Sea Area Forecast
Forecast valid from: 23:00, Tuesday 15 September 2026 until 00:00, Thursday 17 September 2026
Small Craft Warning
West to southwest winds will reach force 6 or higher at times on all Irish coasts from Mizen Head to Slyne Head to Malin Head early Wednesday afternoon, extending to all Irish coasts on Wednesday night.
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
Ireland lies in a moderate to strong northwesterly airflow between an anticyclone of 1040hPa to the north of the Azores and a depression of 993hPa to the northeast of Scotland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: Northwest force 4 or 5. Soon backing westerly force 4 or 5. Later increasing southwest force 5 or 6, and occasionally force 7. Veering westerly by the end of the period.
Weather: Mostly cloudy with isolated showers. Rain and drizzle later.
Visibility: Mostly good, reducing moderate or poor in precipitation.
Forecast for Malin Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: Northwest force 4 or 5. Soon decreasing westerly force 3 or 4 and occasionally force 5. Later increasing west to southwest force 5 or 6.
Weather: Fair to cloudy with isolated showers. Rain and drizzle later.
Visibility: Mostly good, reducing moderate or poor in precipitation.
Outlook for a further 24 hours until 00:00, Friday 18 September 2026
Moderate to strong westerly winds, will increase fresh and gusty for a time in the northwest and north on Wednesday night and Thursday morning. Weather: Cloudy to fair with rain and drizzle clearing eastwards, with scattered showers developing behind from the west.
Forecast issued at: 23:00, Tuesday 15 September 2026
All times are local unless specified
