Sea Area Forecast
Forecast valid from: 18:00, Tuesday 01 September 2026 until 18:00, Wednesday 02 September 2026
Small Craft Warning
1. Southerly winds will reach force 6 at times overnight Tuesday and early Wednesday on Irish coasts from Carnsore Point to Roches Point to Loop Head, extending to Carlingford Lough during Wednesday morning.
2. Southwesterly winds will reach force 6 at times between Wicklow Head to Valentia to Malin Head on Wednesday.
Gale Warning
Nil
Meteorological Situation at 15:00 UTC
Ireland lies in a mostly moderate to fresh southwesterly airflow between a shallow depression of 996hPa centred east of Iceland and a weak ridge to the south of Ireland. A large depression in the North Atlantic will steer in an associated cut-off low from the southwest overnight. Its associated fronts will clear into the Irish Sea early Wednesday.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Erris Head to Malin Head to Belfast Lough
Wind: Southwesterly force 3 to 5, decreasing southwesterly or variable force 2 to 4 imminent. Later becoming southerly and increasing force 4 or 5.
Weather: Cloudy with scattered showers, some heavy. Cloudy with outbreaks of light rain and drizzle later, some mist and fog too.
Visibility: Decreasing moderate or poor in precipitation, mist and fog.
Forecast for Belfast Lough to Wicklow Head to Roches Point and for the Irish Sea
Wind: Southwesterly force 3 to 5. Soon becoming southerly and increasing force 4 to 6. Later becoming southwesterly.
Weather: Cloudy with well scattered showers. Outbreaks of rain and drizzle soon, some mist and fog too. Isolated drizzle later.
Visibility: Decreasing moderate or poor in precipitation, mist and fog.
Forecast for Roches Point to Valentia to Erris Head
Wind: Increasing southeasterly force 4 to 6 imminent. Soon decreasing southwesterly force 4 or 5 and later occasionally reaching force 6.
Weather: Cloudy with outbreaks of rain and drizzle, heavy at times with some mist and fog too. Cloudy to fair later with isolated drizzle.
Visibility: Decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 18:00, Thursday 03 September 2026
Moderate to fresh, occasionally strong, south to southwest winds for all sea areas, increasing fresh to strong in the northwest Thursday. Weather: Cloudy with drizzle, mist and fog. Becoming cloudy to fair with isolated showers Thursday morning.
Forecast issued at: 18:00, Tuesday 01 September 2026
All times are local unless specified
