Sea Area Forecast
Forecast valid from: 12:00, Thursday 14 August 2025 until 12:00, Friday 15 August 2025
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
A mostly light to moderate westerly or variable airflow covers Ireland between a depression of 1009hPa, centred in the mid North Atlantic, an anticyclone of 1020hPa, centred off the northwest coast of France and another depression of 1012hPa, centred in the North Sea. Weak frontal troughs are embedded in the flow.
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Valentia to Erris Head to Bloody Foreland
Wind: South or southwest or variable force 2 to 4. Soon decreasing southerly or variable force 3 or less. Later increasing northeasterly or variable force 2 to 4, strongest in the southwest.
Weather: Cloudy to fair with well scattered showers, some heavy. Mist and fog patches also.
Visibility: Reducing moderate or poor in showers, mist and fog, otherwise good.
Forecast for Irish coastal waters from Bloody Foreland to Fair Head to Strangford Lough and for the north Irish Sea
Wind: West or northwest or variable force 2 to 4, occasionally force 5 in the North Channel. Later becoming northwesterly force 3 or 4.
Weather: Cloudy to fair with well scattered showers, some heavy with a chance of isolated thunderstorms. Mist and fog patches also.
Visibility: Reducing moderate or poor in showers, mist and fog, otherwise good.
Forecast for Irish coastal waters from Strangford Lough to Carnsore Point to Valentia and for the south Irish Sea
Wind: West or southwest or variable force 2 to 4, occasionally force 5 in the south. Soon decreasing westerly or variable force 3 or less. Later increasing northerly or variable force 2 to 4 before increasing easterly force 4 or 5 between Carnsore Point and Valentia by the end of the period.
Weather: Cloudy to fair with well scattered showers, some heavy. Mist and fog patches also.
Visibility: Reducing moderate or poor in showers, mist and fog, otherwise good.
Outlook for a further 24 hours until 12:00, Saturday 16 August 2025
Moderate to fresh east or northeast winds in the south and southeast, increasing fresh to strong through Friday evening and night, possibly near gale force at times. Light to moderate northerly or variable winds elsewhere, increasing mostly moderate north to northeast winds Friday evening and night, increasing fresh in the west. Weather: Mainly fair with isolated showers along with mist and fog patches.
Forecast issued at: 12:00, Thursday 14 August 2025
All times are local unless specified
