Sea Area Forecast
Forecast valid from: 18:00, Friday 02 January 2026 until 18:00, Saturday 03 January 2026
Small Craft Warning
Northwest to north winds will reach force 6 or higher today (Friday), tonight and on Saturday morning on Irish coasts from Slyne Head to Strangford Lough to Dungarvan.
Gale Warning
Nil
Atlantic Swell
developing for northwest coasts later
Meteorological Situation at 15:00 UTC
Ireland lies in a moderate to strong northerly airflow between an anticyclone of 1031 hPa centred southeast of Greenland and a storm depression Anna (974 hPa) 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: North to northwest force 5 to 7 and gusty.
Weather: Well scattered showers, mainly in north and northwest areas, some wintry with a chance of hail.
Visibility: Good, decreasing moderate or poor in showers
Forecast for Irish coastal waters from Dungarvan to Mizen Head to Slyne Head
Wind: Northerly mainly force 4 to 5.
Weather: Well scattered showers, mainly in north and northwest areas, some wintry with a chance of hail.
Visibility: Good, decreasing moderate or poor in showers
Outlook for a further 24 hours until 18:00, Sunday 04 January 2026
Moderate to fresh north to northwest winds, increasing fresh to strong later Sunday. Well scattered showers, mainly for northern and western areas, some wintry with the chance of lightning.
Forecast issued at: 18:00, Friday 02 January 2026
All times are local unless specified
