Sea Area Forecast
Forecast valid from: 00:00, Tuesday 12 May 2026 until 00:00, Wednesday 13 May 2026
Small Craft Warning
1.West to north-west winds will reach force 6 overnight and on Tuesday morning on coasts from Slyne Head to Rossan Pt to Belfast Lough
2. West to northwest winds will reach force 6 or 7 on Tuesday afternoon on coasts from Loop Head to Erris Head to Fair Head, extending to all coasts in the evening and early night.
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
An anticyclone of 1035 hPa in mid-Atlantic, maintains a light to moderate northwesterly airflow over Ireland. A frontal trough approaches from the north-west and will move southeastwards over the country overnight and on Tuesday morning.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Valentia to Erris Head to Belfast Lough
Wind: Northwesterly force 4 or 5 and reaching force 6 north of Slyne Head, later becoming west to northwest and increasing fro 6 or 7 for all of the region
Weather: Rain and drizzle moving southwards overnight, clearing on Tuesday morning with well scattered showers following
Visibility: Moderate or poor in rain, drizzle or showers, otherwise good.
Forecast for Belfast Lough to Carnsore Point to Valentia and for the Irish Sea
Wind: West to north-west force 4 or 5 imminent, soon reaching force 6 on the north Irish Sea, later decreasing force 3 or 4, then increasing force 5 to 7 by the end of the period.
Weather: Rain and drizzle moving southwards overnight and Tuesday morning, becoming fair in the afternoon.
Visibility: Moderate or poor in rain and drizzle, increasing good as rain clears.
Outlook for a further 24 hours until 00:00, Thursday 14 May 2026
Fresh to strong west to Northwest winds reaching near gale force on west and north coasts, becoming fresh to strong north to north-west on Wednesday evening. Showers extending southwards and becoming widespread on Wednesday
Forecast issued at: 00:00, Tuesday 12 May 2026
All times are local unless specified
