Sea Area Forecast

Forecast valid from: 12:00, Friday 21 November 2025 until 12:00, Saturday 22 November 2025

Small Craft Warning

South to southwest winds will reach force 6 or higher for a time this evening on all Irish coasts, before becoming confined to Irish coasts from Malin Head to Howth Head to Mizen Head overnight.

Gale Warning

Meteorological Situation at 09:00 UTC

Ireland lies between an anticyclone of 1035hPa centred near the Azores which extends a ridge of high pressure over the country and a depression of 997hPa centred over Iceland which generates a strengthening southwesterly airflow over Ireland.

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Mizen Head to Erris Head to Fair Head

Wind: Southwest force 5 or 6, increasing force 7 at times. Soon veering west to northwest force 4 or 5. Later decreasing west force 3 or 4 and occasionally force 5.

Weather: Cloudy with rain and drizzle, heavy at times. Soon becoming fair with scattered showers.

Visibility: Moderate or poor in precipitation.

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

Wind: Increasing southwest force 5 or 6 imminent. Soon increasing force 6 or 7. Later veering northwest force 4 or 5, decreasing west to northwest force 3 or 4 by the end of the period.

Weather: Fair, becoming cloudy with rain and drizzle imminent. Later becoming fair with isolated showers.

Visibility: Good, decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 12:00, Sunday 23 November 2025

Moderate to fresh westerly winds, increasing strong to gale force westerly or cyclonic variable on Saturday night. Weather: Cloudy to fair with scattered showers. Rain developing Saturday afternoon, heavy at times later.

Forecast issued at: 12:00, Friday 21 November 2025

All times are local unless specified