Sea Area Forecast
Forecast valid from: 22:00, Wednesday 20 May 2026 until 00:00, Friday 22 May 2026
Small Craft Warning
Southerly winds will reach force 6 at times tonight and Thursday on Irish coasts from Belfast Lough to Roche's Point to Rossan Point.
Gale Warning
nil
Meteorological Situation at 21:00 UTC
A large and complex depression in the nearby Atlantic steers up its associated fronts with warm sector conditions moving up on a moderate to strong southwest flow.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Belfast Lough to Roches Point to Erris Head and for the Irish Sea
Wind: South to southwest force 5 or 6.
Weather: Rain and drizzle imminent. Mist and coastal fog in places too. Fair spells developing from the south on Thursday.
Visibility: Decreasing moderate or poor at times.
Forecast for Erris Head to Malin Head to Belfast Lough
Wind: Southerly mainly force 4 or 5.
Weather: Rain and drizzle imminent. Mist and coastal fog in places too.
Visibility: Decreasing moderate or poor at times.
Outlook for a further 24 hours until 00:00, Saturday 23 May 2026
Ireland will lie between low pressure to the west and high pressure to the east. Embedded weather fronts will feed up on a moderate to fresh southwest airflow, after which high pressure will move in.
Forecast issued at: 22:00, Wednesday 20 May 2026
All times are local unless specified
