Sea Area Forecast

Forecast valid from: 06:00, Sunday 09 November 2025 until 06:00, Monday 10 November 2025

Small Craft Warning

1. Southerly winds will reach force 6 or 7 this morning (Sunday) on Irish coasts from Slyne Head to Belfast Lough to Hook Head. 2. Southerly winds becoming southwest later will reach force 6 at times on Irish coasts from Carlingford Lough to Carnsore Point to Roches Point.

Gale Warning

Nil

Atlantic Swell

On western and southwestern coasts.

Meteorological Situation at 03:00 UTC

A broad low-pressure system of 985hPa centred to the south of Greenland in the North Atlantic generates a moderate to strong or near gale southerly airflow over Ireland. An associated cold front is clearing eastwards over the country this morning with further frontal troughs embedded in the flow.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea

Wind: Southerly force 5 to 7 and gusty, but southwest force 4 west of Hook Head. Imminent decreasing southerly or variable force 2 to 4, but continuing to reach force 5 or 6 locally on the Irish Sea. Occasionally increasing force 5 west of Roches Point soon also. Later increasing southwest force 3 to 5, occasionally force 6.

Weather: Rain and drizzle in the east clearing imminently followed by showers and fair weather. Cloud increasing from the south soon with further outbreaks or rain moving northwards. Mist and fog also.

Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.

Forecast for Irish coastal waters from Mizen Head to Loop Head to Erris Head

Wind: Southwest force 4 to 6. Imminent decreasing force 3 to 5. Soon decreasing southerly or variable force 2 to 4. Later increasing force 3 or 4, occasionally force 5

Weather: Rain and drizzle in the east clearing imminently followed by showers and fair weather. Cloud increasing from the south soon with further outbreaks or rain moving northwards. Mist and fog also.

Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.

Forecast for Irish coastal waters from Erris Head to Malin Head to Belfast Lough

Wind: Southerly force 5 to 7 and gusty, imminent decreasing southwest force 4 to 6. Soon decreasing force 3 or 4. Decreasing southeast or variable force 2 to 4 later.

Weather: Rain and drizzle in the east clearing imminently followed by showers and fair weather. Cloud increasing from the south soon with further outbreaks or rain moving northwards. Mist and fog also.

Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.

Outlook for a further 24 hours until 06:00, Tuesday 11 November 2025

Mainly moderate, occasionally fresh southerly winds. Winds backing southeast later and increasing fresh to near gale, with gales possible for a time locally in the southwest. Weather; Fair to cloudy with showers. Rain and drizzle becoming widespread from the southwest later.

Forecast issued at: 06:00, Sunday 09 November 2025

All times are local unless specified