Sea Area Forecast

Forecast valid from: 06:00, Monday 09 March 2026 until 06:00, Tuesday 10 March 2026

Small Craft Warning

South or southwest winds will reach force 6 or higher late Monday afternoon and evening on Irish coasts from Roches Point to Slyne Head to Malin Head, extending to all Irish coasts Monday night.

Gale Warning

Nil.

Atlantic Swell

Developing on western and southwestern coasts Monday night.

Meteorological Situation at 03:00 UTC

Ireland lies in a mostly moderate or fresh southerly or cyclonic variable airflow generated by an anticyclone of 1036hPa centred over eastern Europe and a slow-moving frontal wave over the west and southwest of the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Loop Head to Erris Head to Malin Head

Wind: Increasing southwesterly force 4 or 5 imminent. Soon increasing south to southwest force 5 or 6. Later increasing force 7 at times before easing force 4 to 6 by the end of the period.

Weather: Cloudy with rain, drizzle and mist. Cloudy to fair imminent. Cloudy soon with rain later.

Visibility: Moderate or poor in precipitation and mist.

Forecast for Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea

Wind: Southerly force 3 or 4, occasionally force 5. Soon increasing south or southwest force 4 or 5. Later increasing force 4 to 6.

Weather: Mainly cloudy with patchy rain, drizzle and mist. Some fog patches. Fair for a time later.

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

Forecast for Carnsore Point to Roches Point to Loop Head

Wind: Cyclonic variable force 3 to 5. Soon increasing west or southwest force 4 to 6, strongest in the southwest. Later increasing southwesterly force 5 or 6, occasionally force 7.

Weather: Mainly cloudy with patchy rain, drizzle and mist. Becoming mainly cloudy to fair imminent. Cloudy later with rain.

Visibility: Moderate or poor in precipitation and mist.

Outlook for a further 24 hours until 06:00, Wednesday 11 March 2026

Moderate to strong south or southwest winds, increasing strong to near gale force Tuesday afternoon. Winds will veer westerly later Tuesday, possibly reaching gale force at times in the northwest. Weather: Mostly cloudy with rain and drizzle spreading from the west. Some mist and fog possible. Fair spells with scattered showers following later.

Forecast issued at: 06:00, Monday 09 March 2026

All times are local unless specified