{"id":37528,"date":"2026-02-06T14:11:29","date_gmt":"2026-02-06T14:11:29","guid":{"rendered":"https:\/\/cardiffstudentmedia.co.uk\/quench\/?p=37528"},"modified":"2026-02-06T14:11:30","modified_gmt":"2026-02-06T14:11:30","slug":"ydych-chi-erioed-wedi-mentro-nofio-mewn-dwr-oer-yn-ystod-y-gaeaf","status":"publish","type":"post","link":"https:\/\/cardiffstudentmedia.co.uk\/quench\/cymraeg\/ydych-chi-erioed-wedi-mentro-nofio-mewn-dwr-oer-yn-ystod-y-gaeaf\/","title":{"rendered":"Nofio Gaeafol"},"content":{"rendered":"\n

Ydych chi erioed wedi mentro nofio mewn d\u0175r oer yn ystod y gaeaf? Neu hyd yn oed wedi nofio mewn d\u0175r oer o gwbl? Wel, dyma rywbeth sy\u2019n cadw nifer fawr o bobl yn brysur yn ystod eu hamser sb\u00e2r – yn enwedig yn ystod dechrau’r flwyddyn newydd!<\/p>\n\n\n\n

Pam?<\/strong><\/p>\n\n\n\n

Felly pam fod cymaint yn cymryd rhan mewn gweithgaredd sydd mor straenus i\u2019r corff? Wel, dyma ffordd o osod her i\u2019ch hunain wrth gymdeithasu a chwrdd \u00e2 phobl newydd. Mae rhai hyd yn oed yn ei wneud i gyflawni traddodiadau fel \u2018boxing day\u2019 – a ffordd o losgi\u2019r twrci oddi ar eich corff!<\/p>\n\n\n\n

Daw hefyd buddion meddyliol a chorfforol, gan wella eich iechyd yn gyffredinol. Drwy ryddhau endorphins<\/em> a chynyddu dopamine<\/em>, mae gan unigolion lawer mwy o egni, llai o bryder, a gwell hwyliau\u2019n gyffredinol – perffaith ar gyfer lleihau straen y brifysgol!<\/p>\n\n\n\n

Y galon sy\u2019n cael ei dargedu fwyaf, mae\u2019r weithgaredd yn gwella cylchrediad y gwaed, gan olygu gwellhad yn adferiad y cyhyrau. Felly, bydd llai o boen yn eich cyhyrau, sy\u2019n rhywbeth defnyddiol iawn yn hirdymor.<\/p>\n\n\n\n

Roedd Lois Rhiannon o ardal Aberystwyth ddigon ffodus i fod yn nofio mewn d\u0175r oer ers oedi tua 3\/4oed, ac yn dweud ei fod yn \u201cffordd o glirio\u2019r pen ar \u00f4l cael wythnos straenus\u201d<\/em>.<\/p>\n\n\n\n

Mynegodd Lois y gwahaniaeth a theimlai yn ystod y weithgaredd:<\/p>\n\n\n\n

<\/a>\u201car y dechrau dwi\u2019n cael \u2018rush\u2019 o banic ac adrenalin, ac mae\u2019n cymryd ychydig o amser i gael fy anadl yn \u00f4l, ond unwaith ti\u2019n arfer gyda thymheredd y d\u0175r mae dy gorff i gyd yn addasu, a dwi\u2019n cael teimlad cwbl ymlaciedig, yn gorfforol ac yn feddyliol.\u201d<\/em><\/p>\n\n\n\n

Risgiau:<\/strong><\/p>\n\n\n\n

Wrth gwrs, mae\u2019r weithgaredd unigryw yma\u2019n dod \u00e2 rhai risgiau, felly mae\u2019n bwysig bod yn ofalus a chadw\u2019n ddiogel wrth ei wneud. <\/p>\n\n\n\n

Os oeddech chi\u2019n teimlo\u2019n oer yn ystod yr eira mis diwethaf, byddech hyd yn oed yn oerach yn nofio yn y gwyllt, gyda risg uchel o gael hypothermia os ydych chi’n aros yn y d\u0175r rhy hir. Mae\u2019r newid yn nhymheredd eich corff ar \u00f4l cerdded i mewn i\u2019r d\u0175r yn gallu achosi problemau yn gyda\u2019r galon, ac arafu symudiadau yn eich coesau a\u2019ch breichiau.<\/p>\n\n\n\n

Gallwch hefyd ddioddef o \u2018ymateb sioc oer\u2019, sy\u2019n arwain at y gwrthwyneb, cyfradd curiad y galon gyflymach, pwysedd gwaed uwch, ac anadl byr. Dydy hi ddim yn rhywbeth arferol i\u2019ch corff neidio mewn i dd\u0175r o dan 15gradd, felly all hyn achosi i chi golli rheolaeth a rhoi chi dan berygl.<\/p>\n\n\n\n

Sut i leihau\u2019r risgiau:<\/strong><\/p>\n\n\n\n

Ond, mae miloedd ar filoedd yn cymryd rhan yn y gweithgaredd, felly wrth gwrs ei fod yn saff i wneud – mae jyst angen sicrhau bod yn ofalus ac yn gall, a pheidio mynd ar ben eich hun.<\/p>\n\n\n\n

Os ydy\u2019r gweithgaredd yn rhywbeth newydd i chi – mae angen i chi gynhesu\u2019n iawn cyn mynd, a sicrhau nad ydych yn treulio gormodedd o amser yn y d\u0175r – er efallai na fydd hyn yn broblem fawr i nifer ohonoch!<\/p>\n\n\n\n

Mae\u2019n bwysig hefyd dewis eich lleoliad yn ofalus, mae angen i chi fod yn ymwybodol ble i gamu mewn ac allan o\u2019r d\u0175r, beth ydy sefyllfa llif y d\u0175r, a sut i ymdopi petai chi\u2019n cael eich dal mewn llif dwfn (rip current).<\/em><\/p>\n\n\n\n

Yn agos i Gaerdydd mae modd i chi wneud y gweithgaredd yn Llys-faen a llyn cronfa dd\u0175r Llanisien. Gallwch archebu lle, felly pam lai? Ewch amdani gyda\u2019ch ffrindiau i ymlacio yn ystod yr ail dymor eleni, a gwnewch y mwyaf o natur y wlad!<\/p>\n\n\n\n

Am fwy o wybodaeth a\u2019r sut i gyflawni nofio mewn d\u0175r oer yn saff, ewch i:<\/em><\/p>\n\n\n\n

Outdoorswimmingsociety.com<\/em><\/a><\/p>\n\n\n\n

Rnli.org<\/em><\/a><\/p>\n\n\n\n

Geiriau gan: Gwenllian Mason\u00a0<\/em><\/p>\n\n\n\n

Llun gan: Erin Davies<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Ydych chi erioed wedi mentro nofio mewn d\u0175r oer yn ystod y gaeaf? Neu hyd yn oed wedi nofio mewn […]<\/p>\n","protected":false},"author":722,"featured_media":37529,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3598],"tags":[4557,3599,7723,4550,7724],"class_list":["post-37528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cymraeg","tag-caerdydd","tag-clebar","tag-cold-water-swimming","tag-cymraeg","tag-nofio-gaeafol"],"acf":[],"yoast_head":"\nNofio Gaeafol - Quench<\/title>\n<meta name=\"description\" content=\"Felly pam fod cymaint yn cymryd rhan mewn gweithgaredd sydd mor straenus i\u2019r corff? 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