Sea Area Forecast
Forecast valid from: 17:30, Friday 25 September 2026 until 18:00, Saturday 26 September 2026
Small Craft Warning
1. Southwest winds will reach force 6 or higher today (Friday) and tomorrow on Irish coasts from Valentia to Erris Head to Fair Head. 2. South to southwest winds will reach force 6 at times tomorrow (Saturday) on Irish coasts from Fair Head to Carlingford Lough to Carnsore Point.
Gale Warning
Nil.
Atlantic Swell
On Atlantic coasts on Friday evening.
Meteorological Situation at 15:00 UTC
Ireland lies in a fresh to strong southwesterly airflow, generated by low pressure of 973hPa centred over Iceland. Showery troughs approach from the Atlantic.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Valentia to Erris Head to Malin Head
Wind: Southwest force 5 to 7 and gusty, possibly touching gale force 8 at times. Soon decreasing force 5 or 6. Later increasing south to southwest force 5 to 7 and gusty.
Weather: Cloudy or fair with scattered showers. Isolated thunderstorms possible in the west and north this evening and tonight.
Visibility: Mostly good. Decreasing moderate or poor in showers.
Forecast for Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: South to southwest force 4 or 5. Imminently increasing force 4 to 6, occasionally force 7 west of Fair Head.
Weather: Cloudy or fair with isolated showers. Isolated thunderstorms possible in the north this evening and tonight.
Visibility: Mostly good. Decreasing moderate or poor in showers.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Southwest force 4 or 5. Later backing south.
Weather: Cloudy or fair with isolated showers.
Visibility: Mostly good. Decreasing moderate or poor in showers.
Outlook for a further 24 hours until 18:00, Sunday 27 September 2026
Strong to near gale force southerly winds in the west and north, moderate to strong elsewhere. Strong to near gale force southerly winds extending to all areas on Saturday night and Sunday morning, increasing to gale force at times. Winds gradually veering moderate to strong westerly during Sunday. Weather: Cloudy or fair with scattered showers. Heavy rain and thunderstorms developing on Saturday night and Sunday morning, clearing to showers during Sunday.
Forecast issued at: 17:30, Friday 25 September 2026
All times are local unless specified
