Sea Area Forecast
Forecast valid from: 00:00, Tuesday 18 November 2025 until 00:00, Wednesday 19 November 2025
Small Craft Warning
Westerly winds veering northwest to north will increase to force 6 or higher overnight and on Tuesday morning on Irish coasts from Loop Head to Malin Head to Wicklow Head, extending to all coasts Tuesday afternoon.
Gale Warning
Northerly winds will reach gale force 8 at times later on Irish coastal waters from Slyne Head to Rossan Point to Malin Head and also on Irish coastal waters from Carlingford Lough to Wicklow Head to Carnsore Point and on the South Irish Sea.
Meteorological Situation at 21:00 UTC
A shallow but deepening depression of 1018hPa centred between Iceland and Scotland within a broader area of High Pressure stretching from Greenland to the south of the Azores is tracking southeastwards. An associated warm front is approaching the northwest coast of Ireland in a freshening westerly airflow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Loop Head to Malin Head to Wicklow Head and for the North Irish Sea
Wind: Westerly force 4 or 5. Imminent increasing west to northwest force 5 to 7 and gusty. Later veering northwest to north and increasing gale force 8 at times. Increasing force 6 to gale force 8 by the end of the period.
Weather: Outbreaks of rain and drizzle, clearing to scattered showers soon. Some of the showers will be heavy in the north and northwest, with a chance of hail.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Wicklow Head to Roches Point to Loop Head and for the South Irish Sea
Wind: Westerly force 3 to 4. Imminent increasing force 4 or 5. Soon veering northwest. Later increasing force 5 to 7 and gusty. Veering northwest to north and occasionally touching gale force 8 by the end of the period.
Weather: Outbreaks of rain and drizzle, clearing to scattered showers soon. Some of the showers will be heavy in the north and northwest, with a chance of hail.
Visibility: Good, decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 00:00, Thursday 20 November 2025
Strong to near gale northerly winds, occasionally touching gale force 8 in the northwest and southeast early on Wednesday. Winds decreasing fresh to near gale later on Wednesday. Weather; Mainly fair with scattered showers, some of hail and sleet with isolated thunderstorms possible in the north and northeast.
Forecast issued at: 00:00, Tuesday 18 November 2025
All times are local unless specified
