Sea Area Forecast

Forecast valid from: 12:00, Wednesday 26 November 2025 until 12:00, Thursday 27 November 2025

Small Craft Warning

1. South to southwest winds will increase to force 6 or higher this morning (Wednesday) and for a short time early this afternoon, on Irish coasts from Erris Head to Howth Head to Mizen Head. 2. South to southwest winds will increase to force 6 or higher this evening (Wednesday) and early tonight on Irish coasts from Mizen Head to Slyne Head to Malin Head, extending to all Irish coasts overnight.

Gale Warning

Meteorological Situation at 09:00 UTC

Ireland lies in a moderate to strong southerly airflow, with high pressure of 1031hPa to the west of Iberia, and low pressure of 991hPa to the northwest of Ireland. Associated fronts will continue to move eastwards over Ireland today.

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Valentia to Rossan Point to Fair Head

Wind: Southwest force 4 or 5. Soon increasing force 5 or 6, and occasionally near gale force 7. Later increasing force 6 or 7, and occasionally gale force 8.

Weather: Cloudy with rain and drizzle. More persistent rain from the west later. Mist and fog patches at times too.

Visibility: Moderate or poor in all precipitation, mist and fog.

Forecast for Irish coastal waters from Fair Head to Carnsore Point to Valentia and for the Irish Sea

Wind: Southerly force 5 or 6, and near gale force 7. Veering westerly force 4 or 5 and occasionally force 6 imminent. Soon increasing southwesterly force 5 or 6, and further increasing force 6 or 7 by the end of the period.

Weather: Cloudy with rain and drizzle. Mist and fog patches at times too.

Visibility: Moderate or poor in all precipitation, mist and fog.

Outlook for a further 24 hours until 12:00, Friday 28 November 2025

Strong to near gale force southwesterly winds will increase gale to strong gale force and gusty in the west and northwest Thursday. Southwesterly winds will gradually start to ease moderate to strong on Friday, staying gale force strength for a time on the west Atlantic coasts. Weather: Cloudy with rain and drizzle. Becoming cloudy to fair later Thursday with scattered showers, heavy at times.

Forecast issued at: 12:00, Wednesday 26 November 2025

All times are local unless specified