Sea Area Forecast
Forecast valid from: 18:00, Thursday 03 September 2026 until 18:00, 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 (Thursday) and at first tomorrow (Friday) on coasts from Erris Head to Malin Head to Fair Head.
Meteorological Situation at 15:00 UTC
A depression of 986hPa, south of Iceland, generates a fresh to strong southwest airflow. An associated front lies over Ireland and will clear southeastwards 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 5 to 7. Soon increasing westerly force 6 or 7 and increasing gale force 8 between Erris Head and Fair Head. Later decreasing force 5 to 7.
Weather: Rain clearing to scattered showers imminent.
Visibility: Reducing moderate or poor in precipitation, otherwise good.
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Southwesterly force 4 to 6. Later increasing westerly force 5 or 6 and occasionally force 7.
Weather: Rain, heavy and persistent at times. Mist and fog patches. Cloudy to fair soon with well scattered showers.
Visibility: Reducing moderate or poor in precipitation, mist and fog, otherwise good.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Southwest force 5 or 6. Increasing force 6 to 7 for a time in the south of the area while elsewhere decreasing northwest or variable force 2 to 4 imminent. Soon increasing westerly force 5 or 6. Later decreasing force 4 or 5.
Weather: Rain, heavy and persistent at times. Mist and fog patches. Cloudy to fair soon with isolated showers.
Visibility: Reducing moderate or poor in precipitation, mist and fog, otherwise good.
Outlook for a further 24 hours until 18:00, Saturday 05 September 2026
Mostly fresh to strong westerly winds, gradually easing light to moderate and backing southwesterly through Saturday morning. Fresh and occasionally strong southerly winds developing in the west and southwest through Sunday evening. Weather: Cloudy to fair with scattered showers. Rain spreading from the southwest Saturday.
Forecast issued at: 18:00, Thursday 03 September 2026
All times are local unless specified
