Sea Area Forecast

Forecast valid from: 06:00, Tuesday 04 November 2025 until 06:00, Wednesday 05 November 2025

Small Craft Warning

1. South to southwest winds will reach force 6 or higher at times this afternoon (Tuesday) on Irish coasts from Strangford Lough to Howth Head to Carnsore Point 2. North to northeast winds will reach force 6 at times on Irish coasts from Slyne Head to Erris Head to Bloody Foreland tomorrow morning (Wednesday).

Gale Warning

Nil

Atlantic Swell

On southwestern, western and northwestern coasts.

Meteorological Situation at 03:00 UTC

A depression of 969hPa southeast 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. Imminently decreasing force 4 to 6. Soon decreasing southerly force 3 to 5, occasionally force 6 on the Irish Sea. Later backing southeast to south and increasing force 4 to 6.

Weather: Cloudy with outbreaks of rain, heavy at times. 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: Southerly force 3 to 5. Soon becoming variable force 2 to 4. Later becoming northeast to east force 2 to 4.

Weather: Cloudy or fair with outbreaks of rain, heavy at times. 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: South to southwest force 4 to 6 and gusty. Soon becoming variable force 2 to 4. Later becoming northeast force 4 or 5.

Weather: Cloudy or fair with showers, heavy at times. 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 06:00, Thursday 06 November 2025

Moderate to fresh, occasionally strong, southeast to south winds in the east and south. Fresh to strong northeasterly winds in the west and north, decreasing light to moderate variable for a time before becoming moderate to fresh cyclonic. Weather: Cloudy with outbreaks of rain and areas of mist and fog.

Forecast issued at: 06:00, Tuesday 04 November 2025

All times are local unless specified