Sea Area Forecast
Forecast valid from: 06:00, Thursday 28 August 2025 until 06:00, Friday 29 August 2025
Small Craft Warning
Southwest to west winds will increase to force 6 or higher on all Irish coasts for a time later today (Thursday).
Gale Warning
Nil
Atlantic Swell
Yes
Meteorological Situation at 03:00 UTC
Low pressure of 985hPa centered off the northwest coast of Ireland extends a moderate to strong west to southwest airflow over the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Roche's Point to Slyne Head to Malin Head
Wind: Westerly force 5 or 6, reaching force 7 and gusty at times. Later veering west to northwest force 5 or 6 by end of the period.
Weather: Rain, heavy at times in the west and northwest with scattered showers elsewhere. Isolated thunderstorms possible.
Visibility: Moderate or poor in all precipitation, otherwise good.
Forecast for Irish coastal waters from Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: South to southwest force 4 or 5, soon increasing to force 5 or 6. Later easing southwesterly force 4 or 5, and veering westerly force 3 or 4 by end of period.
Weather: Rain, heavy at times in the north with scattered showers elsewhere. Isolated thunderstorms possible.
Visibility: Moderate or poor in all precipitation, otherwise good.
Forecast for Irish coastal waters from Carnsore Point to Hook Head to Roche's Point
Wind: Westerly force 4 or 5, soon increasing to force 6 at times. Later veering northwesterly force 4 or 5.
Weather: Cloudy with scattered showers or longer spells of rain, heavy at times.
Visibility: Moderate or poor in all precipitation, otherwise good.
Outlook for a further 24 hours until 06:00, Saturday 30 August 2025
Fresh to strong northwesterly winds will reach near gale and gusty at times along the southwest coast on Friday morning, with a mostly moderate to fresh westerly wind elsewhere. Winds will ease moderate to fresh along all Irish coasts by Friday afternoon. Westerly winds strengthen fresh to strong along south and west Atlantic coasts by Saturday morning. Weather: Scattered showers and sunny spells, heavy at times in the north and northwest.
Forecast issued at: 06:00, Thursday 28 August 2025
All times are local unless specified
