Sea Area Forecast
Forecast valid from: 12:00, Saturday 18 April 2026 until 12:00, Sunday 19 April 2026
Small Craft Warning
nil
Gale Warning
nil
Meteorological Situation at 09:00 UTC
Ireland lies in a moderate to fresh west to northwest airflow between an anticyclone of 1029hPa centred approximately 270 nautical miles southwest of Valentia, and a depression of 999hPa centred north of Scotland.
Heavy Swell (>4m) : No
Forecast for Rossan Point to Fair Head to Howth Head and for the Irish Sea North of Anglesey
Wind: West to northwest force 3 to 5. Later becoming northwesterly or variable force 3 or less.
Weather: Mostly fair with scattered showers, clearing soon.
Visibility: Good, decreasing moderate or poor in showers.
Forecast for Howth Head to Hook Head to Valentia and for the Irish Sea South of Anglesey
Wind: West to northwest force 2 to 4. Soon becoming northerly. Later veering easterly or variable.
Weather: Mostly fair with scattered showers, clearing soon.
Visibility: Good, decreasing moderate or poor in showers.
Forecast for Valentia to Slyne Head to Rossan Point
Wind: Northwest force 3 or 4. Soon decreasing westerly or variable force 3 or less. Later becoming southerly.
Weather: Mostly fair with isolated showers.
Visibility: Good, decreasing moderate or poor in showers.
Outlook for a further 24 hours until 12:00, Monday 20 April 2026
Light to moderate anticyclonic variable winds. Becoming east to northeast winds on Sunday night and increasing fresh, occasionally strong, in the southwest. Weather: Fair with isolated light showers.
Forecast issued at: 12:00, Saturday 18 April 2026
All times are local unless specified
