Sea Area Forecast
Forecast valid from: 06:00, Friday 25 September 2026 until 06:00, Saturday 26 September 2026
Small Craft Warning
1. Southwest winds will reach force 6 or higher on Irish coastal waters from Slyne Head to Rossan Point to Malin Head this morning (Friday morning).
2. Southwest winds will reach force 6 or higher at times this afternoon and evening (Friday afternoon) on Irish coastal waters from Valentia to Rossan Point to Howth Head.
Gale Warning
Nil
Atlantic Swell
On north, west, and southwest coasts until Friday evening.
Meteorological Situation at 03:00 UTC
Ireland lies in a moderate to fresh west to southwest airflow generated by a depression of 966hPa centred over Iceland. Associated fronts will track eastwards across the country this morning.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Valentia to Erris Head to Fair Head
Wind: Westerly force 4 to 6. Easing force 4 or 5 and occasionally force 6 imminent. Soon backing southwest force 4 to 6, reaching force 7 between Slyne Head and Malin Haed. Later becoming west to southwest force 5 or 6.
Weather: Mostly fair, occasionally cloudy, with isolated showers becoming more scattered soon. Heavy at times with the chance of isolated thunderstorms.
Visibility: Good, reducing moderate or poor in precipitation.
Forecast for Fair Head to Hook Head to Valentia and for the Irish Sea
Wind: Westerly or variable force 2 to 4. Soon becoming west to southwest force 3 or 4. Increasing force 4 or 5 later. Increasing force 4 to 6 by the end of the period.
Weather: Cloudy to fair with isolated showers, heavy at times, with the chance of isolated thunderstorms.
Visibility: Good, reducing moderate or poor in precipitation.
Outlook for a further 24 hours until 06:00, Sunday 27 September 2026
Moderate to strong southwest winds, will reach near gale force strength at times on Saturday afternoon along west Atlantic coasts. Moderate to strong and gusty winds will veer southerly on Sunday morning and reach near gale force strength along west and south Atlantic coasts. Weather: Fair to cloudy with scattered showers. Rain developing later, heavy and persistent at times in the west and south. Slight chance of isolated thunderstorms.
Forecast issued at: 06:00, Friday 25 September 2026
All times are local unless specified
