Sea Area Forecast
Forecast valid from: 12:00, Saturday 03 January 2026 until 12:00, Sunday 04 January 2026
Small Craft Warning
Northwest to north winds will reach force 6 or higher today (Saturday) on Irish coasts from Slyne Head to Belfast Lough to Dungarvan.
Gale Warning
Nil
Atlantic Swell
Yes
Meteorological Situation at 09:00 UTC
Ireland lies in a fresh to strong north to northwest airflow between an anticyclone of 1044hPa centered over Greenland and a depression of 983hPa over the Baltic Sea.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Rossan Point to Carlingford Lough to Hook Head and for the Irish Sea
Wind: Northerly force 5 or 6, occasionally force 7. Soon decreasing force 4 or 5, and occasionally force 6. Later backing northwesterly.
Weather: Fair with scattered showers, wintry at times with the chance of sleet or hail.
Visibility: Good, decreasing moderate or poor in showers.
Forecast for Irish coastal waters from Hook Head to Mizen Head to Rossan Point
Wind: Northerly force 4 or 5. Soon decreasing force 2 to 4 and occasionally force 5. Later backing northwesterly or cyclonic variable.
Weather: Fair with scattered showers, wintry at times with hail or sleet possible. Chance of mist or fog patches in the southwest later.
Visibility: Good, decreasing moderate or poor in showers, mist and fog.
Outlook for a further 24 hours until 12:00, Monday 05 January 2026
Moderate to fresh north to northwest winds, will increase fresh to strong and gusty Sunday night. Mostly fair with scattered showers, wintry at times with the chance of hail or sleet.
Forecast issued at: 12:00, Saturday 03 January 2026
All times are local unless specified
