Sea Area Forecast
Forecast valid from: 00:00, Wednesday 22 July 2026 until 00:00, Thursday 23 July 2026
Small Craft Warning
Northwesterly winds will continue to reach force 6 at times overnight on Irish coasts from Fair Head to Belfast Lough to Carlingford Lough.
Gale Warning
nil.
Meteorological Situation at 21:00 UTC
An anticyclone of 1039hPa centred approximately 400 nautical miles to the west generates a mainly moderate to strong northerly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: North to northwest force 4 or 5, reaching force 6 for a time overnight north of Carlingford Lough and on North Irish Sea. Imminent decreasing force 3 to 5. Later becoming northerly. Occasionally touching force 6 locally north of Strangford Lough towards the end of the period.
Weather: Cloudy to fair.
Visibility: Mostly good.
Forecast for Carnsore Point to Dungarvan to Mizen Head
Wind: North to northeast force 4 or 5 imminent. Soon decreasing force 3 or 4. Later becoming variable force 2 to 4. Increasing northerly force 3 to 5 towards the end of the period.
Weather: Fair to cloudy.
Visibility: Mostly good.
Forecast for Mizen Head to Erris Head to Fair Head
Wind: Northerly force 4 or 5. Soon decreasing force 3 or 4, occasionally force 5.
Weather: Cloudy to fair with isolated drizzle in the north and northwest.
Visibility: Reducing moderate or poor in drizzle, otherwise good.
Outlook for a further 24 hours until 00:00, Friday 24 July 2026
Mostly moderate to fresh northerly winds, but mainly light to moderate in the northwest and decreasing light variable at times locally in the south on Thursday evening. Weather: Cloudy to fair with patchy drizzle, mainly in the north and west.
Forecast issued at: 00:00, Wednesday 22 July 2026
All times are local unless specified
