Sea Area Forecast
Forecast valid from: 18:00, Monday 20 July 2026 until 18:00, Tuesday 21 July 2026
Small Craft Warning
Northwesterly winds will reach force 6 on Tuesday afternoon on Irish coasts from Fair Head to Belfast Lough to Carlingford Lough.
Gale Warning
nil
Meteorological Situation at 15:00 UTC
An anticyclone of 1039hPa centred in the mid North Atlantic 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 4 or 5. Soon decreasing force 3 to 5. Later increasing force 4 to 6.
Weather: Mostly cloudy in the north and northwest with patchy drizzle and mist. Fair to cloudy elsewhere.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Forecast for Carlingford Lough to Carnsore Point to Mizen Head
Wind: Northerly or variable force 2 to 4. Soon increasing northerly force 3 or 4, occasionally force 5. Gradually decreasing variable force 2 or 3, occasionally force 4 later.
Weather: Fair to cloudy with occasional mist.
Visibility: Reducing moderate or poor in mist, otherwise good.
Outlook for a further 24 hours until 18:00, Wednesday 22 July 2026
Mostly moderate to fresh northerly winds through the period, but increasing strong in the northeast and occasionally strong in the west and southwest Tuesday evening and Tuesday night. Winds also decreasing light and variable at times in the south and southeast Tuesday evening and Wednesday afternoon. Weather: Mostly cloudy in the north and northwest with some light drizzle possible. Cloudy to fair elsewhere.
Forecast issued at: 18:00, Monday 20 July 2026
All times are local unless specified
