Sea Area Forecast
Forecast valid from: 11:30, Friday 11 September 2026 until 12:00, Saturday 12 September 2026
Small Craft Warning
South to southwest winds will reach force 6 or higher this evening (Friday) on Irish coasts from Mizen Head to Slyne Head to Fair Head, extending to all coasts tonight and tomorrow (Saturday).
Gale Warning
South to southwest winds will reach gale force at times tonight (Friday night) on Irish coastal waters from Loop Head to Rossan Point to Malin Head.
Meteorological Situation at 09:00 UTC
Ireland lies in a light to moderate anticyclonic airflow, as an anticyclone of 1026hPa centred northwest of Iberia extends a ridge over the country. A depression will pass to the northwest of Ireland tonight, generating a strong to gale force southwesterly airflow over the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Fair Head
Wind: Southwest to west force 2 to 4. South to southwest force 4 or 5 imminent. Increasing force 6 to gale force 8 soon. Veering southwest to west force 4 to 6 later.
Weather: Cloudy or fair with isolated showers and mist. Rain soon, heavy at times with thunderstorms possible. Cloudy with patchy light rain or drizzle towards the end of the period.
Visibility: Mostly good, decreasing moderate in showers or mist. Decreasing moderate or poor soon.
Forecast for Fair Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: West to northwest force 3 or 4. South to southwest or variable force 2 to 4 imminent. Soon increasing south to southwest force 4 or 5. Later increasing force 5 to 7.
Weather: Cloudy or fair with isolated showers. Rain later, heavy at times with thunderstorms possible.
Visibility: Good. Decreasing moderate or poor later in precipitation.
Outlook for a further 24 hours until 12:00, Sunday 13 September 2026
Fresh to near gale force southwest winds, decreasing moderate to fresh on Saturday afternoon and becoming light and variable in the northwest. Light and variable winds gradually extending to all areas by the end of the period. Weather: Cloudy with rain in the south and southeast, with scattered showers elsewhere. Cloudy to fair with isolated showers later.
Forecast issued at: 11:30, Friday 11 September 2026
All times are local unless specified
