Sea Area Forecast
Forecast valid from: 17:00, Tuesday 04 August 2026 until 18:00, Wednesday 05 August 2026
Small Craft Warning
1. West to northwest winds will reach force 6 or higher for the rest of today on Irish coasts from Mizen Head to Slyne Head to Bloody Foreland.
2. West to northwest winds will reach force 6 or higher overnight and during Wednesday on Irish coasts from Valentia to Bloody Foreland to Carnsore Point.
Gale Warning
Nil.
Meteorological Situation at 15:00 UTC
Low pressure (1000 hPa), centred over Scotland, generates a moderate to strong west to northwest airflow across Ireland. Its associated bent-back occlusion will feed down from the northwest overnight and into Wednesday with a strengthening airflow. Winds will begin to moderate later Wednesday as the low moves northeastwards.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Bloody Foreland
Wind: West to northwest force 5 or 6. Soon increasing force 5 to 7, strongest for the northwest. Later gradually decreasing force 4 or 5 and gusty.
Weather: Mostly cloudy. Showery rain developing overnight, heaviest for the the northwest.
Visibility: Good, decreasing moderate in places.
Forecast for Bloody Foreland to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Between west and southwest, mainly force 3 or 4. Westerly force 4 or 5 imminent. Soon increasing west to northwest force 6 or 7 and gusty. Decreasing northwesterly force 5 or 6 by the end of the period.
Weather: Mostly cloudy. Showery rain developing overnight, heaviest for the north and northwest.
Visibility: Good, decreasing moderate or poor in places.
Forecast for Carnsore Point to Dungarvan to Mizen Head
Wind: Northwesterly mainly force 4 to 5, locally force 6.
Weather: Cloudy to fair with some passing showers later.
Visibility: Mostly good.
Outlook for a further 24 hours until 18:00, Thursday 06 August 2026
Low pressure will continue to clear northeastwards towards the Norweigean Sea as a weak ridge of high pressure moves in from the Atlantic. Fresh west to northwest winds will back west to southwest and moderate. Becoming mostly fair with just well scattered showers.
Forecast issued at: 17:00, Tuesday 04 August 2026
All times are local unless specified
