Sea Area Forecast
Forecast valid from: 23:30, Thursday 18 June 2026 until 00:00, Saturday 20 June 2026
Small Craft Warning
nil
Gale Warning
nil
Meteorological Situation at 21:00 UTC
A slow-moving depression of 996hPa south of Iceland generates a moderate to fresh southwesterly airflow over Ireland. Frontal waves are clearing into the Irish Sea as high pressure begins to move up from the south.
Heavy Swell (>4m) : No
Forecast for all Irish coastal waters and for the Irish Sea
Wind: Southwest to west force 4 or 5. Soon decreasing westerly or variable force 2 ot 4, strongest for northwest areas. Further decreasing variable force 3 or less towards the end of the period.
Weather: Well-scattered showers at first. Mist in places too. Soon mostly fair
Visibility: Improving mostly good.
Outlook for a further 24 hours until 00:00, Sunday 21 June 2026
High pressure will move up across the country with a light variable airflow. Some mist or fog patches. Overall fair.
Forecast issued at: 23:30, Thursday 18 June 2026
All times are local unless specified
