yma<\/a> i wirio&#8217;r risg o lifogydd yn dy ardal.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/waal-river-bed-winter-overcast-day-1024x683.jpg\" alt=\"The waal river bed in winter on a overcast day\" class=\"wp-image-10415\" style=\"width:500px;height:auto\" srcset=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/waal-river-bed-winter-overcast-day-1024x683.jpg 1024w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/waal-river-bed-winter-overcast-day-300x200.jpg 300w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/waal-river-bed-winter-overcast-day-768x512.jpg 768w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/waal-river-bed-winter-overcast-day.jpg 1417w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Sut i baratoi ar gyfer llifogydd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Gwiria dy risg o lifogydd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gallet ti ddefnyddio\u2019r adnoddau yma gan <a href=\"https:\/\/naturalresources.wales\/flooding\/check-your-flood-risk-by-postcode\/?lang=cy\">Gyfoeth Naturiol Cymru<\/a> neu <a href=\"https:\/\/mapdata.llyw.cymru\/layers\/inspire-nrw:NRW_FLOOD_WARNING\">Lywodraeth Cymru<\/a> i ffeindio allan os ydy dy ardal yn wynebu risg o lifogydd. Gallet ti hefyd <a href=\"https:\/\/cofrestrwch.llifogydd.cyfoethnaturiol.cymru\/\">setio lan rhybuddion llifogydd<\/a> er mwyn derbyn rhybudd os ydyn nhw&#8217;n credu bod dy ardal yn debygol o lifo.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ysgrifenna gynllun llifogydd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Rho gynllun yn ei le am beth fyddet ti\u2019n ei wneud os yw dy gartref yn llifo, ysgrifenna e lawr, a\u2019i rannu gyda ffrindiau a theulu fel eu bod nhw\u2019n gwybod beth i wneud. Os wyt ti\u2019n byw mewn t\u0177 dwy lawr, arhosa i fyny&#8217;r grisiau yn ddiogel o\u2019r d\u0175r llifogydd. Os wyt ti\u2019n byw mewn byngalo neu fflat ar y llawr gwaelod, dylet ti drefnu rhywle arall i fynd iddo ac aros yno nes bod y llifogydd drosodd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Storia eitemau gwerthfawr a teimladol yn uchel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os wyt ti\u2019n byw mewn ardal risg-uchel, mae&#8217;n ddoeth cadw unrhyw beth nad wyt ti eisiau ei golli mewn man uchel trwy gydol y flwyddyn, fel ar ben cwpwrdd neu silff lyfrau. Fel hyn, ni fydd angen i ti boeni am eu symud os bydd llifogydd.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" src=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/man-transporting-two-cats-plastic-cage-pet-travel-carrier-1024x556.jpg\" alt=\"Man transporting two cats in a plastic cage or pet travel carrier\" class=\"wp-image-10409\" style=\"width:500px;height:auto\" srcset=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/man-transporting-two-cats-plastic-cage-pet-travel-carrier-1024x556.jpg 1024w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/man-transporting-two-cats-plastic-cage-pet-travel-carrier-300x163.jpg 300w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/man-transporting-two-cats-plastic-cage-pet-travel-carrier-768x417.jpg 768w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/man-transporting-two-cats-plastic-cage-pet-travel-carrier-1536x834.jpg 1536w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/man-transporting-two-cats-plastic-cage-pet-travel-carrier-2048x1112.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4. Cadw anifeiliaid anwes yn ddiogel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mae llifogydd yn beryglus i anifeiliaid yn ogystal \u00e2 phobl! Gwna\u2019n si\u0175r dy fod yn mynd \u00e2 dy anifeiliaid anwes gyda thi os bydd rhaid i ti wac\u00e1u (gadael adref am gyfnod i fynd i rywle mwy diogel), neu cadwa nhw i fyny&#8217;r grisiau, i ddiogel o&#8217;r d\u0175r. <a href=\"https:\/\/www.rspca.org.uk\/adviceandwelfare\/seasonal\/floods\">Mae gan y RSPCA ganllaw ar sut i gadw anifeiliaid yn ddiogel yn ystod llifogydd<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Pacio pecyn llifogydd&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dylet baratoi bag o eitemau hanfodol i fynd gyda ti os oes rhaid i ti wac\u00e1u, a bydd yn si\u0175r bod ti a\u2019r bobl rwyt ti\u2019n byw gyda nhw yn gwybod lle mae o. Dylai cynnwys pethau fel:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dogfennau pwysig (fel dogfennau adnabod a yswiriant cartref, os oes gen ti nhw)<\/li>\n\n\n\n<li>Ff\u00f4n, gwefrydd, a phecyn batri<\/li>\n\n\n\n<li>Tortsh<\/li>\n\n\n\n<li>Dillad cynnes, gwrth-dd\u0175r, menig rwber, mwgwd wyneb, ac esgidiau glaw<\/li>\n\n\n\n<li>Pecyn cymorth cyntaf<\/li>\n\n\n\n<li>Unrhyw feddyginiaeth bresgripsiwn sydd ei hangen arnat ti&nbsp;<\/li>\n\n\n\n<li>Cyflenwadau anifeiliaid anwes os oes gen ti rai<\/li>\n\n\n\n<li>Rhestr o rifau ff\u00f4n pwysig, rhag ofn bod dy ff\u00f4n yn cael ei golli neu ei ddifrodi (gan gynnwys Floodline, sydd ar agor 24\/7 \u2013 0345 988 1188)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/person-blue-denim-jeans-yellow-boots-standing-water-1024x683.jpg\" alt=\"Person in blue denim jeans and yellow boots standing on water\" class=\"wp-image-10413\" style=\"width:500px;height:auto\" srcset=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/person-blue-denim-jeans-yellow-boots-standing-water-1024x683.jpg 1024w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/person-blue-denim-jeans-yellow-boots-standing-water-300x200.jpg 300w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/person-blue-denim-jeans-yellow-boots-standing-water-768x512.jpg 768w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/person-blue-denim-jeans-yellow-boots-standing-water-1536x1024.jpg 1536w, https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/person-blue-denim-jeans-yellow-boots-standing-water-2048x1366.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">6. Diffodd y nwy, y trydan a&#8217;r d\u0175r<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Am resymau diogelwch, dylet ti ddiffodd dy gyflenwadau nwy, d\u0175r, a thrydan yn ystod lifogydd.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mae falf y nwy fel arfer wrth ymyl y mesurydd nwy<\/li>\n\n\n\n<li>Mae prif switsh y trydan fel arfer yn switsh coch ar y blwch ffiwsiau<\/li>\n\n\n\n<li>Mae falf cau&#8217;r d\u0175r fel arfer o dan sinc y gegin neu lle mae&#8217;r bibell dd\u0175r yn dod i mewn i&#8217;r t\u0177<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os wyt ti\u2019n ansicr sut i wneud hyn, gallet ti <a href=\"https:\/\/www.energynetworks.org\/customers\/find-my-network-operator\">gysylltu \u00e2 dy gyflenwr ynni<\/a> am gymorth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. Osgoi cysylltiad \u00e2 d\u0175r llifogydd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nid yw d\u0175r llifogydd yn ddiogel. Fel arfer, mae wedi&#8217;i halogi gan bethau fel carthion, cemegau a baw anifeiliaid. Wrth lanhau ar \u00f4l llifogydd, dylet wisgo menig a dillad amddiffynnol. <a href=\"https:\/\/icc.gig.cymru\/gwybodaeth-erthygl\/llifogydd-ac-iechyd\/\">Mae Iechyd Cyhoeddus Cymru yn cynnig cyngor ar sut i gadw\u2019n ddiogel ac yn iach yn ystod ac ar \u00f4l llifogydd<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Llifogydd ac Iechyd Meddwl<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gall llifogydd fod yn brofiad trawmatig. Gall y llifogydd eu hunain, yn ogystal \u00e2&#8217;r gwaith glanhau sy&#8217;n dilyn, achosi straen a phryder. Wrth lanhau, cymera egwyl os yw&#8217;r sefyllfa&#8217;n teimlo&#8217;n ormod i&#8217;w hwynebu, a gwna\u2019n si\u0175r i droi at ffrindiau ac anwyliaid am gymorth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os wyt ti\u2019n poeni am lifogydd neu&#8217;n teimlo&#8217;n ofidus oherwydd eu heffaith, mae Meic yma i ti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cysyllta \u00e2 ni am ddim i gael cyngor a gwasanaeth eirioli cyfrinachol.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd, yn enwedig yn ystod y gaeaf. Wrth i ni nes\u00e1u at fisoedd gwlypach y flwyddyn, dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd. Pam bod llifogydd yn digwydd? Mae llifogydd yn digwydd pan fydd glaw trwm yn disgyn mewn cyfnod [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":10412,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1639,1660],"tags":[3812,5384,2564,5359,5358],"class_list":["post-10418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amgylchedd-ar-hinsawdd","category-diogelwch-corfforol","tag-amgylchedd","tag-cadwn-diogel-mewn-llifogydd","tag-diogelwch","tag-llifogydd","tag-llifogydd-yng-nghymru"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel - Meic<\/title>\n<meta name=\"description\" content=\"Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd. Dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel - Meic\" \/>\n<meta property=\"og:description\" content=\"Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd. Dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/\" \/>\n<meta property=\"og:site_name\" content=\"Meic\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-14T11:05:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-16T13:15:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/flooded-street-residential-area.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2268\" \/>\n\t<meta property=\"og:image:height\" content=\"1512\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bethan Gallivan\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bethan Gallivan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/\"},\"author\":{\"name\":\"Bethan Gallivan\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#\\\/schema\\\/person\\\/6cab844e5c3ef5a7f424d2be7c9514c1\"},\"headline\":\"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel\",\"datePublished\":\"2026-10-14T11:05:06+00:00\",\"dateModified\":\"2026-10-16T13:15:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/\"},\"wordCount\":815,\"publisher\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/meic.cymru\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/flooded-street-residential-area.jpg\",\"keywords\":[\"amgylchedd\",\"cadw'n diogel mewn llifogydd\",\"diogelwch\",\"llifogydd\",\"Llifogydd yng Nghymru\"],\"articleSection\":[\"Amgylchedd a'r Hinsawdd\",\"Diogelwch Corfforol\"],\"inLanguage\":\"cy-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/\",\"url\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/\",\"name\":\"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel - Meic\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/meic.cymru\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/flooded-street-residential-area.jpg\",\"datePublished\":\"2026-10-14T11:05:06+00:00\",\"dateModified\":\"2026-10-16T13:15:39+00:00\",\"description\":\"Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd. Dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#breadcrumb\"},\"inLanguage\":\"cy-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#primaryimage\",\"url\":\"https:\\\/\\\/meic.cymru\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/flooded-street-residential-area.jpg\",\"contentUrl\":\"https:\\\/\\\/meic.cymru\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/flooded-street-residential-area.jpg\",\"width\":2268,\"height\":1512,\"caption\":\"Flooded street in a residential area\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/2026\\\/10\\\/14\\\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#website\",\"url\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/\",\"name\":\"Meic\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cy-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#organization\",\"name\":\"Meic\",\"url\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/meic.cymru\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/meic-logo.png\",\"contentUrl\":\"https:\\\/\\\/meic.cymru\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/meic-logo.png\",\"width\":197,\"height\":86,\"caption\":\"Meic\"},\"image\":{\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/#\\\/schema\\\/person\\\/6cab844e5c3ef5a7f424d2be7c9514c1\",\"name\":\"Bethan Gallivan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6cf676aaf68955a5b77e1078b256fdfd7536c803dddf9f98564f284bfac973a9?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6cf676aaf68955a5b77e1078b256fdfd7536c803dddf9f98564f284bfac973a9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6cf676aaf68955a5b77e1078b256fdfd7536c803dddf9f98564f284bfac973a9?s=96&d=mm&r=g\",\"caption\":\"Bethan Gallivan\"},\"url\":\"https:\\\/\\\/meic.cymru\\\/cy\\\/author\\\/bethang\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel - Meic","description":"Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd. Dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/","og_locale":"cy_GB","og_type":"article","og_title":"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel - Meic","og_description":"Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd. Dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.","og_url":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/","og_site_name":"Meic","article_published_time":"2026-10-14T11:05:06+00:00","article_modified_time":"2026-10-16T13:15:39+00:00","og_image":[{"width":2268,"height":1512,"url":"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/flooded-street-residential-area.jpg","type":"image\/jpeg"}],"author":"Bethan Gallivan","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Bethan Gallivan","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#article","isPartOf":{"@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/"},"author":{"name":"Bethan Gallivan","@id":"https:\/\/meic.cymru\/cy\/#\/schema\/person\/6cab844e5c3ef5a7f424d2be7c9514c1"},"headline":"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel","datePublished":"2026-10-14T11:05:06+00:00","dateModified":"2026-10-16T13:15:39+00:00","mainEntityOfPage":{"@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/"},"wordCount":815,"publisher":{"@id":"https:\/\/meic.cymru\/cy\/#organization"},"image":{"@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#primaryimage"},"thumbnailUrl":"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/flooded-street-residential-area.jpg","keywords":["amgylchedd","cadw'n diogel mewn llifogydd","diogelwch","llifogydd","Llifogydd yng Nghymru"],"articleSection":["Amgylchedd a'r Hinsawdd","Diogelwch Corfforol"],"inLanguage":"cy-GB"},{"@type":"WebPage","@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/","url":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/","name":"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel - Meic","isPartOf":{"@id":"https:\/\/meic.cymru\/cy\/#website"},"primaryImageOfPage":{"@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#primaryimage"},"image":{"@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#primaryimage"},"thumbnailUrl":"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/flooded-street-residential-area.jpg","datePublished":"2026-10-14T11:05:06+00:00","dateModified":"2026-10-16T13:15:39+00:00","description":"Mae rhai ardaloedd o Gymru yn wynebu risg o lifogydd. Dyma rai awgrymiadau am sut i gadw dy hun yn ddiogel mewn llifogydd.","breadcrumb":{"@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#breadcrumb"},"inLanguage":"cy-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/"]}]},{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#primaryimage","url":"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/flooded-street-residential-area.jpg","contentUrl":"https:\/\/meic.cymru\/wp-content\/uploads\/2026\/10\/flooded-street-residential-area.jpg","width":2268,"height":1512,"caption":"Flooded street in a residential area"},{"@type":"BreadcrumbList","@id":"https:\/\/meic.cymru\/cy\/2026\/10\/14\/llifogydd-yng-nghymru-sut-i-gadwn-ddiogel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/meic.cymru\/cy\/"},{"@type":"ListItem","position":2,"name":"Llifogydd yng Nghymru: Sut i Gadw\u2019n Ddiogel"}]},{"@type":"WebSite","@id":"https:\/\/meic.cymru\/cy\/#website","url":"https:\/\/meic.cymru\/cy\/","name":"Meic","description":"","publisher":{"@id":"https:\/\/meic.cymru\/cy\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/meic.cymru\/cy\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cy-GB"},{"@type":"Organization","@id":"https:\/\/meic.cymru\/cy\/#organization","name":"Meic","url":"https:\/\/meic.cymru\/cy\/","logo":{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/meic.cymru\/cy\/#\/schema\/logo\/image\/","url":"https:\/\/meic.cymru\/wp-content\/uploads\/2025\/07\/meic-logo.png","contentUrl":"https:\/\/meic.cymru\/wp-content\/uploads\/2025\/07\/meic-logo.png","width":197,"height":86,"caption":"Meic"},"image":{"@id":"https:\/\/meic.cymru\/cy\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/meic.cymru\/cy\/#\/schema\/person\/6cab844e5c3ef5a7f424d2be7c9514c1","name":"Bethan Gallivan","image":{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/6cf676aaf68955a5b77e1078b256fdfd7536c803dddf9f98564f284bfac973a9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6cf676aaf68955a5b77e1078b256fdfd7536c803dddf9f98564f284bfac973a9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6cf676aaf68955a5b77e1078b256fdfd7536c803dddf9f98564f284bfac973a9?s=96&d=mm&r=g","caption":"Bethan Gallivan"},"url":"https:\/\/meic.cymru\/cy\/author\/bethang\/"}]}},"_links":{"self":[{"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/posts\/10418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/comments?post=10418"}],"version-history":[{"count":2,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/posts\/10418\/revisions"}],"predecessor-version":[{"id":10421,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/posts\/10418\/revisions\/10421"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/media\/10412"}],"wp:attachment":[{"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/media?parent=10418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/categories?post=10418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meic.cymru\/cy\/wp-json\/wp\/v2\/tags?post=10418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}