Sea Area Forecast
Forecast valid from: 11:00, Thursday 16 July 2026 until 12:00, Friday 17 July 2026
Small Craft Warning
Nil.
Gale Warning
Nil.
Meteorological Situation at 09:00 UTC
An anticyclone of 1031 hPa centred in the North Atlantic, south-southwest of Iceland maintains a light to moderate northeasterly airflow over Ireland.
Heavy Swell (>4m) : No
Forecast for Valentia to Slyne Head to Malin Head
Wind: Northeast or variable force 2 to 4, increasing force 3 or 4 imminent. Soon increasing northeast force 4 or 5.
Weather: Fine or fair. Slight chance of isolated showers later. Mist and sea fog patches between Slyne Head and Malin Head.
Visibility: Mostly good. Reducing moderate or poor in precipitation, mist and fog.
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Northeast or variable force 3 or less. Soon increasing north force 2 to 4. Later becoming north to northeast force 3 or 4 and occasionally force 5.
Weather: Fine or fair. Mist or sea fog patches to the north.
Visibility: Good. Reducing moderate or poor in mist and fog.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: East force 3 or 4, soon easing variable force 3 or less. Soon becoming northerly force 2 to 4. Later easing northerly or variable force 3 or less.
Weather: Fine or fair.
Visibility: Good.
Outlook for a further 24 hours until 12:00, Saturday 18 July 2026
Moderate to fresh northerly winds, strong at times on West Atlantic coasts. Weather: Mostly fair. Cloudier to the northwest with mist and fog patches.
Forecast issued at: 11:00, Thursday 16 July 2026
All times are local unless specified
