Sea Area Forecast

Forecast valid from: 06:00, Thursday 06 August 2026 until 06:00, Friday 07 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 03:00 UTC

Ireland lies in a mostly moderate to fresh west to northwest airflow generated by a depression of 1000hPa, centred over Norway, and an anticyclone of 1026hPa, centred to the southwest.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea

Wind: Decreasing westerly force 3 to 5 imminent. Soon backing southwesterly. Later increasing force 4 to 6, strongest in the northwest.

Weather: Cloudy to fair with well scattered showers.

Visibility: Good, decreasing moderate or poor in showers.

Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea

Wind: Decreasing westerly or variable force 2 to 4 imminent. Soon increasing southwesterly force 3 to 5. Later decreasing westerly or variable force 2 to 4.

Weather: Cloudy to fair with isolated showers.

Visibility: Good, decreasing moderate or poor in showers.

Outlook for a further 24 hours until 06:00, Saturday 08 August 2026

Fresh to strong southwesterly winds in the northwest and north. Light to moderate, westerly or variable winds elsewhere, backing south or southwest through Friday and increasing mostly moderate to fresh, occasionally strong. Weather: Cloudy to fair with occasional showers. Showery rain in the southwest and west later.

Forecast issued at: 06:00, Thursday 06 August 2026

All times are local unless specified