Sea Area Forecast
Forecast valid from: 11:30, Monday 21 September 2026 until 12:00, Tuesday 22 September 2026
Small Craft Warning
South to southwest winds will reach force 6 at times tonight on Irish coasts from Erris Head to Rossan Point to Malin Head.
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
Ireland lies in a moderate to fresh southwest airflow between an anticyclone of 1034hPa centred near northwest France and a depression of 981hPa centred between Iceland and Greenland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Fair Head
Wind: South to southwest force 4 or 5, reaching force 6 in the northwest. Later becoming southerly or variable force 2 to 4.
Weather: Cloudy with patches of drizzle, mist and fog. Outbreaks of rain and drizzle later.
Visibility: Moderate or poor in precipitation, mist and fog. Otherwise good.
Forecast for Fair Head to Howth Head to Mizen Head and for the Irish Sea
Wind: South to southwest force 2 to 4.
Weather: Mainly cloudy with patches of drizzle, mist and fog.
Visibility: Moderate or poor in precipitation, mist and fog. Otherwise good.
Outlook for a further 24 hours until 12:00, Wednesday 23 September 2026
Light to moderate southerly or variable winds, gradually becoming moderate to fresh northwesterly on Wednesday morning. Weather: Cloudy with outbreaks of rain and drizzle, possibly heavy at times. Becoming cloudy to fair on Wednesday.
Forecast issued at: 11:30, Monday 21 September 2026
All times are local unless specified
