Sea Area Forecast
Forecast valid from: 12:00, Monday 20 April 2026 until 12:00, Tuesday 21 April 2026
Small Craft Warning
Easterly winds will reach force 6 at times today on Irish coastal waters from Roches Point to Mizen Head to Valentia.
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
High pressure of 1036hPa centred over Iceland, generates a light to moderate northeasterly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Northeast or variable force 3 or less, increasing force 2 to 4 imminent. Soon increasing east force 3 or 4, increasing to force 4 or 5 and occasionally force 6 between Belfast Lough and Howth Head, and on the North Irish Sea. Later increasing force 4 or 5, and occasionally force 6. Backing northeasterly by the end of the period.
Weather: Mostly fair with isolated showers.
Visibility: Good, reducing moderate or poor in any showers.
Forecast for Carnsore Point to Slyne Head to Malin Head
Wind: Easterly force 3 or 4, force 5 or 6 between Hook Head and Valentia. Increasing east to northeast force 4 or 5 imminent. Soon increasing force 5 or 6 between Carnsore point and Loop Head. Increasing easterly force 5 or 6, and occasionally force 7 and gusty between Roches Point and Loop Head.
Weather: Mostly fair with isolated showers.
Visibility: Good, reducing moderate or poor in any showers.
Outlook for a further 24 hours until 12:00, Wednesday 22 April 2026
Moderate to fresh easterly winds, will increase strong to near gale on Tuesday, reaching gale force at times in the southwest. Weather: Mostly fair with scattered showers.
Forecast issued at: 12:00, Monday 20 April 2026
All times are local unless specified
