Sea Area Forecast
Forecast valid from: 12:00, Tuesday 12 August 2025 until 12:00, Wednesday 13 August 2025
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
Ireland lies in a light easterly or variable airflow with an anticyclone of 1025hPa centred over the Eastern Europe. A shallow depression of 1009hPa with associated fronts is slowly approaching from the southwest.
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Slyne Head to Rossan Point to Malin Head
Wind: Variable force 3 or less. Imminent increasing northeast force 2 to 4. Later becoming southeast or cyclonic variable and occasionally reaching force 5 towards the end of the period.
Weather: Mainly fair, apart for isolated showers. Mist and fog patches.
Visibility: Reducing moderate or poor in showers, mist and fog; otherwise good.
Forecast for Irish coastal waters from Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Easterly force 2 to 4, occasionally reaching force 5 in the Irish Sea. Soon becoming southerly or cyclonic variable. Later increasing force 3 or 4, occasionally force 5.
Weather: Mainly fair, apart for isolated showers. Mist and fog patches.
Visibility: Reducing moderate or poor in showers, mist and fog; otherwise good.
Forecast for Irish coastal waters from Carnsore Point to Mizen Head to Slyne Head
Wind: Easterly or variable force 2 to 4. Soon becoming southwest to west and occasionally touching force 5. Later becoming southerly.
Weather: Mainly fair today, apart from isolated showers. Patchy rain and drizzle along with areas of mist and fog developing tonight. Rain or showers extending from the southwest on Wednesday morning, with isolated thunderstorms possible.
Visibility: Reducing moderate or poor in precipitation, mist and fog; otherwise good.
Outlook for a further 24 hours until 12:00, Thursday 14 August 2025
Mainly light to moderate southerly winds, increasing fresh at times in the east and north. Winds becoming mainly south to southwest early on Thursday. Weather; Showers extending northeastwards, with isolated thunderstorms possible. Mist and fog patches also.
Forecast issued at: 12:00, Tuesday 12 August 2025
All times are local unless specified
