Sea Area Forecast

Forecast valid from: 18:00, Saturday 13 December 2025 until 18:00, Sunday 14 December 2025

Small Craft Warning

South to southwest winds will reach force 6 or higher on all Irish coasts during the period.

Gale Warning

South to southwest winds will continue to reach gale force 8 this evening and early tonight (Saturday) on all Irish coastal waters and on the Irish Sea, becoming confined to Irish coastal waters from Fair Head to Wicklow Head to Valentia and on the Irish Sea later tonight and tomorrow (Sunday).

Atlantic Swell

on Atlantic coasts.

Meteorological Situation at 15:00 UTC

Low Pressure of 968hPa centred south of Iceland extends a strong to gale force southwesterly air-flow over Ireland, frontal troughs are embedded in the flow.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Fair Head to Carnsore Point to Valentia and for the Irish Sea

Wind: South to southwest force 7 or gale force 8.

Weather: Outbreaks of rain and drizzle. Areas of mist and fog.

Visibility: Moderate or poor.

Forecast for Irish coastal waters from Valentia to Rossan Point to Fair Head

Wind: South to southwest force 7 or gale force 8. Decreasing south to southwest force 6 or 7 imminent. Veering west force 3 to 5 early on Sunday night.

Weather: Outbreaks of rain and drizzle. Areas of mist and fog.

Visibility: Moderate or poor.

Outlook for a further 24 hours until 18:00, Monday 15 December 2025

Strong to gale force south to southwest winds, will veer west to northwest on Sunday night and decrease moderate to fresh in strength. On Monday, there'll be moderate northwest winds on eastern and southern coastal waters and fresh southwest winds on western and northern sea areas. Weather: rain clearing eastwards on Sunday night and Monday morning to leave a mix of clear spells and showers.

Forecast issued at: 18:00, Saturday 13 December 2025

All times are local unless specified