{"id":6950,"date":"2023-07-10T09:00:00","date_gmt":"2023-07-10T08:00:00","guid":{"rendered":"https:\/\/meic.cymru\/?p=6950"},"modified":"2025-11-12T13:37:22","modified_gmt":"2025-11-12T13:37:22","slug":"cyngor-cadwn-ddiogel-mewn-dwr-agored","status":"publish","type":"post","link":"https:\/\/meic.cymru\/cy\/2023\/07\/10\/cyngor-cadwn-ddiogel-mewn-dwr-agored\/","title":{"rendered":"Cyngor Aros yn Ddiogel yn y D\u0175r"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Mae nofio yn y d\u0175r oer dros yr haf a chael hwyl gyda ffrindiau yn gr\u00eat, ond mae yna beryglon y dylet ti fod yn ymwybodol ohonynt i gadw dy hun yn ddiogel os yw pethau\u2019n mynd o\u2019i le.<\/h2>\n\n\n\n<p>Paid nofio ar ben dy hun<\/p>\n\n\n\n<p>Os wyt ti\u2019n ifanc neu ddim yn nofiwr cryf, yna fe ddylet ti fynd gydag oedolyn sydd yn gallu cadw llygaid arnat ti. Mae nofwyr cryf yn gallu cael i drafferthion hefyd. Mae angen sicrhau bod rhywun yno gyda thi bob tro mewn d\u0175r agored er mwyn aros yn ddiogel. Os wyt ti\u2019n cael i drafferthion, bydd angen rhywun yno i helpu.<\/p>\n\n\n\n<p>Paid yfed alcohol a nofio. Mae alcohol yn gallu amharu ar y ffordd rwyt ti\u2019n gwneud penderfyniadau a\u2019r gallu i bara\u2019n fyw yn y d\u0175r.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Get to know the Water Safety Code with RLSS UK (Welsh subtitles)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/jnPyNNuVDqc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Chwilio am beryglon<\/p>\n\n\n\n<p>Bydda\u2019n ofalus o bethau yn y d\u0175r, fel sbwriel, chwyn neu blanhigion fydda\u2019n gallu clymu ynot ti. Nid yw\u2019n syniad doeth i blymio i mewn os nad wyt ti\u2019n gwybod pa mor ddwfn ydyw neu pa beryglon sydd yn cuddio yn y d\u0175r. Weithiau bydd yna&nbsp;<a href=\"https:\/\/www.rospa.com\/leisure-water-safety\/water\/advice\/signs\">arwyddion diogelwch<\/a>&nbsp;neu&nbsp;<a href=\"https:\/\/www.rospa.com\/leisure-water-safety\/water\/advice\/water-safety-code\/beach-flags\">fflagiau traeth<\/a>&nbsp;yn agos at y d\u0175r \u2013 cymera sylw!<\/p>\n\n\n\n<p>Efallai na fedri di weld llygredd yn y d\u0175r, ond ni olygai hyn nad yw yno. Gall llygredd achosi brech a salwch. Meddylia pa mor l\u00e2n ydyw, yn enwedig os yw\u2019n afon mewn dinas. Os wyt ti\u2019n gweld stwff gwyrdd yn arnofio ar y d\u0175r, cadwa draw. Alg\u00e2u gwyrddlas yw hyn ac mae\u2019n ymddangos yn aml ar \u00f4l tywydd poeth. Paid cyffwrdd nac nofio ynddo, gall wneud ti\u2019n s\u00e2l.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to float in water: 5 simple steps that could save your life\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/XiN5hvoouMk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Arnofio i fyw<\/h3>\n\n\n\n<p>Un o\u2019r sgiliau pwysicaf i ddeall cyn i ti fynd i\u2019r d\u0175r yw sut i arnofio i fyw. Dyma\u2019r cyngor gan elusen achub bywyd RNLI os wyt ti\u2019n cael i drafferthion yn y d\u0175r. Mae chwifio o gwmpas yn wyllt neu geisio nofio yn erbyn y cerrynt yn gallu blino rhywun yn sydyn iawn ac yn rhoi rhywun mewn perygl o foddi. Dylid pwyso yn \u00f4l ar y cefn yn bwyllog, ymestyn y breichiau a\u2019r coesau fel si\u00e2p seren a cheisio arnofio. Symuda dy freichiau a choesau yn ara\u2019 deg os yw\u2019n helpu. Pan fyddi di wedi cael rheolaeth ar dy anadlu, gwaedda am help. Gwylia\u2019r fideo uchod i weld sut mae gwneud.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"What to do if you get caught in a rip current\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/yZXgmSuU3IQ?list=PLrYLpy0TFz0718JvEgQfmNbNlIi8vhHpq\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Cerhyntau (currents)<\/h3>\n\n\n\n<p>Un o beryglon mwyaf d\u0175r agored ydy cerhyntau. Mae\u2019r rhain yn gallu cuddio o dan y d\u0175r, i\u2019w gweld uwchben y d\u0175r, neu\u2019n anodd ei gweld, fel cerrynt terfol (<a href=\"https:\/\/rnli.org\/safety\/know-the-risks\/rip-currents\">rip current<\/a>). Gall cerrynt bach daro rhywun oddi ar eu traed hyd yn oed.<\/p>\n\n\n\n<p>Nid ellir rhagweld beth fydd cerrynt yn ei wneud. Mae\u2019n gallu llusgo ti i mewn i dd\u0175r dyfnach. Mae\u2019n enwedig o beryglus os wyt ti\u2019n nofio\u2019n agos at raeadrau, coredau (rhwystr ar draws y d\u0175r) neu rwystrau. Y temtasiwn ydy ceisio nofio yn erbyn y cerrynt i ddianc, ond gall hyn flino rhywun yn sydyn iawn. Paid corddi o gwmpas yn wyllt. Arbed dy egni a defnyddia\u2019r cyngor arnofio i fyw uchod.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to survive cold water shock\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/0gd6QC2Emrc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">D\u0175r oer<\/h3>\n\n\n\n<p>Mae\u2019r corff yn gallu ymateb i dd\u0175r oer mewn ffordd beryglus iawn. Mae\u2019n gallu achosi cramp sydd yn gallu cael effaith ar y gallu i nofio. Mae bod yn rhy oer yn gallu achosi hypothermia (argyfwng meddygol). Os wyt ti\u2019n crynu a dy ddannedd yn taro yn erbyn ei gilydd, cer allan o\u2019r d\u0175r a chynhesu\u2019n araf wrth lapio i fyny neu wneud neidiau seren neu ymwthiadau (press-ups).<\/p>\n\n\n\n<p>Mae&nbsp;<a href=\"https:\/\/www.rlss.org.uk\/cold-water-shock-the-facts\">sioc d\u0175r oer<\/a>&nbsp;yn gallu digwydd os yw tymheredd y corff yn oeri yn rhy sydyn. Gall hyn orfodi\u2019r corff i gymryd anadl ddofn, ac achosi\u2019r galon i guro\u2019n fwy sydyn. Mae hyn yn gallu troi\u2019n beryglus yn sydyn iawn ac achosi pobl i lyncu d\u0175r a boddi. Dylai\u2019r corff ddod i arfer \u00e2\u2019r newid tymheredd yn raddol wrth gerdded yn araf i mewn i\u2019r d\u0175r a pheidio plymio i mewn.<\/p>\n\n\n\n<p>Os wyt ti\u2019n cael i drafferthion mewn d\u0175r oer, arnofia a gweiddi am help (gweler y cyngor arnofio i fyw uchod). Arhosa\u2019n ddigynnwrf nes iddo basio neu nes bydd help yn cyrraedd. Os yn bosib, meddwl am wisgo siwt dd\u0175r. Wrth gymryd rhan mewn gweithgareddau d\u0175r, fel padlfyrddio neu gaiacio, gwisga siaced achub. Bydd yn cadw ti ar wyneb y d\u0175r.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Gwasanaeth T\u00e2n ac Achub De Cymru Awgrymiadau Diogelwch D\u0175r\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/q2R7bSinsWM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Mewn argyfwng<\/h3>\n\n\n\n<p>Os wyt ti\u2019n gweld rhywun mewn trafferthion yn y d\u0175r, galwa 999 yn syth a gofyn am help. Paid mynd i\u2019r d\u0175r dy hun i geisio achub rhywun. Os oes rhywbeth sydd yn gallu arnofio yn agos, tafla ef i\u2019r person sydd mewn trafferthion a disgwyl am help.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium is-style-rounded\"><a href=\"https:\/\/www.meiccymru.org\/wp-content\/uploads\/2021\/07\/expressive-beautiful-woman-posing-swimming-pool-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/meic.cymru\/wp-content\/uploads\/2025\/07\/expressive-beautiful-woman-posing-swimming-pool-300x200.jpg\" alt=\"Girl keeping safe in the water by floating in a star shape\" class=\"wp-image-4410\"\/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Gwybodaeth a help bellach<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/rnli.org\/safety\" target=\"_blank\" rel=\"noreferrer noopener\">Diogelwch RNLI<\/a>\u00a0\u2013 dysgu sut i gadw dy hun ac eraill yn ddiogel yn y d\u0175r<\/li>\n\n\n\n<li><a href=\"https:\/\/www.decymru-tan.gov.uk\/eich-diogelwch-a-lles\/eich-cymuned\/diogelwch-dwr\/\" target=\"_blank\" rel=\"noreferrer noopener\">Aros yn Ddiogel ger D\u0175r\u00a0<\/a>\u2013 cyngor gan Wasanaeth T\u00e2n ac Achub De Cymru<\/li>\n\n\n\n<li><a href=\"https:\/\/hwb.gov.wales\/api\/storage\/8163b0cb-47bf-4527-a8b0-5493dee10d1c\/Get%20soaked!%20You%20guide%20to%20having%20fun%20and%20staying%20safe.pdf?preview=true\" target=\"_blank\" rel=\"noreferrer noopener\">Gwlychwch!<\/a>\u00a0\u2013 canllaw i gael hwyl ac aros yn ddiogel<\/li>\n\n\n\n<li><a href=\"https:\/\/hwb.gov.wales\/api\/storage\/8163b0cb-47bf-4527-a8b0-5493dee10d1c\/Get%20soaked!%20You%20guide%20to%20having%20fun%20and%20staying%20safe.pdf?preview=true\" target=\"_blank\" rel=\"noreferrer noopener\">Sioc D\u0175r Oer<\/a>\u00a0\u2013 gwybodaeth gan yr RNLI<\/li>\n\n\n\n<li><a href=\"https:\/\/www.rlss.org.uk\/summer-water-safety\" target=\"_blank\" rel=\"noreferrer noopener\">Diogelwch D\u0175r yn yr Haf<\/a>\u00a0\u2013 cyngor gan y Royal Life Saving Society UK<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Angen siarad?<\/h3>\n\n\n\n<p>Os wyt ti angen siarad y gyfrinachol am unrhyw beth sydd yn dy boeni, yna mae&nbsp;<a href=\"https:\/\/www.meiccymru.org\/cym\/cael-help\/\">Meic<\/a>&nbsp;yma i wrando a chynnig cyngor bob dydd rhwng 8yb a hanner nos.&nbsp;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mae nofio yn y d\u0175r oer dros yr haf a chael hwyl gyda ffrindiau yn gr\u00eat, ond mae yna beryglon y dylet ti fod yn ymwybodol ohonynt i gadw dy hun yn ddiogel os yw pethau\u2019n mynd o\u2019i le. Paid nofio ar ben dy hun Os wyt ti\u2019n ifanc neu ddim yn nofiwr cryf, yna [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6953,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1660],"tags":[],"class_list":["post-6950","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diogelwch-corfforol"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cyngor Aros yn Ddiogel yn y D\u0175r - Meic<\/title>\n<meta name=\"description\" content=\"Deall sut i gadw dy hun yn ddiogel mewn d\u0175r agored a beth i\u2019w wneud os yw pethau yn mynd o\u2019i le gyda&#039;r cyngor yn ein blog.\" \/>\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\/2023\/07\/10\/cyngor-cadwn-ddiogel-mewn-dwr-agored\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cyngor Aros yn Ddiogel yn y D\u0175r - 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