Sea Area Forecast
Forecast valid from: 11:00, Thursday 03 September 2026 until 12:00, Friday 04 September 2026
Small Craft Warning
Southwest winds will reach force 6 or higher at times this afternoon and evening on Irish coasts from Loop Head to Erris Head to Malin Head, and on Irish coasts from Wicklow Head to Roches Point to Valentia.
Southwest winds veering westerly will reach force 6 or higher at times tonight and tomorrow morning on all coasts.
Gale Warning
Westerly winds will reach gale force at times tonight and at first tomorrow on coasts from Erris Head to Malin Head to Fair Head.
Meteorological Situation at 09:00 UTC
A depression of 983hPa, south of Iceland, generates a moderate to fresh southwest airflow. Associated fronts within the flow will track over Ireland today, clearing southwards tonight, in a strengthening westerly airflow as the depression tracks north of Scotland.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Valentia to Erris Head to Fair Head
Wind: Southwest force 4 to 6. Increasing force 5 to 7 imminent, strongest in the northwest. Soon increasing force 6 or 7. Further increasing westerly force 6 to gale force 8, strongest in the north and northwest.
Weather: Rain imminent, heavy and persistent at times. Mist and fog patches. Rain becoming patchy soon. Cloudy to fair later with scattered showers.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: West to southwest force 4 or 5. Increasing force 4 to 6 imminent. to 6. Later increasing westerly force 5 or 6 and occasionally force 7.
Weather: Rain imminent and soon, heavy and persistent at times. Mist and fog patches. Cloudy to fair later with scattered showers.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Southwest force 5 or 6. Soon increasing west to southwest force 6 to 7 for a time in the south of the area. Otherwise soon becoming west to northwest force 3 or 4. Later increasing force 5 or 6.
Weather: Rain imminent and soon, heavy and persistent at times. Mist and fog patches. Cloudy later.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 12:00, Saturday 05 September 2026
Fresh to near gale force west to northwest winds , gradually easing moderate to fresh and backing west to southwest. Fresh or strong southeast winds developing in the southwest by the end of the period. Cloudy to fair with scattered showers. Rain developing nin the southwest later.
Forecast issued at: 11:00, Thursday 03 September 2026
All times are local unless specified
