Sea Area Forecast
Forecast valid from: 05:30, Thursday 09 April 2026 until 06:00, Friday 10 April 2026
Small Craft Warning
1. Westerly winds will reach force 6 or higher today (Thursday) on all Irish coasts. 2. Southerly winds will reach force 6 tonight (Thursday night) on Irish coasts from Mizen Head to Slyne Head to Rossan Point.
Gale Warning
Nil
Atlantic Swell
Developing on Atlantic coasts Thursday afternoon.
Meteorological Situation at 03:00 UTC
Ireland lies in a fresh to strong southwesterly airflow with a depression of 974hPa centred to the southwest of Iceland. The associated cold front tracks eastwards over the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Mizen Head to Erris Head to Malin Head
Wind: Westerly force 5 to 7 and gusty. Later decreasing force 4 to 6. Backing southerly force 5 or 6 towards the end of the period.
Weather: Cloudy to fair with scattered showers, some heavy with hail and isolated thunderstorms possible. Later cloudy with rain or drizzle.
Visibility: Reducing moderate or poor in precipitation.
Forecast for Malin Head to Strangford Lough to Carnsore Point and for the Irish Sea
Wind: South to southwest force 4 or 5 and gusty. Imminently veering west and increasing force 5 to 7 and gusty. Later decreasing force 3 to 5 and becoming anticyclonic variable.
Weather: Cloudy with rain, drizzle and mist. Cloudy to fair with scattered showers imminent, some heavy with hail and isolated thunderstorms possible.
Visibility: Reducing moderate or poor in precipitation and mist.
Forecast for Carnsore Point to Dungarvan to Mizen Head
Wind: Westerly force 5 or 6 and gusty. Later becoming anticyclonic variable force 3 to 5. Becoming southerly force 4 or 5 towards the end of the period.
Weather: Cloudy with rain, drizzle and mist. Cloudy to fair with scattered showers imminent, some heavy with hail and isolated thunderstorms possible. Later cloudy with light rain or drizzle.
Visibility: Reducing moderate or poor in precipitation and mist.
Outlook for a further 24 hours until 06:00, Saturday 11 April 2026
Strong to gale force southerly winds developing in all areas on Friday, increasing strong gale force at times in the west and north. Veering southwest to west on Friday night and decreasing fresh to near gale force. Weather: Rain followed by showers, heavy and squally at times.
Forecast issued at: 05:30, Thursday 09 April 2026
All times are local unless specified
