Sea Area Forecast
Forecast valid from: 00:00, Tuesday 02 December 2025 until 00:00, Wednesday 03 December 2025
Small Craft Warning
Southwest winds will reach force 6 at times this evening (Monday) on Irish coasts from Strangford Lough to Roches Point to Bloody Foreland, extending to all Irish coasts tonight and tomorrow (Tuesday).
Gale Warning
Nil
Atlantic Swell
Yes
Meteorological Situation at 21:00 UTC
Low pressure of 966hPa centered to the northwest of Ireland extends a mostly fresh to strong west to southwest airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Mizen Head to Rossan Point to Belfast Lough
Wind: Westerly force 5 or 6, and occasionally force 7. Soon backing southwest force 4 to 6. Later veering westerly force 5 or 6, and occasionally force 7.
Weather: Mostly cloudy with scattered showers, some heavy with hail and thunder possible.
Visibility: Good, decreasing moderate or poor in all precipitation.
Forecast for Irish coastal waters from Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Westerly force 5 or 6. Soon decreasing southwesterly force 4 or 5, and occasionally force 6.
Weather: Mostly fair with isolated showers, some heavy with hail and thunder possible.
Visibility: Good, decreasing moderate or poor in all precipitation.
Outlook for a further 24 hours until 00:00, Thursday 04 December 2025
Fresh to strong west to southwest winds will gradually moderate to fresh on Wednesday. Backing southerly on Wednesday evening and increasing strong to near gale force at times overnight. Weather: Fair to cloudy with scattered showers, heavy at times with a chance of hail and thunder. Outbreaks of rain and drizzle spreading from the southwest later Wednesday afternoon.
Forecast issued at: 00:00, Tuesday 02 December 2025
All times are local unless specified
