Sea Area Forecast

Forecast valid from: 11:00, Saturday 26 September 2026 until 12:00, Sunday 27 September 2026

Small Craft Warning

1. South or southwest winds will reach force 6 or higher at times today (Saturday) on Irish coasts from Valentia to Fair Head to Carnsore Point.

2. Southerly winds, veering westerly, will reach force 6 or higher tonight (Saturday night) on all Irish coasts.

Gale Warning

Southeast to south or cyclonic variable winds will reach gale force 8 at times tomorrow morning (Sunday) on Irish coastal waters from Fair Head to Wicklow Head to Mizen Head and on the Irish Sea.

Meteorological Situation at 09:00 UTC

Ireland lies in a fresh to strong southwesterly airflow, generated by a complex steering depression of 983hPa centred off the north coast of Iceland.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Wicklow Head to Hook Head to Valentia and for the South Irish Sea

Wind: Southwesterly force 4 or 5. Later backing southeasterly force 6 or 7, reaching gale force 8 at times. Veering westerly by the end of the period.

Weather: Cloudy or fair with well scattered showers. Cloudy later with heavy rain and possible thunderstorms.

Visibility: Mostly good at first. Decreasing moderate or poor in precipitation.

Forecast for Valentia to Erris Head to Fair Head

Wind: South to southwest force 5 or 6, reaching force 7 at times. Soon increasing force 6 or 7. Later decreasing westerly force 4 to 6.

Weather: Cloudy or fair with well scattered showers. Cloudy later with heavy rain and possible thunderstorms.

Visibility: Mostly good at first. Decreasing moderate or poor in precipitation.

Forecast for Fair Head to Strangford Lough to Wicklow Head and for the North Irish Sea

Wind: Increasing southerly force 5 or 6 imminent. Later backing southeasterly force 6 or 7, reaching gale force 8 at times.

Weather: Cloudy or fair with well scattered showers. Cloudy later with heavy rain.

Visibility: Mostly good at first. Decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 12:00, Monday 28 September 2026

Strong to gale force southerly winds in the east, moderate to strong westerly winds elsewhere. Decreasing moderate to fresh, occasionally strong, westerly winds in all areas on Sunday evening. Backing southwesterly on Sunday night and decreasing light to moderate in the south and east. Weather: Rain and possible thunderstorms in the east. Becoming mostly fair with isolated showers.

Forecast issued at: 11:00, Saturday 26 September 2026

All times are local unless specified