Sea Area Forecast
Forecast valid from: 00:00, Sunday 16 August 2026 until 00:00, Monday 17 August 2026
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
A ridge of high pressure extends a light to moderate southwesterly airflow over Ireland. A depression of 1012 hPa about 360 nautical miles west-northwest of Belmullet tracks eastwards and will move close to the north coast of Ireland on Sunday. Associated fronts will move in from the northwest.
Heavy Swell (>4m) : No
Forecast for Mizen Head to Erris Head to Fair Head
Wind: South to southwest force 3 or 4, increasing force 4 or 5 imminent, later veering west to southwest, decreasing westerly force 3 or 4.
Weather: Light rain, drizzle, and mist overnight and Sunday, becoming mainly fair later.
Visibility: Moderate or poor in rain, drizzle, and mist, increasing mostly good later on Sunday.
Forecast for Fair Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: Westerly or variable force 3 or less, soon becoming south to southwest force 2 to 4, later becoming southwesterly force 3 or 4, occasionally force 5 between Hook Head and Mizen Head, becoming westerly force 3 or 4 towards the end of the period.
Weather: Mainly fair at first. Rain drizzle and mist developing further north and moving southeastwards later on Sunday.
Visibility: Good, decreasing moderate or poor in rain, drizzle, or mist.
Outlook for a further 24 hours until 00:00, Tuesday 18 August 2026
Moderate to fresh west to northwest winds, backing south to southwest on Monday afternoon, occasionally strong on the west coast. Mostly cloudy with patchy rain or drizzle, becoming heavier in the west and north on Monday afternoon and evening.
Forecast issued at: 00:00, Sunday 16 August 2026
All times are local unless specified
