Réamhaisnéis limistear na farraige
Forecast valid from: 05:00, Wednesday 21 January 2026 until 06:00, Thursday 22 January 2026
Small Craft Warning
Cyclonic variable winds will reach force 6 or higher today (Wednesday) on all Irish coasts, becoming confined to coasts between Bloody Foreland and Carlingford Lough and coasts between Roches Head and Loop Head tonight.
Gale Warning
1. Easterly winds will reach gale force this morning (Wednesday) on Irish coastal waters from Carnsore Point to Roches Point to Valentia. 2. Northwest winds will reach gale force at times this evening on Irish coastal waters from Mizen head to Valentia to Loop Head.
Atlantic Swell
At times on southwest coasts tonight (Tuesday night) and on Atlantic coasts from Wednesday night.
Meteorological Situation at 03:00 UTC
Ireland lies in a strong southeast to south airflow with a complex area of low pressure to the west. Associated occlusions move over the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Erris Head to Belfast Lough to Carnsore Point and for the Irish Sea
Wind: Southeast force 4 to 6 and gusty. Imminently backing east to southeast force 5 to 7, possibly touching gale force 8 at times on the Irish Sea. Later decreasing force 4 to 6, and becoming cyclonic variable force 2 to 4 south of Bloody Foreland.
Weather: Cloudy or fair with scattered showers. Cloudy with rain and mist imminent.
Visibility: Moderate or poor in precipitation and mist.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: East to southeast force 6 to gale force 8 and gusty. Imminently becoming cyclonic force 4 to 6. Soon becoming northwest force 6 to gale force 8 west of Mizen Head. Later becoming mainly northwest force 5 to 7.
Weather: Rain, heavy at times. Imminently clearing to scattered showers. Patches of mist.
Visibility: Moderate or poor in precipitation and mist.
Forecast for Valentia to Slyne Head to Erris Head
Wind: East to southeast force 5 to 7 and gusty. Imminently backing northeast to east. Soon becoming cyclonic force 5 to 7, occasionally increasing northwest gale force 8 south of Loop Head. Later becoming northwest force 4 to 6, occasionally force 7 south of Loop Head. Becoming variable force 3 or less north of Loop Head at the end of the period.
Weather: Cloudy with rain and mist.
Visibility: Moderate or poor in precipitation and mist.
Outlook for a further 24 hours until 06:00, Friday 23 January 2026
Mostly fresh to near gale force cyclonic winds, occasionally decreasing light to moderate. Weather: Showers or longer spells of rain. Becoming fair with isolated showers in southern areas for a time, before further rain moves in at the end of the period.
Forecast issued at: 05:00, Wednesday 21 January 2026
All times are local unless specified
