Sea Area Forecast
Forecast valid from: 18:00, Tuesday 20 May 2025 until 18:00, Wednesday 21 May 2025
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 15:00 UTC
Ireland lies in a light to moderate southerly or variable airflow with an anticyclone of 1038hPa centred to the east of Greenland and a frontal trough approaching the southwest coast.
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Carlingford Lough to Wicklow Head to Carnsore Point and for the Irish Sea
Wind: Variable force 3 or less. Later becoming northwest or variable force 2 to 4.
Weather: Cloudy to fair, with isolated showers and possible thunderstorms. Later becoming fair with possible mist and fog patches.
Visibility: Good reducing moderate or poor in showers, mist and fog.
Forecast for Irish coastal waters from Carnsore Point to Dungarvan to Mizen Head
Wind: Southwest or variable force 2 to 4. Soon becoming north force 3 or 4. Becoming southwest force 3 or 4 by Wednesday evening.
Weather: Rain or drizzle. Later, becoming fair with possible mist and fog patches.
Visibility: Good reducing moderate or poor in rain, mist and fog.
Forecast for Irish coastal waters from Mizen Head to Valentia to Loop Head
Wind: South force 3 or 4, possibly reaching force 5 at times. Soon decreasing north or variable force 2 or 3. Later increasing north force 3 or 4.
Weather: Mostly cloudy with showers. Becoming fair later.
Visibility: Good reducing moderate or poor in showers, mist and fog.
Forecast for Irish coastal waters from Loop Head to Bloody Foreland to Carlingford Lough
Wind: Northeast force 3 or 4. Cyclonic variable force 2 to 4 for a time between Loop Head and Slyne Head. Later increasing north to northwest force 4 or 5.
Weather: Cloudy to fair, with isolated heavy showers. Soon becoming fair with possible mist and fog patches.
Visibility: Good reducing moderate or poor in showers, mist and fog.
Outlook for a further 24 hours until 18:00, Thursday 22 May 2025
Moderate to fresh northerly winds developing on all Irish coastal waters and on the Irish Sea. Weather: Cloudy or fair.
Forecast issued at: 18:00, Tuesday 20 May 2025
All times are local unless specified
