Sea Area Forecast
Forecast valid from: 05:25, Tuesday 22 September 2026 until 06:00, Wednesday 23 September 2026
Small Craft Warning
Nil.
Gale Warning
Nil
Meteorological Situation at 03:00 UTC
Ireland lies in a moderate to fresh southwest airflow between an anticyclone of 1032hPa centred northwest of France and a depression of 983hPa centred west of Iceland.
Heavy Swell (>4m) : No
Forecast for Valentia to Erris Head to Fair Head
Wind: Southerly force 3 to 5. Imminently decreasing variable force 2 to 4. Later becoming northwest to north force 2 to 4.
Weather: Mostly cloudy with outbreaks of rain or drizzle and patches of mist or fog. Later fair with isolated showers.
Visibility: Moderate or poor in precipitation, mist and fog. Mostly good later.
Forecast for Fair Head to Wicklow Head to Valentia and for the Irish Sea
Wind: South to southwest force 2 to 4. Later increasing force 3 to 5. Veering northwest north of Strangford Lough at the end of the period.
Weather: Mostly cloudy with mist, fog and scattered drizzle.
Visibility: Decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 06:00, Thursday 24 September 2026
Mainly moderate to fresh cyclonic winds, becoming northwest to north on Wednesday morning and increasing strong at times in the east. Winds will ease light to moderate anticyclonic variable for a time, then moderate to strong southerly winds will develop on Wednesday evening and night, increasing near gale force in the west. Weather: Cloud, rain and mist in the south and east clearing. Becoming fair with isolated showers. Rain in the northwest Wednesday night.
Forecast issued at: 05:25, Tuesday 22 September 2026
All times are local unless specified
