Sea Area Forecast

Forecast valid from: 00:00, Sunday 25 May 2025 until 00:00, Monday 26 May 2025

Small Craft Warning

Westerly winds will reach force 6 or higher at times on all Irish coasts tonight (Saturday night) and tomorrow (Sunday).

Gale Warning

Nil

Atlantic Swell

At times on Atlantic coasts Sunday night.

Meteorological Situation at 21:00 UTC

A complex area of low pressure to the northwest with a developing secondary depression of 991hPa, centred approximately 270 nautical miles north of Erris Head generates a fresh to near gale force southwest to west airflow over Ireland with showery troughs tracking eastwards over the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Carnsore Point to Loop Head to Fair Head

Wind: Westerly force 6 or 7 and gusty. Soon becoming mainly force 6 and gusty, reaching force 7 at times.

Weather: Cloudy to fair with scattered showers, some heavy with a chance of thunderstorms in the northwest.

Visibility: Reducing moderate or poor in showers.

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

Wind: Westerly mainly force 5 or 6 and gusty imminent, occasionally force 7.

Weather: Cloudy to fair with scattered showers, some heavy with a chance of thunderstorms in the northwest.

Visibility: Reducing moderate or poor in showers.

Outlook for a further 24 hours until 00:00, Tuesday 27 May 2025

Fresh to strong, occasionally near gale westerly winds. Decreasing light to moderate cyclonic variable in the north for a time during Monday afternoon and evening. Elsewhere southwest to west winds will increase strong to near gale force. Winds in all sea areas will become fresh to strong westerly Monday night. Weather: Turning cloudy from the west Monday morning with outbreaks of rain tracking eastwards, clearing to showers Monday evening.

Forecast issued at: 00:00, Sunday 25 May 2025

All times are local unless specified