Sea Area Forecast
Forecast valid from: 18:00, Monday 15 December 2025 until 18:00, Tuesday 16 December 2025
Small Craft Warning
Southwesterly winds will occasionally reach force 6 on Irish coasts from Slyne Head to Rossan Point to Malin Head through the period.
Gale Warning
Meteorological Situation at 15:00 UTC
A mostly light to moderate westerly airflow covers Ireland, fresher in the northwest, generated by a depression of 972hPa, centred south of Iceland and an Azores high of 1029hPa. A frontal trough lies to east of Ireland is clearing.
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Valentia to Erris Head to Fair Head
Wind: West or southwest force 4 or 5 and gusty, reaching force 6 at times in the northwest. Later increasing southwesterly force 5 or 6 and gusty.
Weather: Mostly fair with well scattered showers, becoming isolated later.
Visibility: Mostly good, occasionally moderate.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Westerly or variable force 2 to 4. Soon gusting force 5 at times in the southwest and northeast. Later increasing southwesterly force 3 to 5, slackest in the southeast.
Weather: Mostly fair with isolated showers. Chance of coastal mist and fog.
Visibility: Mostly good, occasionally moderate or poor.
Outlook for a further 24 hours until 18:00, Wednesday 17 December 2025
South to southwest winds increasing strong to gale force Tuesday night, possibly reaching strong gale force at times in the west and northwest. Winds will become southwesterly and ease fresh to near gale force Wednesday afternoon. Weather: Turning cloudy with outbreaks of rain extending eastwards Tuesday night, becoming confined to the southeast by the end of the period with fair spells and scattered showers or longer spells of rain following with a chance of hail and isolated thunderstorms.
Forecast issued at: 18:00, Monday 15 December 2025
All times are local unless specified
