Sea Area Forecast
Forecast valid from: 23:30, Thursday 03 September 2026 until 00:00, Saturday 05 September 2026
Small Craft Warning
Southwest to west winds will reach force 6 or higher tonight (Thursday night) and tomorrow morning (Friday) on all Irish coasts, becoming confined to coasts from Rossan Point to Fair Head to Carlingford Lough by the end of the period.
Gale Warning
Southwest to west winds will reach gale force at times tonight (Thursday night) and tomorrow morning (Friday) on Irish coastal waters from Erris Head to Bloody Foreland to Fair Head.
Meteorological Situation at 21:00 UTC
A depression of 986hPa centred to the south of Iceland generates a strong southwesterly airflow over Ireland. A cold front moves southeastwards over the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Erris Head to Bloody Foreland to Fair Head
Wind: Southwest to west force 5 or 6 and gusty, imminently increasing force 6 to gale force 8. Soon decreasing west force 6 or 7. Later decreasing force 5 or 6.
Weather: Fair with scattered showers, becoming isolated later.
Visibility: Mostly good. Decreasing moderate in showers.
Forecast for Fair Head to Carlingford Lough to Wicklow Head and for the North Irish Sea
Wind: Southwest to west force 3 to 5, imminently increasing force 5 or 6. Soon increasing force 5 to 7.
Weather: Cloudy with rain, drizzle and mist in southern areas, fair with scattered showers further north. Fair with scattered showers imminent, becoming isolated later.
Visibility: Moderate or poor in precipitation and mist. Becoming mostly good, but decreasing moderate in showers.
Forecast for Wicklow Head to Mizen Head to Erris Head and for the South Irish Sea
Wind: Southwest to west force 5 to 7 and gusty. Soon decreasing west force 5 or 6. Later decreasing mainly force 3 to 5, but remaining force 5 or 6 on the south Irish Sea.
Weather: Cloudy with rain, drizzle and mist. Fair with isolated showers imminent.
Visibility: Moderate or poor in precipitation and mist. Becoming mostly good, but decreasing moderate in showers.
Outlook for a further 24 hours until 00:00, Sunday 06 September 2026
Moderate to strong westerly winds, decreasing light to moderate southwest to west Saturday morning. Moderate to strong southerly winds developing during Saturday. Weather: Cloudy to fair with isolated showers. Outbreaks of rain developing in the southwest on Saturday morning, moving northeast through the day.
Forecast issued at: 23:30, Thursday 03 September 2026
All times are local unless specified
