Sea Area Forecast
Forecast valid from: 11:00, Monday 07 September 2026 until 12:00, Tuesday 08 September 2026
Small Craft Warning
Southwesterly winds will reach force 6 or higher at times today on all Irish coasts.
West to northwest winds will reach force 6 or higher at times tonight and tomorrow morning on coasts from Roches Point to Erris Head to Howth Head.
Gale Warning
West to southwest winds will reach gale force at times this afternoon on coasts from Rosan Point to Malin Head to Fair Head.
Atlantic Swell
on northwestern coasts.
Meteorological Situation at 09:00 UTC
Ireland lies in a strengthening west so southwesterly airflow, as a depression of 973hPa, centred to the southeast of Iceland, tracks towards Scotland, and a wave depression passes south of Ireland into France. Associated fronts will affect the country clearing to the southeast by early tonight.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea
Wind: Southwesterly force 5 to 7 occasionally touching gale force 8, between Rossan Point and Fair Head. Soon veering west to southwest force 5 to 7. Further veering west to northwest force 6 or 7 later.
Weather: Cloudy to fair with occasional rain or showers, some heavy with the chance of thunder.
Visibility: Reducing moderate or poor in precipitation.
Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Southwesterly force 5 or 6, occasionally force 7. Soon veering westerly force 5 or 6. Later veering west to northwest force 4 to 6.
Weather: Cloudy to fair with occasional rain or showers, some heavy with the chance of thunder. Fair with scattered showers later.
Visibility: Reducing moderate or poor in precipitation.
Outlook for a further 24 hours until 12:00, Wednesday 09 September 2026
Fresh to near gale force west to northwesterly winds, veering northwesterly. Winds will ease light to moderate later and will back southwest in Atlantic sea areas. Cloudy to fair with scattered showers most frequent in northern parts but becoming isolated later.
Forecast issued at: 11:00, Monday 07 September 2026
All times are local unless specified
