Sea Area Forecast
Forecast valid from: 06:00, Tuesday 02 December 2025 until 06:00, 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 03:00 UTC
Low pressure of 969hPa centered approximately 300 nautical miles northwest of Rossan Point generates a mostly moderate to strong southwesterly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Valentia to Rossan Point to Fair Head
Wind: Southwest force 5 or 6, and occasionally force 7. Later veering west to northwest force 5 or 6.
Weather: Cloudy to fair with scattered showers, some heavy at times with hail and thunder possible.
Visibility: Reducing moderate or poor in precipitation, otherwise good.
Forecast for Irish coastal waters from Fair Head to Hook Head to Valentia and for the Irish Sea
Wind: Southwest force 4 or 5, occasionally force 6. Later veering westerly force 3 to 5 between Hook Head and Mizen Head.
Weather: Mostly fair with scattered showers, some heavy at times with hail and thunder possible. Becoming cloudy later.
Visibility: Reducing moderate or poor in precipitation, otherwise good.
Outlook for a further 24 hours until 06:00, Thursday 04 December 2025
Fresh to strong west to southwest winds will gradually ease moderate in the south and east. South to southwest winds will increase strong to near gale force and gusty in the southwest on Wednesday evening, extending to all coasts for a time overnight. Westerly winds will gradually ease moderate to fresh on Thursday. Weather: Cloudy with outbreaks of rain and drizzle. Scattered showers to follow.
Forecast issued at: 06:00, Tuesday 02 December 2025
All times are local unless specified
