Sea Area Forecast

Forecast valid from: 17:30, Wednesday 29 April 2026 until 18:00, Thursday 30 April 2026

Small Craft Warning

East to northeast winds will reach force 6 this evening and tonight on Irish coasts from Belfast Lough to Carnsore Point to Valentia.

Gale Warning

Nil

Meteorological Situation at 15:00 UTC

Ireland lies in a moderate to strong northeast airflow with high pressure of 1033hPa centred over the North Sea. A shallow depression will approach the country from the south tonight.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Belfast Lough to Carnsore Point to Valentia and for the Irish Sea

Wind: East to northeast force 5 or 6, soon occasionally reaching force 7. Later becoming east to southeast force 3 to 5.

Weather: Fine or fair, becoming cloudy to fair imminent. Rain in southern areas soon, heavy at times with the chance of thunderstorms.

Visibility: Good, decreasing moderate or poor in precipitation.

Forecast for Valentia to Rossan Point to Belfast Lough

Wind: East to northeast force 4 or 5 imminent, later decreasing easterly force 3 or 4.

Weather: Fine or fair. Soon becoming cloudy to fair with rain later, heavy at times. Remaining fair in the north.

Visibility: Good, decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 18:00, Friday 01 May 2026

Light to moderate easterly winds, occasionally increasing fresh. Winds veering southerly on Friday. Weather: Mostly cloudy with outbreaks of rain. Becoming cloudy to fair on Friday with scattered showers. Mist and fog patches.

Forecast issued at: 17:30, Wednesday 29 April 2026

All times are local unless specified