Sea Area Forecast
Forecast valid from: 12:00, Friday 28 August 2026 until 12:00, Saturday 29 August 2026
Small Craft Warning
1. Northwest winds will reach force 6 at times today (Friday) on Irish coasts from Fair Head and Strangford Lough.
2. Northwest to west winds will reach force 6 or higher at times tomorrow (Saturday) on Irish coasts from Carnsore Point to Roches Point to Valentia.
Gale Warning
Nil.
Meteorological Situation at 09:00 UTC
A depression of 998hPa centred to the northeast of the UK generates a light to moderate cyclonic airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Northwesterly force 2 to 4, backing southerwest force 3 to 5 imminent, and occasionally force 6. Soon easing westerly or vairable force 2 to 4. Later becoming east to southeast force 3 to 5.
Weather: Mostly fair with scattered showers, heavy at times.
Visibility: Reducing moderate or poor in precipitation, otherwise good.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Northwest force 2 to 4, increasing west force 3 to 5 imminent. Soon becoming southwesterly or cyclonic variable force 3 to 5. Later increasing northerly or cyclonic variable force 4 to 6, and occasionally force 7. Decreasing northwesterly force 4 to 6 by the end of the period.
Weather: Cloudy to fair with scattered showers. Rain developing soon, heavy and persistent at times.
Visibility: Reducing moderate or poor in precipitation, otherwise good.
Forecast for Valentia to Slyne Head to Malin Head
Wind: North to northwest force 2 to 4. Soon becoming cyclonic variable force 3 or less. Later increasing north to northwest force 3 to 5.
Weather: Mostly cloudy with scattered showers, rain and drizzle developing later.
Visibility: Reducing moderate or poor in precipitation, otherwise good.
Outlook for a further 24 hours until 12:00, Sunday 30 August 2026
Light to moderate cyclonic winds will increase moderate to fresh from the south on Saturday evening. Northwesterly winds will increase strong and gusty for a time along southern coasts on Saturday evening. Weather: Cloudy to fair with showery spells of rain, heavy and persistent at times with the chance of isolated thunderstorms.
Forecast issued at: 12:00, Friday 28 August 2026
All times are local unless specified
