Sea Area Forecast
Forecast valid from: 06:00, Tuesday 21 July 2026 until 06:00, Wednesday 22 July 2026
Small Craft Warning
Northwesterly winds will reach force 6 this afternoon, evening and tonight on Irish coasts from Fair Head to Belfast Lough to Carlingford Lough.
Gale Warning
Nil
Meteorological Situation at 03:00 UTC
An anticyclone of 1039hPa, centred approximately 430 nautical miles west of Erris Head, extends a light to fresh northerly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Rossan Point to Carlingford Lough and for the Irish Sea
Wind: Northerly force 3 to 5. Soon increasing force 4 to 6.
Weather: Mostly cloudy in the north and northwest with patchy drizzle and mist. Cloudy to fair elsewhere.
Visibility: Good, decreasing moderate or poor in precipitation and mist.
Forecast for Carlingford Lough to Carnsore Point to Mizen Head
Wind: Northerly force 3 or 4, occasionally force 5. Soon decreasing northerly or variable force 2 to 4. Later gradually increasing north to northeast force 4 or 5.
Weather: Cloudy to fair with occasional mist.
Visibility: Good, decreasing moderate or poor in mist.
Outlook for a further 24 hours until 06:00, Thursday 23 July 2026
Mostly moderate to fresh northerly winds. Decreasing light to moderate, occasionally fresh, winds on Wednesday, but remaining moderate to fresh, occasionally strong, in the east. Weather: Mostly cloudy in the north and northwest with patchy drizzle and mist. Cloudy to fair elsewhere.
Forecast issued at: 06:00, Tuesday 21 July 2026
All times are local unless specified
