Sea Area Forecast

Forecast valid from: 12:00, Tuesday 25 August 2026 until 12:00, Wednesday 26 August 2026

Small Craft Warning

Easterly winds will reach force 6 or 7 late this evening (Tuesday) and tonight on coasts from Malin Head to Carlingford Lough to Howth Head

Gale Warning

Nil

Meteorological Situation at 09:00 UTC

An anticyclone of 1025hPa centred on the coast of Norway and a depression of 1005hPa west of Erris Head generates a mostly moderate to fresh easterly airflow over Ireland. The associated frontal troughs will track eastwards towards Ireland today.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Fair Head to Carlingford Lough to Wicklow Head and for the Irish Sea

Wind: Easterly force 3 to 5. Backing north to northeast imminent. Soon increasing easterly force 5 to 7. Decreasing force 3 to 5 by end of period.

Weather: Cloudy to fair with showers extending northwards imminent. Mist possible.

Visibility: Reducing moderate or poor in showers and mist

Forecast for Wicklow Head to Roches Point to Valentia

Wind: East to northeast force 3 to 5. Soon increasing force 4 or 5, occasionally force 6. Later decreasing southeast to east force 3 or 4, occasionally reaching force 5 between Roche's Point and Valentia by end of period.

Weather: Cloudy with outbreaks of showery rain, becoming heavier in the southeast soon. Mist possible.

Visibility: Reducing moderate or poor in showers and mist.

Forecast for Valentia to Erris Head to Fair Head

Wind: Southeasterly force 3 to 5. Soon backing easterly. Later increasing force 4 to 6 north of Erris Head.

Weather: Cloudy to fair with scattered showers, becoming heavier in the northwest towards the end of the period.

Visibility: Reducing moderate or poor in showers.

Outlook for a further 24 hours until 12:00, Thursday 27 August 2026

Mostly light to moderate easterly winds, increasing fresh at times in the northwest on Wednesday morning. Increasing fresh to strong northwesterly in the south and northeast on Wednesday evening. Weather: Cloudy to fair with occasional rain and showers, turning heavy and thundery at times. Heavy rain will develop in the southeast on Thursday morning.

Forecast issued at: 12:00, Tuesday 25 August 2026

All times are local unless specified