Sea Area Forecast
Forecast valid from: 06:00, Wednesday 29 April 2026 until 06:00, Thursday 30 April 2026
Small Craft Warning
1. East to northeast winds will reach force 6 or higher on Irish coasts from Strangford Lough to Carnsore Point to Valentia during Wednesday.
2. Easterly winds will reach force 6 or higher at times on all Irish coasts early on Thursday.
Gale Warning
nil
Meteorological Situation at 03:00 UTC
High pressure of 1033hPa centred in the North Sea between Scotland and Norway directs a mostly moderate to fresh easterly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Belfast Lough to Carnsore Point to Valentia and for the Irish Sea
Wind: East to northeast force 4 to 6. Imminent increasing force 5 or 6 between Carlingford Lough and Mizen Head. Soon occasionally reaching force 7. Later increasing force 5 to 7 and gusty.
Weather: Fine or fair today. Becoming cloudy in the south later and rain and mist developing.
Visibility: Good today, reducing moderate or poor in precipitation and mist later.
Forecast for Valentia to Rossan Point to Belfast Lough
Wind: Easterly force 3 or 4. Imminent increasing force 3 to 5. Later increasing force 4 to 6.
Weather: Fine or fair today. Becoming cloudy in the west and south later with rain and mist developing.
Visibility: Good today, reducing moderate or poor in precipitation and mist later.
Outlook for a further 24 hours until 06:00, Friday 01 May 2026
Moderate to strong easterly winds, reaching near gale at times in the south and east. Decreasing mainly moderate to fresh east to southeast on Thursday afternoon, but continuing strong and times in the north and northeast. Later decreasing mostly moderate occasionally fresh southeast to south. Weather: Becoming mostly cloudy with rain and drizzle spreading northeastwards through the period. Isolated thunderstorms possible in the south and southeast.
Forecast issued at: 06:00, Wednesday 29 April 2026
All times are local unless specified
