Sea Area Forecast
Forecast valid from: 06:00, Thursday 03 September 2026 until 06:00, Friday 04 September 2026
Small Craft Warning
Southwest winds will reach force 6 or higher at times today on Irish coasts from Loop Head to Erris Head to Malin Head, and on Irish coasts from Wicklow Head to Roches Point to Valentia this evening.
Gale Warning
Nil
Atlantic Swell
Developing on west and north coasts early Friday morning.
Meteorological Situation at 03:00 UTC
A depression of 981hPa generates a moderate to fresh southwest airflow. Associated fronts within the flow will track over Ireland today.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Valentia to Erris Head to Fair Head
Wind: Southwest force 4 or 5, increasing force 5 or 6 imminent. Soon increasing southwest force 6 or 7.
Weather: Mostly fair, becoming fair to cloudy, with scattered showers. Rain developing soon, heavy and persistent at times. Mist patches developing soon.
Visibility: Reducing moderate or poor in precipitation and mist.
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: West to southwest force 4 to 6. Later increasing westerly force 5 or 6 and occasionally force 7.
Weather: Mostly fair, becoming fair to cloudy, with scattered showers. Rain developing soon, heavy and persistent at times. Mist patches also.
Visibility: Reducing moderate or poor in precipitation and mist.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: West to southwest force 4 or 5, and occasionally force 6. Later increasing west force 5 or 6.
Weather: Mostly fair, becoming fair to cloudy with isolated showers. Rain developing soon, heavy and persistent at times.
Visibility: Reducing moderate or poor in precipitation.
Outlook for a further 24 hours until 06:00, Saturday 05 September 2026
Moderate to strong westerly winds, increasing to near gale force at times along northwest, north and northeast coasts. Weather: Cloudy to fair with scattered showers.
Forecast issued at: 06:00, Thursday 03 September 2026
All times are local unless specified
