Sea Area Forecast

Forecast valid from: 06:00, Wednesday 11 March 2026 until 06:00, 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. Westerly winds will reach gale 8 at times Wednesday morning on Irish coastal waters from Rossan Point to Bloody Foreland to Fair Head.

2. Southwesterly winds will reach gale force 8 Wednesday evening on Irish coastal waters from Valentia to Erris Head to Malin Head, extending to all IRish coastal waters overnight.

Atlantic Swell

On southwestern, western and northwestern coasts.

Meteorological Situation at 03:00 UTC

A deepening depression of 956hPa centred to the southeast of Iceland generates a strong to gale force westerly airflow over Ireland. Associated frontal troughs are embedded in the flow.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Valentia to Erris Head to Fair Head

Wind: Westerly force 6 or 7 and touching gale force 8, decreasing force 6 or 7 imminent. Soon increasing southwesterly force 7 or gale force 8. Later possibly touching strong gale force 9 north of Erris Head.

Weather: Fair to cloudy with scattered showers. Soon becoming cloudy with outbreaks of rain, turning heavy 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: Westerly force 5 to 7. Soon decreasing southwesterly force 5 or 6. Later increasing southwest force 7 or gale force 8 and possibly strong gale force 9 in the north Irish Sea.

Weather: Fair to cloudy with isolated showers. Becoming cloudy later with outbreaks of rain.

Visibility: Decreasing moderate or poor in precipitation, otherwise good.

Outlook for a further 24 hours until 06:00, Friday 13 March 2026

Strong to gale force southwesterly winds possibly touching strong gale force at times. Becoming westerly Thursday night. Weather: Cloudy with rain spreading southeastwards, turning heavy at times on Thursday, with scattered showers following Thursday night.

Forecast issued at: 06:00, Wednesday 11 March 2026

All times are local unless specified