Sea Area Forecast

Forecast valid from: 05:30, Sunday 23 August 2026 until 06:00, Monday 24 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 03:00 UTC

Ireland lies in a light to moderate anticyclonic variable airflow with an area of high pressure of 1028hPa centred across the country.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Howth Head to Hook Head to Valentia and for the Irish Sea South of Anglesey

Wind: East to northeast force 3 or 4, later increasing force 4 or 5.

Weather: Cloudy to fair with isolated showers. Mist and fog patches possible.

Visibility: Good. Decreasing moderate or poor in any mist and fog.

Forecast for Valentia to Erris Head to Howth Head and for the Irish Sea North of Anglesey

Wind: Variable force 3 or less, later becoming east to southeast force 2 to 4.

Weather: Cloudy to fair with isolated showers. Mist and fog patches possible.

Visibility: Good. Decreasing moderate or poor in any mist and fog.

Outlook for a further 24 hours until 06:00, Tuesday 25 August 2026

Moderate to fresh easterly winds, strong at times on Monday night. Weather: Cloudy to fair. Some mist and fog possible. Scattered showers developing on Monday.

Forecast issued at: 05:30, Sunday 23 August 2026

All times are local unless specified