Sea Area Forecast
Forecast valid from: 18:00, Monday 11 May 2026 until 18:00, Tuesday 12 May 2026
Small Craft Warning
1. Northwesterly winds will reach force 6 at times tonight (Monday night) and tomorrow morning (Tuesday) on Irish coasts from Slyne Head to Malin Head to Belfast Lough. 2. Westerly winds will reach force 6 at times tomorrow afternoon (Tuesday) on Irish coasts from Loop Head to Rossan Point to Fair Head and between Roches Point and Mizen Head.
Gale Warning
nil
Meteorological Situation at 15:00 UTC
An anticyclone of 1036hPa centred over the mid-Atlantic extends a weak ridge of high pressure over Ireland. A weak cold front clears the south of the country, while further fronts approach the northwest of the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Valentia to Erris Head to Fair Head
Wind: Imminent increasing west to northwest force 4 or 5. Soon increasing northwesterly force 5 or 6. Backing westerly by the end of the period.
Weather: Cloudy to fair with some patchy outbreaks of rain or drizzle.
Visibility: Mostly good, reducing moderate in precipitation.
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Northwesterly or variable force 2 to 4. Soon increasing westerly force 4 or 5. Later veering northwesterly and reaching force 6 at times north of Howth Head. Decreasing westerly force 3 to 5 by the end of the period.
Weather: Cloudy to fair with some patchy outbreaks of rain or drizzle.
Visibility: Mostly good, reducing moderate in precipitation.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Northwesterly force 2 to 4. Soon increasing force 3 or 4. Later increasing force 4 or 5 and reaching force 6 between Roches Point and Mizen Head by the end of the period.
Weather: Cloudy to fair with some patchy outbreaks of rain or drizzle.
Visibility: Mostly good, reducing moderate in precipitation.
Outlook for a further 24 hours until 18:00, Wednesday 13 May 2026
West to northwest winds will increase fresh to strong in the east and south on Tuesday night and strong to near gale force in the west and north. Weather: Cloudy to fair with scattered showers.
Forecast issued at: 18:00, Monday 11 May 2026
All times are local unless specified
