Sea Area Forecast
Forecast valid from: 06:00, Friday 21 August 2026 until 06:00, Saturday 22 August 2026
Small Craft Warning
nil
Gale Warning
nil
Meteorological Situation at 03:00 UTC
Ireland lies in a moderate to fresh northerly airflow between an anticyclone of 1028hPa centred over the mid-Atlantic and a depression of 996hPa centred over Scandinavia.
Heavy Swell (>4m) : No
Forecast for Valentia to Erris Head to Fair Head
Wind: Northerly force 4 or 5. Later decreasing force 3 or 4.
Weather: Fair to cloudy with scattered showers, soon becoming isolated.
Visibility: Mostly good, reducing moderate in heavy showers.
Forecast for Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Northerly force 4 or 5, but northerly or variable force 3 to 5 in the Irish Sea.
Weather: Fair to cloudy with scattered showers, soon becoming isolated.
Visibility: Mostly good, reducing moderate in heavy showers.
Outlook for a further 24 hours until 06:00, Sunday 23 August 2026
Light to fresh mostly northerly winds will ease light to moderate on Saturday morning, and gradually become anticyclonic variable on Saturday night. Weather: Cloudy in the west and north with isolated showers. Mostly fair elsewhere. Some mist and fog patches forming towards the end of the period.
Forecast issued at: 06:00, Friday 21 August 2026
All times are local unless specified
