Sea Area Forecast
Forecast valid from: 06:00, Wednesday 30 September 2026 until 06:00, Thursday 01 October 2026
Small Craft Warning
1. South to southeast winds, becoming south to southwest, will reach force 6 this morning (Wednesday) on all Irish coasts, becoming confined to coasts from Valentia to Malin Head to Carnsore Pt in the afternoon
2. south to southwest winds will reach force 6 or higher this evening (Wednesday) and overnight on coasts from Valentia to Slyne Head to Malin Head this evening and tonight
Gale Warning
Southerly winds will occasionally reach gale force 8 this afternoon (Wednesday) on coasts from Slyne Head to Erris Head to Rossan Pt.
Atlantic Swell
Developing on Atlantic coasts this evening
Meteorological Situation at 03:00 UTC
A depression of 963 hPa 350 nautical miles west-northwest of Belmullet, maintains a fresh to strong southerly airflow over Ireland. Associated fronts over east Leinster and Ulster clear to the northeast.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Bloody Foreland to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: South to southeast force 5 to 7, later decreasing south to southwest force 4 or 5 and continuing to reach force 6 between Bloody Foreland and Malin Head
Weather: Scattered showers with a chance of isolated thunderstorms in the north.
Visibility: Moderate or poor in rain or showers, otherwise good
Forecast for Carnsore Point to Roches Point to Valentia
Wind: South to southwest force 5 to 7, soon decreasing southwesterly force 4 or 5
Weather: Occasional showers with a chance of isolated thunderstorms
Visibility: Good, decreasing moderate or poor in showers
Forecast for Valentia to Slyne Head to Bloody Foreland
Wind: Southerly force 6 or 7 and gusty, soon becoming south to southwest and occasionally reaching gale force 8 for a time between Slyne Head and Rossan Pt, later decreasing southwesterly force 5 or 6
Weather: Occasional showers with a chance of isolated thunderstorms
Visibility: Good, decreasing moderate or poor in showers
Outlook for a further 24 hours until 06:00, Friday 02 October 2026
Moderate to fresh southwesterly winds, increasing mostly fresh and occasionally strong on Thursday afternoon and evening. Scattered showers in the west and south. More persistent rain spreading eastwards later on Thursday.
Forecast issued at: 06:00, Wednesday 30 September 2026
All times are local unless specified
