Sea Area Forecast
Forecast valid from: 23:00, Tuesday 25 August 2026 until 00:00, Thursday 27 August 2026
Small Craft Warning
Easterly winds will reach force 6 at times tonight (Tuesday night) on Irish coasts from Strangford Lough to Carlingford to Howth Head.
Gale Warning
nil
Meteorological Situation at 21:00 UTC
Low pressure, with central pressure of 1002hPa, situated roughly 300NM southwest of Valentia, generates a moderate to fresh easterly airflow across Ireland. Frontal troughs continue to feed up from the south.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Carnsore Point to Slyne Head to Strangford Lough
Wind: Easterly mainly force 4 or 5. Decreasing force 2 to 4 for a time soon in southern sea areas.
Weather: Rain and drizzle, heaviest away from southern sea areas. Some mist too. Fair to cloudy later with well-scattered, locally thundery showers.
Visibility: Moderate or poor in rain, drizzle, mist or any showers.
Forecast for Strangford Lough to Howth Head to Carnsore Point and for the Irish Sea
Wind: East to northeast force 4 to 6. Soon decreasing easterly force 4 or 5. Later, further decreasing variable, mainly northerly, force 2 to 4. Increasing 4 or 5 by the end of period.
Weather: Rain and drizzle, heavy at times. Some mist too. Fair to cloudy later with well-scattered, locally thundery showers.
Visibility: Moderate or poor in rain, drizzle, mist or any showers.
Outlook for a further 24 hours until 00:00, Friday 28 August 2026
Mostly moderate to fresh east to northeast winds, becoming cyclonic variable for southern and eastern sea areas later Thursday. Mostly fair Thursday night. Thundery rain will develop during Thursday, mainly for southeast, east and northern sea areas. Areas of mist too.
Forecast issued at: 23:00, Tuesday 25 August 2026
All times are local unless specified
