Sea Area Forecast
Forecast valid from: 05:00, Sunday 27 September 2026 until 06:00, Monday 28 September 2026
Small Craft Warning
South to southeast or cyclonic variable winds, becoming westerly, will reach force 6 or higher at times on all Irish coasts this morning and early afternoon, becoming confined to northern coasts from later in the afternoon and continuing for a time there in the evening.
Gale Warning
Southeast to south or cyclonic variable winds, will reach gale force 8 at times on Sunday morning and early afternoon on Irish coastal waters from Fair Head to Wicklow Head to Mizen Head and on the Irish Sea.
Meteorological Situation at 03:00 UTC
Ireland lies in a fresh to near gale force southerly airflow, with low pressure of 987hPa centred to the south of Iceland and a small scale area of low pressure of 1003hPa centred 110 nautical miles to the south of Mizen Head. Frontal troughs are moving into Ireland from the west and south.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Carnsore Point to Roches Point to Mizen Head
Wind: Southeasterly or cyclonic variable, force 6 to gale force 8, veering westerly imminent and decreasing force 4 to 6. Soon decreasing force 4 or 5. Later decreasing southwesterly or variable force 2 to 4.
Weather: Cloudy with heavy rain, possible isolated thunderstorms and occasional mist. Becoming cloudy to fair imminent with isolated showers.
Visibility: Decreasing moderate to poor in precipitation and mist. Otherwise good.
Forecast for Mizen Head to Erris Head to Malin Head
Wind: Becoming westerly imminent force 5 or 6 and occasionally gusty. Soon decreasing mostly force 4 or 5. Later backing southwesterly, occasionally force 6 in the northwest.
Weather: Cloudy with rain, heavy at times, with possible isolated thunderstorms. Isolated mist. Becoming cloudy to fair imminent, with scattered showers, some heavy in the northwest.
Visibility: Decreasing moderate to poor in precipitation and mist. Otherwise good.
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: South or southeast force 6 or 7 and occasionally gusty, reaching gale force 8 imminent between Fair Head and Carnsore Point and on the Irish Sea. Veering west to southwest west of Fair Head imminent and decreasing force 4 or 5. Soon veering westerly force 4 to 6. Later decreasing southwest force 3 to 5.
Weather: Cloudy with heavy rain, possible isolated thunderstorms and isolated mist. Soon becoming cloudy to fair with well scattered showers, mainly in the north and northeast, some heavy.
Visibility: Decreasing moderate to poor in precipitation and mist. Otherwise good.
Outlook for a further 24 hours until 06:00, Tuesday 29 September 2026
Wind: Moderate to fresh southerly winds in the west and north, light to moderate southerly in the east and south. Backing southeasterly through Monday and increasing moderate to fresh, strong in western sea areas. Further increasing fresh to strong on Monday night, reaching near gale force in western sea areas and gale force in the southwest. Weather: Cloudy to fair with well scattered showers, mainly in the west and north. Rain and drizzle moving into the south and southwest on Monday night, along with isolated mist.
Forecast issued at: 05:00, Sunday 27 September 2026
All times are local unless specified
