Sea Area Forecast

Forecast valid from: 00:00, Tuesday 25 August 2026 until 00:00, Wednesday 26 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

A light to fresh easterly airflow covers Ireland between an anticyclone of 1025 hPa centred over southern Norway and a depression of 1007 hPa in the Bay of Biscay. The depression and associated frontal troughs will move northwards towards Ireland overnight and on Tuesday.

Heavy Swell (>4m) : No

Wave Height Forecast

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

Wind: East to northeast force 3 or 4, occasionally reaching force 5 in the Irish Sea, later occasionally reaching force 6 north of Wicklow Head towards the end of the period .

Weather: Mainly fair. Showers developing on the south coast overnight and extending slowly northwards on Tuesday.

Visibility: Good, decreasing moderate or poor in showers

Forecast for Mizen Head to Erris Head to Fair Head

Wind: East to southeast force 2 to 4, occasionally reaching force 5 north of Erris Head on Tuesday.

Weather: Fair overnight and on Tuesday morning apart from isolated showers. Heavier showers developing through the afternoon and evening, especially north of Slyne Head.

Visibility: Good, decreasing moderate or poor in showers

Outlook for a further 24 hours until 00:00, Thursday 27 August 2026

Moderate to fresh easterly winds, decreasing light to moderate on Wednesday afternoon, becoming north to northeast on Wednesday evening. Occasional rain or showers feeding up from the south, turning heavy or thundery at times.

Forecast issued at: 00:00, Tuesday 25 August 2026

All times are local unless specified