Met Office: Eryri: forecast wind

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Sefyllfa cyffredinol Dydd Sadwrn

Cloudy with extensive hill fog and spells of often heavy rain. Later this afternoon drier conditions may reach the far northwest of Snowdonia.

Peryglon	Risgiau	Eglurhad
Stormydd eira	No Risk
Eira trwm	No Risk
Gwyntoedd nerth storom	No Risk
Tymhestloedd	Low	Winds may gust to 50mph at times over highest ridges and peaks this afternoon.
Effaith oeri difrifol	No Risk
Niwl hirbarhaol ac eang dros y bryniau	High	Hill fog above 300 metres, lifting above 700 metres through this afternoon across the south.
Stormydd o daranau	No Risk
Glaw trwm di-baid	Medium	Risk of heavy and persistent rain this morning.

Peryglon

Risgiau

Eglurhad

Stormydd eira

No Risk

Eira trwm

No Risk

Gwyntoedd nerth storom

No Risk

Tymhestloedd

Low

Winds may gust to 50mph at times over highest ridges and peaks this afternoon.

Effaith oeri difrifol

No Risk

Niwl hirbarhaol ac eang dros y bryniau

High

Hill fog above 300 metres, lifting above 700 metres through this afternoon across the south.

Stormydd o daranau

No Risk

Glaw trwm di-baid

Medium

Risk of heavy and persistent rain this morning.

Crynodeb a thebygolrwydd gwlybaniaeth Dydd Sadwrn
O'r Wawr hyd 0900	0900 hyd 1200	1200 hyd 1500	1500 hyd Machlud
Heavy Rain	Heavy Rain	Light rain	Light rain
70%	80%	80%	60%

Crynodeb a thebygolrwydd gwlybaniaeth Dydd Sadwrn

O'r Wawr hyd 0900

0900 hyd 1200

1200 hyd 1500

1500 hyd Machlud

Heavy Rain

Light rain

70%

80%

60%

Rhagolygon y tywydd manwl ar gyfer y mynyddoedd: Eryri

Dydd Sadwrn
Dydd Sul
Rhagolygon

Dydd Sadwrn

Tywydd

Overcast with extensive hill fog, and spells of rain and drizzle this morning which are likely to become heavy and persistent at times. This afternoon as the wind becomes northerly so the cloud bases will lift, especially across the south of the Park. Late afternoon dry conditions may arrive across the far northwest of Snowdonia.

Gwelededd

Moderate or good, occasionally poor with rain and drizzle, and very poor with hill fog.

Niwl dros y bryniau

Extensive hill fog above 300 metres will persist throughout this morning. This afternoon it will lift to around 400 metres, and probably above 700 metres across the more sheltered south of the Park.

Gwyntoedd uchaf uwch ben 500m

Southwesterly 20-25 mph becoming northerly 30-35 mph gusting 45-50 mph this afternoon.

Tymheredd

Dyffrynnoedd	Plus 10 Celsius.
900 m	Plus 6 Celsius at first, falling to plus 2 Celsius in the afternoon.
Lefel rhewi	Above summits.

Dydd Sul

Tywydd

Dry throughout. Starting with a few fog patches in the valleys, but these will clear by mid morning as patches of hill fog also disperse. Then fine and bright through the rest of the day with cloud above the summits.

Gwelededd

Good or very good, after starting locally very poor with low level fog and also hill fog.

Niwl dros y bryniau

Occasional patches around 200 metres at first, mainly across the west of the Park, clearing by mid morning. Then nil.

Gwyntoedd uchaf uwch ben 500m

Westerly 10-15 mph becoming southwesterly 30-40mph with gusts to 50 mph.

Tymheredd

Dyffrynnoedd	Plus 5 Celsius increasing to plus 7 Celsius.
900 m	Plus 2 Celsius
Lefel rhewi	Above summits.

Rhagolygon

Dydd Llun

Remaining unsettled with strong winds gusting to around gale force at times. Rain is likely to be heavy and persistent and there is likely to be extensive hill fog. The freezing level may just touch the summits at some point during the day.

Dydd Mawrth

A respite from the unsettled weather likely on Tuesday, with clear and dry conditions expected. It will be rather windy at first with a risk of gale force gusts around the summits, but should become calmer during the day. The freezing level should remain around the summits.

Dydd Mercher

A return to the wet and windy weather on Wednesday, with occasional rain spreading from the west, possibly becoming heavier and more persistent by the end of the day. It will become windy too with gales likely around the summits.