Sea Area Forecast

Forecast valid from: 13:00, Thursday 25 June 2026 until 12:00, Friday 26 June 2026

Small Craft Warning

North to northeast winds will reach force 6 at times this evening, tonight and tomorrow morning on Irish coasts from Valentia to Erris Head to Fair Head.

Gale Warning

nil

Meteorological Situation at 09:00 UTC

Ireland lies in a predominantly moderate to fresh northeasterly airflow with anticyclones of 1025hPa and 1027hPa are centred over the North Sea and the mid-Atlantic respectively, with depressions of 1008hPa and 994hPa centred over the Bay and Biscay and north of Iceland, respectively. A warm front lies to the northwest of the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Valentia to Erris Head to Fair Head

Wind: Imminent increasing north to northeast force 4 to 6 north of Slyne Head but northerly or variable force 2 to 4 south of Slyne Head. Soon becoming north to northeast force 4 to 6 everywhere.

Weather: Cloudy to fair with scattered showers, some of which could be torrential with severe thunderstorms possible.

Visibility: Reducing moderate or poor precipitation.

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

Wind: Easterly or variable force 3 to 5. Later increasing southeasterly force 4 to 6 in the north Irish Sea but north to northwest force 3 to 5 elsewhere.

Weather: Cloudy to fair with some showers, some of which could be heavy and thundery.

Visibility: Reducing moderate or poor in precipitation.

Forecast for Howth Head to Carnsore Point to Valentia and for the South Irish Sea

Wind: Easterly force 3 to 5. Imminent decreasing east to northeast force 2 to 4. Soon becoming variable force 2 to 4. Later becoming south to southwest force 3 to 5.

Weather: Cloudy to fair with some showers, some of which could be heavy and thundery

Visibility: Reducing moderate or poor in precipitation.

Outlook for a further 24 hours until 12:00, Saturday 27 June 2026

Moderate to strong north to northeast winds in the west and north will gradually veer south to southwest through Friday. Moderate to strong south to southwest winds elsewhere. Weather: Cloudy to fair with scattered showers, some of which will be heavy with thunderstorm activity. Some mist and fog patches too.

Forecast issued at: 13:00, Thursday 25 June 2026

All times are local unless specified