Sea Area Forecast
Forecast valid from: 12:00, Wednesday 21 May 2025 until 12:00, Thursday 22 May 2025
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
A ridge of high pressure extending from an anticyclone of 1030hPa, centred to the northeast of Iceland, generates a light to moderate northerly airflow over Ireland.
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Fair Head to Carlingford Lough to Howth Head and for the north Irish Sea
Wind: Northwesterly or variable force 3 to 5, strongest in the North Channel and the north Irish Sea. Later increasing cyclonic variable force 4 or 5, possibly force 6 at times. Decreasing northeasterly or variable force 2 to 4 by the end of the period.
Weather: Fair or fine. Cloudy to fair later.
Visibility: Good.
Forecast for Irish coastal waters from Howth Head to Carnsore Point to Valentia
Wind: West to northwest or variable force 3 to 5 imminent, strongest in the southwest. Later becoming northwesterly or variable force 3 to 5, strongest in the east and south Irish Sea.
Weather: Mostly fair. Cloudy in the southwest later with a chance of some patchy light rain, drizzle or mist.
Visibility: Good, decreasing moderate or poor in any precipitation or mist.
Forecast for Irish coastal waters from Valentia to Erris Head to Fair Head
Wind: North or northwest force 3 or 4, occasionally force 5. Later decreasing northwesterly or variable force 2 to 4.
Weather: Mostly fair. Cloudy in the west and southwest later with a chance of some patchy light rain, drizzle or mist.
Visibility: Good, decreasing moderate or poor in any precipitation or mist.
Outlook for a further 24 hours until 12:00, Friday 23 May 2025
Light to moderate northerly or variable winds, fresh at times in the south and east Thursday afternoon and evening, easing light variable Thursday night. Light to moderate southerly winds will develop Friday morning. Weather: Mostly fair or fine but cloudy in the west and southwest with patchy light rain, drizzle and mist, extending to the northwest Friday morning.
Forecast issued at: 12:00, Wednesday 21 May 2025
All times are local unless specified
