Sea Area Forecast
Forecast valid from: 00:00, Friday 08 August 2025 until 00:00, Saturday 09 August 2025
Small Craft Warning
West or southwest winds will reach force 6 or higher at times tonight on Irish coasts from Valentia to Erris Head to Belfast Lough. Southwest winds will reach force 6 or higher at times on Friday on coasts from Valentia to Erris Head to Carlingford Lough, and also on coasts from Howth Head to Carnsore point to Dungarvan.
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
A strengthening west to southwest airflow covers Ireland, between a depression of 981hPa to the southeast of Iceland, and an anticyclone of 1024hPa over central Europe. A cold front will approach from the northwest later..
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Valentia to Erris Head to Malin Head
Wind: West to southwest force 5 to 7 imminent, strongest in the north. Soon backing southwest, and later increasing force 6 or 7 and gusty.
Weather: Fair to cloudy with scattered showers. Patchy rain, drizzle and mist developing later.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Forecast for Irish coastal waters from Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: West to southwest force 4 to 6 and gusty. Backing south to southwest later.
Weather: Fair to cloudy with isolated showers.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Forecast for Irish coastal waters from Carnsore Point to Roches Point to Valentia
Wind: Westerly force 4 to 5. Later increasing west to southwest force 5, occasionally force 6.
Weather: Fair to cloudy with isolated showers.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Outlook for a further 24 hours until 00:00, Sunday 10 August 2025
Fresh to strong west to southwest winds, reaching near gale or gale force at times in the north and northwest. Winds veering westerly and easing later. Rain spreading southeastwards followed by scattered showers.
Forecast issued at: 00:00, Friday 08 August 2025
All times are local unless specified
