Sea Area Forecast
Forecast valid from: 11:00, Thursday 27 August 2026 until 12:00, Friday 28 August 2026
Small Craft Warning
nil
Gale Warning
nil
Meteorological Situation at 09:00 UTC
A complex area of low pressure, extends from Biscay, and will move over Ireland today in a slackening airflow, with central pressure of 1005 hPa in the Irish Sea tonight. Associated frontal troughs will affect the east and south.
Heavy Swell (>4m) : No
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Variable force 3 or less imminent. Soon becoming west to northwest force 3. Veering northwest force 3 or 4 later and backing westerly by the end of the period.
Weather: Cloudy with outbreaks of rain, heavy at times with thunderstorms. Some mist and fog patches. Becoming cloudy to fair later.
Visibility: Decreasing moderate or poor in precipitation, mist and fog.
Forecast for Valentia to Erris Head to Malin Head
Wind: East to northeast force 3 to 5. Soon becoming northerly force 3 or 4, and backing northwest later.
Weather: Cloudy to fair with scattered showers, heavy at times with thunderstorms. Patches of mist and fog also.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Forecast for Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: East to northeast force 3 or 4. Decreasing northeasterly or variable force 2 to 4 imminent. Soon becoming cyclonic variable force 3 to 5. Later becoming mainly northwest force 3 to 5.
Weather: Cloudy with outbreaks of rain, heavy at times with thunderstorms. Patches of mist and fog also. Becoming mostly cloudy to fair by the end of the period.
Visibility: Decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 12:00, Saturday 29 August 2026
Light to moderate, occasionally fresh to strong, west to northwesterly winds at first. Winds becoming light to fresh southwest or variable on western, southern and southeastern coasts for a time. Later, winds increasing fresh to near gale force cyclonic on southern coasts, and light to moderate variable elsewhere. Cloudy to fair with scattered showers at first, before further spells of rain spread from the Atlantic.
Forecast issued at: 11:00, Thursday 27 August 2026
All times are local unless specified
