Sea Area Forecast

Forecast valid from: 17:30, Wednesday 09 September 2026 until 18:00, Thursday 10 September 2026

Small Craft Warning

1. Southerly winds will reach force 6 this evening (Wednesday) on Irish coasts from Mizen Head to Slyne Head to Bloody Foreland. 2. South to southwest winds will reach force 6 or higher tonight and tomorrow (Thursday) on all Irish coasts.

Gale Warning

Nil.

Meteorological Situation at 15:00 UTC

An anticyclone of 1024hPa centred northwest of Iberia extends a ridge of high pressure north over Ireland. Frontal troughs associated with a depression centred in the north mid-Atlantic approach the country from the west.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Roches Point to Slyne Head to Malin Head

Wind: South to southwest force 4 or 5. Imminently increasing south force 5 or 6. Soon increasing force 6 or 7. Later veering southwest to west force 4 to 6.

Weather: Cloudy or fair with isolated showers. Cloudy with rain imminent. Later cloudy to fair with scattered showers.

Visibility: Moderate or poor in precipitation. Otherwise good.

Forecast for Malin Head to Howth Head to Roches Point and for the Irish Sea

Wind: Anticyclonic force 2 to 4. Imminently increasing south to southwest force 4 or 5. Soon increasing force 5 or 6. Later increasing force 6 or 7. Decreasing southwest to west force 4 to 6 towards the end of the period.

Weather: Cloudy or fair with isolated showers. Soon cloudy with rain. Later cloudy to fair with scattered showers.

Visibility: Moderate or poor in precipitation. Otherwise good.

Outlook for a further 24 hours until 18:00, Friday 11 September 2026

Moderate to strong southwest to west winds, decreasing moderate to fresh westerly on Thursday night. Becoming light to moderate westerly or anticyclonic variable on Friday morning. Weather: Cloudy to fair with scattered showers, becoming isolated.

Forecast issued at: 17:30, Wednesday 09 September 2026

All times are local unless specified