Sea Area Forecast
Forecast valid from: 06:00, Monday 07 September 2026 until 06:00, Tuesday 08 September 2026
Small Craft Warning
Southwesterly winds will reach force 6 or higher at times today on all Irish coasts.
Gale Warning
Nil
Meteorological Situation at 03:00 UTC
Ireland lies in a moderate to strong southwest to west airflow generated by a depression of 975hPa centred to the southeast of Iceland and an anticyclone of 1026hPa centred to the west of Portugal in the Atlantic.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Rossan Point to Howth Head and for the North Irish Sea
Wind: Southwesterly force 4 to 6. Soon increasing force 5 to 7 and possibly touching gale force 8, between Rossan Point and Fair Head. Later veering westerly force 6 or 7.
Weather: Cloudy to fair with scattered showers, some heavy with the chance of an isolated thunderstorm.
Visibility: Reducing moderate or poor in precipitation.
Forecast for Howth Head to Carnsore Point to Mizen Head and for the South Irish Sea
Wind: Increasing southwesterly force 5 or 6 imminent. Later decreasing westerly force 4 or 5.
Weather: Mainly fair, becoming fair to cloudy with scattered showers developing soon, heavy at times with the chance of an isolated thunderstorm.
Visibility: Reducing moderate or poor in precipitation.
Outlook for a further 24 hours until 06:00, Wednesday 09 September 2026
Fresh to near gale force westerly winds, veering northwesterly and possibly touching gale force in the north on Tuesday. Winds will ease moderate to fresh in the east and light to moderate in the west by Wednesday morning. Weather: Cloudy to fair with scattered showers most frequent in northern parts but becoming isolated Tuesday night.
Forecast issued at: 06:00, Monday 07 September 2026
All times are local unless specified
