Sea Area Forecast
Forecast valid from: 00:00, Tuesday 07 October 2025 until 00:00, Wednesday 08 October 2025
Small Craft Warning
1. Southwest winds will reach force 6 or higher at times overnight on Irish coasts from Valentia to Belfast Lough to Roches Point. 2. Southwest winds will reach force 6 for a time on Tuesday morning on Irish coasts from Valentia to Loop Head to Slyne Head and also on Irish coasts from Bloody Foreland to Strangford Lough to Wicklow Head.
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
Ireland lies in a fresh to strong southwest airflow between an anticyclone of 1030hPa centred over Switzerland and a depression of 978hPa centred north of Iceland. A cold front approaching the northwest is expected to track southeastwards over the country overnight and during Tuesday.
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Valentia to Rossan Point to Belfast Lough.
Wind: Southwest force 5 to 7 and gusty, imminent decreasing force 5 or 6 but veering northwest force 4 or 5 between Slyne Head and Bloody Foreland. Soon decreasing northwest force 3 or 4. Later backing west to southwest north of Slyne Head and increasing force 4 or 5, but maintaining northwest force 3 or 4 elsewhere.
Weather: Rain, drizzle and mist, becoming fair later.
Visibility: Reducing moderate or poor in rain, drizzle and mist. Becoming mostly good later.
Forecast for Irish coastal waters from Belfast Lough to Carnsore Point to Valentia and for the Irish Sea
Wind: Southwest force 5 or 6, soon decreasing force 4 to 6. Gradually veering northwest to north force 3 to 5, later.
Weather: Mostly cloudy. Rain, drizzle and mist spreading from the northwest overnight and during Tuesday.
Visibility: Reducing moderate or poor in rain, drizzle and mist.
Outlook for a further 24 hours until 00:00, Thursday 09 October 2025
Moderate to fresh west to northwest winds increasing strong west to southwest in the north and northwest on Wednesday. Weather: Becoming cloudy to fair with rain, drizzle and mist in the south and east clearing on Tuesday night. Fair to cloudy with isolated showers in the north on Wednesday evening.
Forecast issued at: 00:00, Tuesday 07 October 2025
All times are local unless specified
