Sea Area Forecast

Forecast valid from: 06:00, Sunday 16 August 2026 until 06:00, Monday 17 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 03:00 UTC

A ridge of high pressure extends a light to moderate southwesterly airflow over Ireland. A depression of 1011 hPa about 230 nautical miles northwest of Belmullet tracks eastwards and will move close to the north coast of Ireland this evening. Associated fronts lie over the west and north of the country

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Mizen Head to Erris Head to Malin Head

Wind: South to southwest force 4 or 5, veering west to southwest between Mizen Head and Erris Head imminent, soon becoming westerly for all of the region, later becoming west to northwest force 3 or 4.

Weather: Light rain, drizzle and mist, becoming mainly fair this evening and tonight.

Visibility: Moderate or poor in rain, drizzle, and mist, increasing mostly good this evening and tonight

Forecast for Malin Head to Wicklow Head to Mizen Head and for the Irish Sea

Wind: Westerly or variable force 3 or less, becoming south to southwest force 2 to 4 imminent, later becoming southwesterly force 3 or 4, later becoming west to southwest force 3 or 4, becoming northwesterly overnight

Weather: Mainly fair at first south of Howth Head. Rain drizzle and mist further north and moving southeastwards later this afternoon and evening

Visibility: Moderate or poor in rain, drizzle, or mist, otherwise good

Outlook for a further 24 hours until 06:00, Tuesday 18 August 2026

Moderate to fresh west to northwest winds, backing south to southwest on Monday afternoon, occasionally strong on the west coast, veering westerly on western coasts on Monday night. Mostly cloudy with patchy rain or drizzle, becoming heavier in the west and north on Monday afternoon and evening, moving southeastwards on Monday night.

Forecast issued at: 06:00, Sunday 16 August 2026

All times are local unless specified