Sea Area Forecast
Forecast valid from: 00:00, Thursday 27 August 2026 until 00:00, Friday 28 August 2026
Small Craft Warning
Northeast to east winds will reach force 6 tonight (Wednesday night) and tomorrow morning on Irish coasts from Dungarvan to Mizen Head to Loop Head.
Gale Warning
nil
Meteorological Situation at 21:00 UTC
A depression of 1002hPa centred approximately 230 nautical miles southwest of Mizen Head generates a mostly moderate easterly airflow over Ireland. Associated fronts will move up from the south tomorrow.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Howth Head to Hook Head to Mizen Head and for the South Irish Sea
Wind: East to northeast force 4 to 6. Later decreasing south to southwest or variable force 2 to 4.
Weather: Cloudy to fair with isolated showers. Becoming cloudy soon with outbreaks of rain, heavy at times with a chance of thunderstorms.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: East to northeast force 3 or 4, occasionally force 5. Soon reaching force 6 for a time between Mizen Head and Loop Head. Later backing northerly.
Weather: Cloudy to fair with scattered showers, heavy at times with thunderstorms possible. Patches of mist and fog also.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Forecast for Malin Head to Strangford Lough to Howth Head and for the North Irish Sea
Wind: East to northeast force 4 or 5, occasionally force 6. Later decreasing northeasterly or variable force 3 or 4, occasionally force 5.
Weather: Cloudy to fair with isolated showers, possibly heavy with thunder. Becoming cloudy soon with outbreaks of rain, heavy at times with a chance of thunderstorms. Patches of mist and fog also.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 00:00, Saturday 29 August 2026
Light to moderate, occasionally fresh, cyclonic variable winds. Becoming northwest to west winds on Friday morning, and increasing strong at times in the south on Friday evening. Weather: Cloudy to fair with outbreaks of rain in the south and east, clearing to showers on Friday morning. Rain extending from the southwest on Friday evening.
Forecast issued at: 00:00, Thursday 27 August 2026
All times are local unless specified
