Sea Area Forecast

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

Small Craft Warning

Southeasterly winds will reach force 6 at times today on Irish coasts from Wicklow Head to Roches Point to Loop Head.

Gale Warning

Nil

Atlantic Swell

Developing on southwestern coasts Monday night.

Meteorological Situation at 03:00 UTC

A broad complex depression of 984hPa, centred to the southwest of Ireland in the mid-Atlantic generates a mainly moderate south to southeast airflow over Ireland.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Howth Head to Dungarvan to Slyne Head and for the South Irish Sea

Wind: Southeast to east force 4 to 6. Soon decreasing southeasterly or cyclonic variable force 3 to 5. Later decreasing southerly force 3 or 4.

Weather: Cloudy with outbreaks of rain and drizzle. Mist and fog patches.

Visibility: Reducing moderate or poor in any precipitation, mist and fog.

Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea

Wind: Southeasterly force 3 or 4, occasionally force 5. Soon increasing easterly force 4 or 5. Later becoming southeasterly and reaching force 6 at times.

Weather: Cloudy with outbreaks of rain and drizzle. Mist and fog patches.

Visibility: Reducing moderate or poor in any precipitation, mist and fog.

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

Mostly moderate to fresh and occasionally strong southeasterly winds in northern sea areas. Light to moderate south to southwest winds in southerly sea areas increasing fresh to strong at times and becoming southwest to west Tuesday night. Weather: Cloudy with outbreaks of rain and drizzle. Mist and fog patches.

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

All times are local unless specified