Sea Area Forecast

Forecast valid from: 00:00, Monday 01 September 2025 until 00:00, Tuesday 02 September 2025

Small Craft Warning

Southwest to west winds will reach force 6 or higher at times tonight (Sunday night) and tomorrow on all Irish coasts, becoming confined to coasts from Erris Head to Bloody Foreland to Fair Head tomorrow evening.

Gale Warning

Nil

Atlantic Swell

Nil.

Meteorological Situation at 21:00 UTC

A depression of 978hPa, centred approximately 120 nautical miles northwest of Malin Head, maintains a strong to near gale force cyclonic airflow over Ireland. An associated occlusion tracks eastwards over Ireland.

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 southwest force 5 or 6 and gusty. Imminently veering southwest to west.

Weather: Cloudy or fair with scattered showers.

Visibility: Mostly good but decreasing moderate or poor in showers.

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

Wind: South to southwest force 5 to 7 and gusty. Imminently decreasing force 4 to 6 and gusty.

Weather: Cloudy or fair with scattered showers, becoming isolated later.

Visibility: Mostly good but decreasing moderate or poor in showers.

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

Wind: Southwest to west force 5 to 7 and gusty. Soon decreasing force 5 or 6. Later decreasing force 3 to 5.

Weather: Cloudy or fair with scattered showers, becoming isolated later.

Visibility: Mostly good but decreasing moderate or poor in showers.

Outlook for a further 24 hours until 00:00, Wednesday 03 September 2025

Moderate to strong southwest to west winds, easing light to moderate and becoming variable in the east and south. Fresh southeasterly winds developing in the south and southwest later. Weather: Cloudy or fair with scattered showers. Rain in the southwest later.

Forecast issued at: 00:00, Monday 01 September 2025

All times are local unless specified