Sea Area Forecast

Forecast valid from: 11:30, Wednesday 02 September 2026 until 12:00, Thursday 03 September 2026

Small Craft Warning

Southwest winds will reach force 6 at times today (Wednesday) and early tonight on Irish coasts from Wicklow Head to Valentia to Malin Head.

Gale Warning

nil

Meteorological Situation at 09:00 UTC

A depression of 990hPa in the North Atlantic generates a fresh to strong southeast to south airflow over Ireland. An associated occluded front moves northeast across the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Malin Head to Belfast Lough to Howth Head and for the North Irish Sea

Wind: Southeast to south force 4 to 6. Imminently veering south to southwest force 3 to 5. Soon increasing southwest force 4 to 6. Later veering southwest to west.

Weather: Cloudy with rain, drizzle and mist. Soon cloudy to fair with scattered showers, becoming isolated later.

Visibility: Moderate or poor in precipitation and mist. Soon mostly good but decreasing moderate in showers.

Forecast for Howth Head to Mizen Head to Malin Head and for the South Irish Sea

Wind: Southwest force 5 or 6 imminent. Later southwest to west force 4 to 6.

Weather: Cloudy with patches of rain, drizzle and mist. Soon cloudy to fair with isolated showers.

Visibility: Moderate or poor in precipitation and mist. Soon mostly good but decreasing moderate in showers.

Outlook for a further 24 hours until 12:00, Friday 04 September 2026

Moderate to strong southwest to west winds. Increasing near gale force in the southeast and south on Thursday evening and night, and in the west and north on Friday, possibly reaching gale force at times. Weather: Becoming cloudy with widespread rain, heavy at times in the east and south. Fair with scattered showers later, mainly in the west and north.

Forecast issued at: 11:30, Wednesday 02 September 2026

All times are local unless specified