Sea Area Forecast
Forecast valid from: 12:00, Tuesday 04 August 2026 until 12:00, Wednesday 05 August 2026
Small Craft Warning
1) West to northwest winds will reach force 6 or 7 later Tuesday afternoon, evening and overnight on Irish coasts from Valentia to Slyne Head to Bloody Foreland.
2) Westerly winds will reach force 6 or 7 from early tomorrow (Wednesday) on Irish coasts from Valentia to Malin Head to Dungarvan.
Gale Warning
Nil.
Meteorological Situation at 09:00 UTC
Ireland lies in a mostly moderate to fresh cyclonic variable airflow generated by a depression of 1003hPa, centred off the north coast of Ireland, slowly filling and tracking towards Scotland today. Associated frontal troughs embedded in the flow will continue to track northeastwards.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Rossan Point to Malin Head to Belfast Lough
Wind: Westerly or cyclonic variable force 2 to 4. Soon increasing west or southwest force 4 or 5. Later increasing westerly mainly force 6 or 7 and gusty.
Weather: Mostly cloudy with scattered showers, chance of isolated thunderstorms. Mist patches. Rain later, heavy or thundery at times.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Forecast for Belfast Lough to Wicklow Head to Hook Head and for the Irish Sea
Wind: Southwesterly force 4 or 5. Soon veering westerly. Later increasing force 5 to 7 and gusty, strongest north of Howth Head and on the north Irish Sea.
Weather: Cloudy to fair with scattered showers imminent, chance of isolated thunderstorms. Mist patches. Isolated showers later.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Forecast for Hook Head to Valentia to Rossan Point
Wind: Increasing west to northwest force 4 to 6 imminent, slackest in the south. Soon increasing west to northwest force 5 to 7 and gusty, strongest north of Slyne Head.
Weather: Cloudy to fair with well scattered showers, some heavy. Rain in the west soon with the chance of isolated thunderstorms.
Visibility: Moderate to poor in precipitation, otherwise good.
Outlook for a further 24 hours until 12:00, Thursday 06 August 2026
Fresh to near gale force west to northwest winds, strongest in the north and east, gradually easing moderate to fresh from the west by Thursday morning and further decreasing mostly light to moderate westerly by the end of the period. Weather: Rain in the north and east at first, clearing eastwards Wednesday night. Otherwise, cloudy to fair with isolated showers.
Forecast issued at: 12:00, Tuesday 04 August 2026
All times are local unless specified
