Sea Area Forecast
Forecast valid from: 06:00, Wednesday 25 March 2026 until 06:00, Thursday 26 March 2026
Small Craft Warning
West to northwest winds will reach force 6 or higher today, tonight and tomorrow Wednesday on all Irish coasts.
Gale Warning
Northwest winds will reach gale force during Wednesday on Irish coastal waters from Mizen Head to Erris Head to Belfast Lough.
Atlantic Swell
On Atlantic coasts.
Meteorological Situation at 03:00 UTC
A large and complex depression across northwest Europe generates an unstable strong to gale force west to northwest flow across Ireland. Its associated active trough lines will feed down across the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea
Wind: West to northwest force 7 or gale force 8 and gusty. Soon decreasing force 6 or 7 and gusty. Later gradually decreasing force 5 to 7.
Weather: Frequent showers, some heavy with the chance of hail and isolated thunderstorms.
Visibility: Moderate or poor in showers, otherwise mostly good.
Forecast for Mizen Head to Erris Head to Belfast Lough
Wind: Northwest force 7 to gale force 8. Later decreasing force 6 to gale force 8. Further decreasing force 5 to 6 towards the end of the period.
Weather: Frequent showers, some heavy with the chance of hail and isolated thunderstorms. Patchy rain, drizzle and mist.
Visibility: Moderate or poor in showers, otherwise mostly good.
Outlook for a further 24 hours until 06:00, Friday 27 March 2026
West to north-west winds will moderate and back south-west, later increasing fresh to strong. Cloudy with scattered rain and drizzle, heaviest for west and northwest areas. Mist too. Becoming mostly fair later.
Forecast issued at: 06:00, Wednesday 25 March 2026
All times are local unless specified
