Sea Area Forecast
Forecast valid from: 00:00, Saturday 03 January 2026 until 00:00, Sunday 04 January 2026
Small Craft Warning
Northwest to north winds will reach force 6 or higher tonight (Friday night) and tomorrow on Irish coasts from Slyne Head to Belfast Lough to Dungarvan.
Gale Warning
Nil
Atlantic Swell
Nil.
Meteorological Situation at 21:00 UTC
Ireland lies in a fresh to strong northerly airflow between an anticyclone of 1030 hPa centred southeast of Greenland and a depression of 976 hPa (Anna) centred over the Baltic Sea.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Slyne Head to Strangford Lough to Dungarvan and for the Irish Sea
Wind: Northwest to north force 5 to 7 and gusty. Later decreasing force 4 to 6.
Weather: Fair with scattered showers, some wintry with a chance of hail.
Visibility: Mostly good. Decreasing moderate or poor in showers.
Forecast for Irish coastal waters from Dungarvan to Mizen Head to Slyne Head
Wind: North force 4 or 5 and gusty. Later decreasing force 3 or 4.
Weather: Fair with scattered showers, mainly in the west. Some wintry with a chance of hail.
Visibility: Mostly good. Decreasing moderate or poor in showers.
Outlook for a further 24 hours until 00:00, Monday 05 January 2026
Mainly moderate to strong northwest to north winds, light at times in the southwest on Sunday morning. Fair with scattered showers, some wintry with a chance of hail and lightning.
Forecast issued at: 00:00, Saturday 03 January 2026
All times are local unless specified
