Sea Area Forecast

Forecast valid from: 00:00, Monday 11 May 2026 until 00:00, Tuesday 12 May 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

A mostly moderate to fresh north or northwest airflow covers Ireland, generated by an anticyclone of 1036hPa, centred in the mid-Atlantic and a depression of 1004hPa, centred to the east of Scotland. An associated weak front lies to the north of the country.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Valentia to Erris Head to Fair Head

Wind: North or northwest force 4 or 5. Soon decreasing northerly or variable force 2 to 4, slackest in the north and northwest. Later increasing west or northwest force 4 or 5.

Weather: Mainly cloudy with patchy light rain and drizzle tracking southwards. Isolated mist patches. Cloudy to fair soon. Cloudy later with light rain in the northwest.

Visibility: Mostly good, decreasing moderate or poor in precipitation and mist.

Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea

Wind: North or northwest force 4 or 5 imminent, occasionally force 6. Soon decreasing northerly or variable force 3 to 5. Later decreasing westerly or variable force 2 to 4.

Weather: Cloudy to fair with patchy light rain and drizzle tracking southwards. Mainly fair soon.

Visibility: Mostly good, decreasing moderate or poor in precipitation.

Forecast for Carnsore Point to Roches Point to Valentia

Wind: North or northwest mainly force 4 or 5. Soon decreasing force 3 or 4. Later increasing northwesterly or variable force 3 to 5.

Weather: Cloudy to fair with isolated patches of light rain and drizzle. Mostly fair later.

Visibility: Mostly good, decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 00:00, Wednesday 13 May 2026

Mostly moderate to fresh west or northwest winds, increasing strong at times. Winds will strengthen from the northwest from Tuesday afternoon, steadily increasing strong to near gale force in all areas through the rest of Tuesday and Tuesday night. Weather: Patchy rain and drizzle tracking southeastwards Monday night and Tuesday morning. Becoming cloudy to fair with showers in the north, extending southwards later Tuesday.

Forecast issued at: 00:00, Monday 11 May 2026

All times are local unless specified