Sea Area Forecast
Forecast valid from: 11:00, Thursday 15 October 2026 until 12:00, Friday 16 October 2026
Small Craft Warning
1) South to southwest winds will reach force 6 or higher at first this afternoon on Irish coasts from Wicklow Head to Carnsore Point to Hook Head.
2) Southwest to west winds will occasionally reach force 6 or 7 this afternoon and evening on Irish coasts from Slyne Head to Erris Head to Malin Head.
3) West to northwesterly winds will occasionally reach force 6 or 7 on Irish coasts from Mizen Head to Erris Head to Fair Head tonight.
Gale Warning
Nil
Atlantic Swell
On southwestern, western and northern coasts today and for a time tonight.
Meteorological Situation at 09:00 UTC
Ireland lies in a slackening westerly airflow, as a cold front in the southeast of Ireland, associated with a mature storm depression of 950 haPa centred northeast of Iceland, clears southeastwards this morning. A showery trough will move into the northwest tonight. High pressure in the south mid-Atlantic will build northeastwards with a moderate northerly airflow developing over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea
Wind: South to southwest force 5 or 6 and gusty in the southeast and south Irish Sea at first. Otherwise, west to northwest or northwest force 4. Soon becoming west to northwest force 4 or 5.
Weather: Cloudy with rain, heavy at times. Occasional mist. Rain and mist clearing southeastwards imminent and soon, with fair weather and isolated showers following.
Visibility: Moderate to poor in precipitation and mist. Otherwise good.
Forecast for Mizen Head to Loop Head to Erris Head
Wind: Westerly force 4 or 5. Soon increasing force 5 or 6, occasionally force 7, and gusty at times. Later becoming west to northwest. Becoming northwest force 5 by the end of the period.
Weather: Cloudy to fair with isolated showers. Fair soon and later with scattered squally showers, some heavy, with the chance of isolated thunder.
Visibility: Moderate to poor in precipitation and mist. Otherwise good.
Forecast for Erris Head to Rossan Point to Belfast Lough
Wind: Southwest to west force 4 to 6, occasionally force 7, and gusty at times. Veering west to northwest force 5 or 6, occasionally force 7, and gusty at times. Becoming west to northwest force 4 to 6 by the end of the period.
Weather: Fair with scattered squally showers, some heavy, with the chance of thunder.
Visibility: Mostly good. Decreasing moderate to poor in showers.
Outlook for a further 24 hours until 06:00, Saturday 17 October 2026
Moderate to fresh, occasionally strong, north to northwest winds, becoming moderate northeasterly in the east and light to moderate variable in the west. Winds becoming light to moderate anticyclonic variable later. Isolated showers soon dying out and becoming mostly fair.
Forecast issued at: 11:00, Thursday 15 October 2026
All times are local unless specified
