Sea Area Forecast

Forecast valid from: 05:30, Saturday 22 August 2026 until 06:00, Sunday 23 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 03:00 UTC

Ireland lies in a moderate northerly airflow with an anticyclone of 1029hPa centred approximately 560 nautical miles west of Slyne Head.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Fair Head to Carlingford Lough to Roches Point and for the Irish Sea

Wind: Northerly force 4 or 5, soon becoming force 3 to 5. Later becoming north to northeast force 2 to 4.

Weather: Fair with isolated showers. Mist and fog patches possible by the end of the period.

Visibility: Mostly good. Decreasing moderate or poor in any showers, mist and fog.

Forecast for Roches Point to Slyne Head to Fair Head

Wind: Northerly or variable force 2 to 4 imminent. Later becoming easterly or variable force 3 or less.

Weather: Cloudy or fair with isolated showers. Mist and fog patches possible by the end of the period.

Visibility: Mostly good. Decreasing moderate or poor in any showers, mist and fog.

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

Light to moderate anticyclonic variable winds, fresh at times on Monday. Weather: Cloudy to fair with isolated showers. Mist and fog patches possible.

Forecast issued at: 05:30, Saturday 22 August 2026

All times are local unless specified