Sea Area Forecast

Forecast valid from: 06:00, Saturday 03 January 2026 until 06:00, 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

Nil.

Meteorological Situation at 03:00 UTC

Ireland lies in a fresh to strong northerly airflow between an anticyclone of 1030 hPa centred southeast of Greenland and a depression of 975 hPa (Anna) centred over the Baltic Sea.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

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. Soon 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. Chance of hail.

Visibility: Mostly good. Decreasing moderate or poor in showers.

Outlook for a further 24 hours until 06:00, Monday 05 January 2026

Mainly moderate to strong northwest to north winds, light at times in the southwest on Sunday morning. Fresh to strong and gusty northerly winds in all areas on Monday. Fair with scattered showers, some wintry with a chance of hail and lightning.

Forecast issued at: 06:00, Saturday 03 January 2026

All times are local unless specified