Sea Area Forecast
Forecast valid from: 00:00, Wednesday 11 March 2026 until 00:00, Thursday 12 March 2026
Small Craft Warning
South to southwest winds, veering southwest to west, will reach force 6 on all Irish coasts through the period.
Gale Warning
1. South to southwest winds, veering southwest to west, will reach gale 8, possibly touching strong gale force 9 at times, this evening and Tuesday night on Irish coastal waters from Mizen Head to Erris Head to Fair Head.
2. Southwesterly winds will reach gale force 8 Wednesday evening on Irish coastal waters from Slyne Head to Rossan Point to Malin Head.
Atlantic Swell
On southwestern, western and northwestern coasts.
Meteorological Situation at 21:00 UTC
A depression of 971hPa centred between Iceland and Ireland generates a strong to gale force south to southwest airflow over Ireland. Associated frontal troughs are embedded in the flow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Valentia to Erris Head to Fair Head
Wind: West to southwest force 7 or gale force 8, possibly touching strong gale force 9 at times. Soon decreasing force 6 or 7. Later increasing southwest force 7 or gale force 8.
Weather: Fair to cloudy with scattered showers. Becoming cloudy with outbreaks of rain in northern parts later.
Visibility: Decreasing moderate or poor in precipitation, otherwise good.
Forecast for Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Southwest to west force 5 to 7. Soon decreasing force 5 or 6. Later increasing southwest force 6 or 7.
Weather: Fair to cloudy with isolated showers. Becoming cloudy later.
Visibility: Mostly good.
Outlook for a further 24 hours until 00:00, Friday 13 March 2026
Strong to gale force southwesterly winds possibly touching strong gale force at times. Weather: Cloudy with rain spreading from the northwest and west on Wednesday night and through Thursday, with scattered showers following.
Forecast issued at: 00:00, Wednesday 11 March 2026
All times are local unless specified
