Sea Area Forecast

Forecast valid from: 00:00, Tuesday 04 November 2025 until 00:00, Wednesday 05 November 2025

Small Craft Warning

South to southwest winds will reach force 6 or higher at times this morning (Tuesday) and afternoon on Irish coasts from Strangford Lough to Carnsore Point to Mizen Head.

Gale Warning

Nil

Atlantic Swell

On southwestern, western and northwestern coasts.

Meteorological Situation at 21:00 UTC

A depression of 966hPa south of Iceland generates a strong southwesterly air-flow over Ireland. Associated fronts move eastwards over the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

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

Wind: South to southwest force 5 to 7 and gusty, possibly touching gale force 8 at times on the Irish Sea. Soon decreasing force 4 to 6. Later decreasing force 3 to 5.

Weather: Cloudy with outbreaks of rain, heavy and persistent in the east and south. Mist and fog.

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

Forecast for Irish coastal waters from Mizen Head to Valentia to Slyne Head

Wind: Southwest force 4 or 5 and gusty. Imminently decreasing south to southwest force 3 to 5. Later becoming variable force 2 to 4.

Weather: Cloudy or fair with outbreaks of rain, mainly south of Valentia. Cloudy with showers later. Mist and fog.

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

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

Wind: Southwest force 6 or 7 and gusty. Imminently decreasing south to southwest force 4 to 6. Later becoming variable force 2 to 4.

Weather: Cloudy or fair with showers. Patches of mist and fog possible.

Visibility: Mainly good but decreasing moderate or poor in any precipitation, mist and fog.

Outlook for a further 24 hours until 00:00, Thursday 06 November 2025

Moderate to fresh, occasionally strong, southeast to south winds in the east and south. Mainly light to moderate variable winds elsewhere, but fresh to strong northeasterly winds will develop for a time in the northwest. Weather: Cloudy with outbreaks of rain and areas of mist and fog.

Forecast issued at: 00:00, Tuesday 04 November 2025

All times are local unless specified