Sea Area Forecast
Forecast valid from: 00:00, Tuesday 03 March 2026 until 00:00, Wednesday 04 March 2026
Small Craft Warning
Southeasterly winds will increase to force 6 at times on Tuesday night on Irish coasts from Erris Head to Malin Head to Strangford Lough.
Gale Warning
Nil
Atlantic Swell
On Atlantic coasts overnight.
Meteorological Situation at 21:00 UTC
An anticyclone of 1032hPa centred near the Azores extends a ridge of high pressure over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Slyne Head to Rossan Point to Malin Head
Wind: Northwest force 3 to 5. Imminent decreasing northwest to north force 2 to 4. Soon becoming easterly or variable. Later increasing force 4 or 5. Becoming mainly southeast towards the end of the period.
Weather: Mainly fair apart from mist and fog patches.
Visibility: Reducing moderate or poor in mist and fog, otherwise good.
Forecast for Malin Head to Belfast Lough to Howth Head and for the North Irish Sea
Wind: Northwest force 3 to 5. Imminent decreasing northwest to north force 2 to 4. Soon becoming easterly or variable. Later increasing force 4 or 5. Becoming mainly southeast towards the end of the period.
Weather: Mainly fair apart from mist and fog patches.
Visibility: Reducing moderate or poor in mist and fog, otherwise good.
Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Northerly force 3 to 5. Imminent veering east to northeast. Soon becoming easterly. Later becoming mainly southeast.
Weather: Mainly fair apart from mist and fog patches. Cloud increasing from the south soon and becoming widespread later with patchy rain, drizzle and mist developing.
Visibility: Reducing moderate or poor in precipitation, mist and fog, otherwise good.
Outlook for a further 24 hours until 00:00, Thursday 05 March 2026
Moderate to fresh, occasionally strong south to southeast winds. Weather; Cloudy or becoming cloudy with patchy rain, drizzle and mist spreading up from the south. Rain spreading from the west later.
Forecast issued at: 00:00, Tuesday 03 March 2026
All times are local unless specified
