Sea Area Forecast

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

Small Craft Warning

Southerly winds will reach force 6 or 7 at times overnight on Irish coasts from Erris Head to Howth Head to Mizen Head becoming confined to Irish coasts from Malin Head to Howth Head to Hook Head on Sunday morning.

Gale Warning

Nil

Atlantic Swell

On western and southwestern coasts.

Meteorological Situation at 21:00 UTC

A broad low-pressure system of 980hPa centred to the south of Greenland in the North Atlantic generates a fresh to near gale southerly airflow over Ireland. Associated fronts are tracking over the country tonight.

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Erris Head to Bloody Foreland to Fair Head

Wind: South to southeast force 5 to 7 and gusty, imminent decreasing southerly force 4 to 6. Soon veering southwest force 4 or 5. Gradually decreasing southerly or variable force 2 or 3 later.

Weather: Cloudy with rain and drizzle clearing northeastwards soon followed by showers and fair conditions. Cloud increasing from the south again later with outbreaks of rain and drizzle developing. Mist and fog patches also.

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

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

Wind: Southerly force 5 or 6, imminent increasing force 5 to 7 and gusty. Soon veering southwest and decreasing force 3 or 4, but continuing to reach force 5 or 6 for a time on the east Irish Sea. Later decreasing southerly or variable force 2 to 4 for a time before increasing southerly force 4 or 5 south of Howth Head and on the Irish Sea.

Weather: Cloudy with rain and drizzle clearing northeastwards soon followed by showers and fair conditions. Cloud increasing from the south again later with outbreaks of rain and drizzle developing. Mist and fog patches also.

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

Forecast for Irish coastal waters from Carnsore Point to Roches Point to Mizen Head

Wind: Southerly force 6 or 7. Imminent veering southwest force 4 to 6 strongest east of Hook Head. Soon decreasing southwest or variable force 2 to 4. Later increasing force 3 to 5 towards the end of the period.

Weather: Cloudy with rain and drizzle clearing northeastwards soon followed by showers and fair conditions. Cloud increasing from the south again later with outbreaks of rain and drizzle developing. Mist and fog patches 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. Soon decreasing force 3 to 5. Later decreasing southerly or variable force 2 to 4.

Weather: Cloudy with rain and drizzle clearing northeastwards soon followed by showers and fair conditions. Cloud increasing from the south again later with outbreaks of rain and drizzle developing. Mist and fog patches also.

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

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

Light to moderate southerly winds on western and northern coasts with moderate to fresh, occasionally strong southwesterly winds on southern and eastern coasts early on Monday. Winds becoming mainly moderate occasionally fresh southerly for a time during Monday before backing southeast along western and southern coasts on Monday night and increasing fresh to strong or near gale with gales possible in the southwest by the end of the period. Weather; Rain, drizzle and mist clearing northeastwards early on Monday following by showers. Rain and drizzle spreading from the southwest towards the end of the period.

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

All times are local unless specified