Sea Area Forecast

Forecast valid from: 05:30, Tuesday 27 October 2026 until 06:00, Wednesday 28 October 2026

Small Craft Warning

Southwest to west winds will reach force 6 or higher on all Irish coasts through the period.

Gale Warning

1. Southwest to west winds will reach gale force this morning (Tuesday) on Irish coastal waters from Slyne Head to Malin Head to Carlingford Lough and on the Irish Sea north of the Isle of Man. 2. Southwest winds will reach gale force early Wednesday night on Irish coastal waters from Erris Head to Rossan Point to Malin Head.

Atlantic Swell

Heavy swell developing on Atlantic coasts.

Meteorological Situation at 03:00 UTC

A depression of 958hPa between Iceland and Scotland generates a gale force southwest to west airflow over Ireland. Associated fronts clear eastwards, followed by showery troughs embedded in the flow.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Slyne Head to Malin Head to Carlingford Lough and for the North Irish Sea

Wind: Southwest to west force 7 or gale force 8 and gusty. Soon decreasing force 6 or 7 and gusty. Later increasing southwest force 6 to gale force 8 and gusty.

Weather: Showers or rain, heavy at times with a chance of hail and thunder.

Visibility: Mostly good but decreasing moderate or poor in precipitation.

Forecast for Carlingford Lough to Dungarvan to Slyne Head and for the South Irish Sea

Wind: Southwest to west force 6 or 7 and gusty. Soon decreasing force 5 to 7 and gusty.

Weather: Showers or rain, heavy at times with a chance of hail and thunder. Isolated showers later.

Visibility: Mostly good but decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 06:00, Thursday 29 October 2026

Fresh to near gale force southwest winds, backing south to southwest and decreasing moderate to fresh during Wednesday. Moderate to strong southerly winds developing Wednesday evening, increasing to near gale force at times in the west on Wednesday night. Weather: Cloudy with rain or showers. Becoming cloudy to fair with isolated showers during Wednesday.

Forecast issued at: 05:30, Tuesday 27 October 2026

All times are local unless specified