Sea Area Forecast

Forecast valid from: 23:30, Friday 21 August 2026 until 00:00, Sunday 23 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

Ireland lies in a moderate to fresh northerly airflow between an anticyclone of 1030hPa centred in the mid-Atlantic and a depression of 1004hPa centred over Scandinavia.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Fair Head to Wicklow Head to Valentia and for the Irish Sea

Wind: Northerly force 4 or 5, soon becoming force 3 to 5. Later becoming north to northeast force 2 to 4.

Weather: Fair with isolated showers possible.

Visibility: Mainly good.

Forecast for Valentia to Erris Head to Fair Head

Wind: North to northeast force 3 or 4 imminent, soon becoming northerly or variable force 2 to 4.

Weather: Cloudy to fair with isolated showers possible.

Visibility: Mainly good.

Outlook for a further 24 hours until 00:00, Monday 24 August 2026

Light to moderate anticyclonic variable winds. Weather: Cloudy to fair. Isolated mist and fog possible.

Forecast issued at: 23:30, Friday 21 August 2026

All times are local unless specified