Sea Area Forecast

Forecast valid from: 18:00, Saturday 06 December 2025 until 18:00, Sunday 07 December 2025

Small Craft Warning

1. Westerly winds will reach force 6 or higher at times this evening and early tonight on Irish coasts from Strangford Lough to Wicklow Head to Roches Point. 2. Southerly winds will reach force 6 at times tomorrow morning on Irish coasts from Valentia to Malin Head to Howth Head.

Gale Warning

Nil

Atlantic Swell

On western, southwestern and northwestern coasts for a time this evening and tonight.

Meteorological Situation at 15:00 UTC

A slowly filling depression of 983hPa centred approximately 210 nautical miles northwest of Erris Head maintains a mainly fresh to strong west to southwest airflow over Ireland, with moderate southwesterly airflow in northern areas.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Fair Head to Howth Head to Hook Head and for the Irish Sea

Wind: Southwest force 5 or 6, decreasing south to southwest force 4 or 5 imminent. Soon backing south to southeast. Later veering westerly and increasing force 6 at times.

Weather: Cloudy to fair with showers. Patches of drizzle and mist soon. Rain later, heavy at times.

Visibility: Moderate or poor in precipitation and mist. Otherwise good.

Forecast for Irish coastal waters from Hook Head to Slyne Head to Fair Head

Wind: Westerly force 4 or 5, backing southerly imminent. Soon occasionally reaching force 6. Later becoming west to southwest force 4 or 5, increasing force 6 at times by the end of the period.

Weather: Cloudy to fair with scattered showers. Rain, drizzle and mist soon. Fair with scattered showers later.

Visibility: Moderate or poor in precipitation and mist. Otherwise good.

Outlook for a further 24 hours until 18:00, Monday 08 December 2025

Fresh to near gale force south to southwest winds, decreasing moderate to strong on Sunday morning. Weather: Cloudy to fair with scattered showers, some heavy with a chance of hail and isolated thunderstorms.

Forecast issued at: 18:00, Saturday 06 December 2025

All times are local unless specified