Sea Area Forecast
Forecast valid from: 23:00, Saturday 29 August 2026 until 00:00, Monday 31 August 2026
Small Craft Warning
1. Southerly winds will reach force 6 at times on Sunday on Irish coasts from Howth Head to Roches Point to Slyne Head.
2. West to northwest winds will reach force 6 or higher at times on Sunday evening on Irish coasts from Carnsore Point to Loop Head to Rossan Point.
Gale Warning
Nil.
Meteorological Situation at 21:00 UTC
Ireland lies in a broad and complex area of low pressure with multiple centres. A depression of 999hPa centred approximately 340 nautical miles southwest of Valentia generates a light to moderate southwest airflow over Ireland. Winds will increase as the depression tracks close to our western coast with associated active fronts continuing to affect the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: West force 2 to 4. Soon backing southerly force 3 to 5, and occasionally force 6. Later decreasing cyclonic variable force 3 to 4, and occasionally force 5. Easing southwest force 3 or 4 by the end of the period.
Weather: Generally cloudy with showery spells of rain, heavy and persistent at times. Chance of isolated thunderstorms. Patches of mist too.
Visibility: Reducing moderate or poor in precipitation and mist.
Forecast for Carnsore Point to Roches Point to Loop Head
Wind: Southwest force 3 or 4, increasing force 4 or 5 and occasionally force 6 imminent. Soon veering southwest to west force 4 to 6. Later increasing west to northwest force 4 to 6, and occasionally force 7 between Roches Point and Loop Head.
Weather: Generally cloudy with showery spells of rain, heavy and persistent at times. Chance of isolated thunderstorms. Patches of mist too.
Visibility: Reducing moderate or poor in precipitation and mist.
Forecast for Loop Head to Erris Head to Malin Head
Wind: West to southwest force 2 to 4. Soon increasing southerly or cyclonic variable force 3 to 5 and occasionally force 6 between Loop Head and Slyne Head. Later decreasing north to northwest or cyclonic variable force 2 to 4. Increasing northwest force 5 or 6 between Loop Head and Rossan oPoint by the end of the period.
Weather: Cloudy, occasionally fair soon, with showery spells of rain, heavy and persistent at times. Chance of isolated thunderstorms. Patches of mist and fog too.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 00:00, Tuesday 01 September 2026
Fresh to strong northwest winds will gradually back west to southwest and ease moderate to fresh through to Monday night. Weather: Cloudy to fair with scattered showers, heavy and persistent at times.
Forecast issued at: 23:00, Saturday 29 August 2026
All times are local unless specified
