Réamhaisnéis limistear na farraige

Forecast valid from: 18:00, Friday 31 July 2026 until 18:00, Saturday 01 August 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 15:00 UTC

Ireland lies in a mostly moderate to fresh westerly airflow between an anticyclone of 1027hPa, centred south of Greenland, and a depression of 998hPa centred between Iceland and Norway.

Heavy Swell (>4m) : No

Wave Height Forecast

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

Wind: Westerly mainly force 4 or 5, occasionally force 3. Later decreasing force 3 or 4. Increasing southwesterly force 4 or 5 south of Belfast Lough and on the south Irish Sea by the end of the period.

Weather: Cloudy to fair with well scattered showers, some heavy. Showers will become isolated soon.

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

Forecast for Howth Head to Dungarvan to Loop Head and for the South Irish Sea

Wind: Decreasing west to northwest force 3 or 4 imminent, occasionally force 5. Soon decreasing force 2 to 4. Later becoming variable before increasing southwesterly force 3 or 4 between Howth Head and Mizen Head and on the south Irish Sea by the end of the period.

Weather: Cloudy to fair with isolated showers. Mainly fair later.

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

Outlook for a further 24 hours until 18:00, Sunday 02 August 2026

Light to moderate westerly or variable winds, occasionally fresh at first. Winds will increase moderate to fresh east to northeast from the southwest through Sunday, reaching strong in the southwest towards the end of the period. Weather: Cloud along with outbreaks of rain and drizzle will extend from the southwest through Sunday.

Forecast issued at: 18:00, Friday 31 July 2026

All times are local unless specified