Sea Area Forecast
Forecast valid from: 18:00, Friday 21 November 2025 until 18:00, Saturday 22 November 2025
Small Craft Warning
South to southwest winds will reach force 6 or higher for a time this evening on all Irish coasts, before becoming confined to Irish coasts from Malin Head to Howth Head to Mizen Head overnight.
Gale Warning
Meteorological Situation at 15:00 UTC
Ireland lies between an anticyclone of 1034 hPa centred northeast of the Azores and a broad and complex depression of 996hPa stretching from southern Greenland to the Norwegian west coast. A moderate to strong south to southwest airflow is being generated over the country as a frontal system associated with the depression to the north approaches the west coast.
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Malin Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: Southwest force 5 or 6, imminent increasing force 6 or 7 and gusty. Soon veering west to northwest and decreasing force 4 or 5, but maintaining force 6 or 7 for a short time between Wicklow Head and Carnsore Point and on the south Irish Sea. Later backing west to southwest force 3 to 5.
Weather: Cloudy with rain and drizzle spreading from the west. Soon becoming fair with isolated showers. Further rain and drizzle spread from the west later. Areas of mist and fog also.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Forecast for Irish coastal waters from Mizen Head to Erris Head and Malin Head
Wind: Southwest force 6 or 7 and gusty, imminent decreasing northwest force 4 or 5. Soon backing westerly. Becoming mainly southwest towards the end of the period and increasing to force 6 at times between Slyne Head and Erris Head at the end of the period.
Weather: Cloudy with rain and drizzle, heavy at times. Imminent becoming fair with scattered showers. Further rain and drizzle developing later. Areas of mist and fog also.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 18:00, Sunday 23 November 2025
Moderate to strong west to southwest winds increasing mainly strong to gale force westerly or cyclonic variable on Saturday night. Winds becoming northwest to north later. Weather; Outbreaks of rain and drizzle become widespread on Saturday night, clearing eastwards with showers following, some of them heavy, especially in the north and northwest.
Forecast issued at: 18:00, Friday 21 November 2025
All times are local unless specified
