Sea Area Forecast
Forecast valid from: 12:00, Wednesday 12 August 2026 until 12:00, Thursday 13 August 2026
Small Craft Warning
nil
Gale Warning
nil
Meteorological Situation at 09:00 UTC
Ireland lies in a light to fresh southerly airflow between an anticyclone of 1030hPa centred over continental Europe and a depression of 996hPa centred over the Atlantic south of Iceland. Associated weather fronts lie to the west of the country.
Heavy Swell (>4m) : No
Forecast for Mizen Head to Erris Head to Malin Head
Wind: Southerly force 3 or 4, occasionally force 5.
Weather: Isolated showers. Later becoming scattered with some heavy and isolated thunderstorms possible. Some mist and fog patches later.
Visibility: Good, reducing moderate or poor in any precipitation or mist and fog.
Forecast for Malin Head to Belfast Lough to Howth Head and for the North Irish Sea
Wind: Southeasterly or variable force 3 or 4, occasionally force 5. Soon becoming southerly or variable force 2 to 4. Later becoming southwesterly or variable force 3 or less.
Weather: Cloudy to fair. Some mist and fog patches later.
Visibility: Good, reducing moderate or poor in any mist and fog.
Forecast for Howth Head to Carnsore Point to Mizen Head and for the South Irish Sea
Wind: Southwesterly or variable force 2 to 4.
Weather: Cloudy to fair. Some mist and fog patches later.
Visibility: Good, reducing moderate or poor in any mist and fog.
Outlook for a further 24 hours until 12:00, Friday 14 August 2026
Light to moderate, occasionally fresh, southwesterly winds will gradually veer northwesterly through the period. Weather: Cloudy to fair with scattered showers in the west and north, some of which will be heavy with isolated thunderstorms possible.
Forecast issued at: 12:00, Wednesday 12 August 2026
All times are local unless specified
