Sea Area Forecast
Forecast valid from: 16:00, Tuesday 08 September 2026 until 18:00, Wednesday 09 September 2026
Small Craft Warning
West to northwest winds will reach force 6 or higher today (Tuesday) on Irish coasts from Rossan point to Wicklow Head to Valentia, becoming confined tonight (Tuesday night) on Irish coasts from Fair Head to Strangford Lough to Wicklow Head.
Gale Warning
Nil
Meteorological Situation at 15:00 UTC
Ireland lies in a fresh to strong northwesterly airflow generated by a depression of 991hPa northeast of Scotland. A ridge of high pressure will build from the west tonight.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Rossan Point to Howth Head to Carnsore Point and for the Irish Sea
Wind: Northwest to west force 5 or 6 and occasionally force 7. Soon easing northwest force 4 or 5 and occasionally force 6. Later easing northwest to west force 3 or 4.
Weather: Cloudy to fair with scattered showers, easing soon.
Visibility: Good reducing moderate or poor in showers.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Northwest force 5 or 6. Soon becoming northwest force 3 or 4 and occasionally force 5. Later easing west or variable force 3 or less.
Weather: Fair to cloudy with isolated showers.
Visibility: Good reducing moderate or poor in showers.
Forecast for Valentia to Loop Head to Rossan Point
Wind: Northwest force 5 or 6, easing force 4 or 5 imminent. Soon becoming northwest to west force 3 or 4. Later backing southwesterly force 3 or 4.
Weather: Mostly cloudy with isolated showers.
Visibility: Good reducing moderate or poor in showers.
Outlook for a further 24 hours until 18:00, Thursday 10 September 2026
Moderate to fresh southwest winds, will increase strong and gusty at times on Thursday along Altantic coasts. Weather: Cloudy with rain and drizzle from the west.
Forecast issued at: 16:00, Tuesday 08 September 2026
All times are local unless specified
