Sea Area Forecast

Forecast valid from: 06:00, Thursday 12 March 2026 until 06:00, Friday 13 March 2026

Small Craft Warning

See Gale Warning

Gale Warning

South to southwest winds veering southwest to west will reach gale force 8 or strong gale force 9 at times this morning and afternoon becoming confined to Irish coastal waters from Carnsore Point to Loop Head to Fair Head tonight.

Atlantic Swell

On northern and western coasts.

Meteorological Situation at 03:00 UTC

Low pressure of 955hPa centred just off the northeast coast of Iceland generates a strong to gale force southwesterly airflow over Ireland. Associated active 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 Malin Head to Howth Head to Roches Point and for the Irish Sea

Wind: South to southwest force 7 to strong gale force 9 and gusty. Soon veering southwest to west and decreasing force 5 to 7, occasionally gale force 8 and gusty. Later increasing force 6 or 7, occasionally gale force 8 and gusty.

Weather: Rain becoming persistent and heavy at times in the northwest this morning and extending southeastwards. Showers following from the northwest soon, some heavy with isolated thunderstorms and hail.

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

Forecast for Roches Point to Slyne Head to Malin Head

Wind: Southwest force 7 to strong gale force 9 and gusty. Imminent veering southwest to west force 6 to gale force 8 and gusty. Later becoming westerly and reaching strong gale force 9 at times.

Weather: Rain becoming persistent and heavy at times in the northwest this morning and extending southeastwards. Showers following from the northwest soon, some heavy with isolated thunderstorms and hail.

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

Outlook for a further 24 hours until 06:00, Saturday 14 March 2026

Strong to gale force southwest to west winds decreasing fresh to near gale westerly on Friday morning. Further decreasing moderate to strong west to northwest soon, but continuing near gale to gale force at times in the northwest. Becoming moderate to strong westerly by the end of the period. Weather; Showers or longer spells of rain, with isolated thunderstorms and hail on Friday. Showers becoming mainly confined to the west and north on Friday night.

Forecast issued at: 06:00, Thursday 12 March 2026

All times are local unless specified