Sea Area Forecast
Forecast valid from: 17:00, Wednesday 30 September 2026 until 18:00, Thursday 01 October 2026
Small Craft Warning
South to southwest, will reach force 6 or higher this evening on coasts from Roches Point to Erris Head to Howth Head, becoming confined to coasts from Valentia to Erris Head to Malin Head tonight.
South to southwest winds will increase to force 6 or higher during Thursday on coasts from Roches Point to Erris Head to Rossan Point.
Gale Warning
nil
Atlantic Swell
Developing on Atlantic coasts this evening (Wednesday).
Meteorological Situation at 15:00 UTC
A depression of 996hPa centred approximately 335 nautical miles northwest of Belmullet generates a fresh to near gale force southerly airflow over Ireland. The depression will track northwestwards over the west of Iceland, with its associated frontal trough approaching the west coast of Ireland towards the end of the period.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Mizen Head to Erris Head to Malin Head
Wind: South to southwest force 6 or 7, occasionally reaching gale force 8 from Slyne Head to Rossan Point. Decreasing force 5 to 7 imminent. Further decreasing southwesterly force 5 or 6 soon. Later increasing south to southwest force 5 to 7 and gusty.
Weather: Fair to cloudy with occasional showers, some thundery. Later becoming mainly cloudy with showery rain.
Visibility: Good, decreasing moderate or poor in rain or showers.
Forecast for Malin Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: South to southwest force 5 or 6, occasionally reaching force 7. Decreasing southwesterly force 4 to 6 and gusty imminent. Decreasing southwest force 4 for a time later , before increasing south to southwesterly force 5 or 6 and gusty.
Weather: Fair with scattered showers, some thundery. Mainly fair later.
Visibility: Good, decreasing moderate or poor in showers.
Outlook for a further 24 hours until 18:00, Friday 02 October 2026
Moderate to strong south to southwesterly winds, will reach near gale force at times. Winds will veer moderate westerly along Atlantic coasts later. Occasional rain or showers, some thundery.
Forecast issued at: 17:00, Wednesday 30 September 2026
All times are local unless specified
