Sea Area Forecast

Forecast valid from: 13:00, Wednesday 29 July 2026 until 12:00, Thursday 30 July 2026

Small Craft Warning

West to northwest winds will reach force 6 or higher overnight and Thursday morning on Irish coasts from Rossan Point to Malin Head to Belfast Lough.

Gale Warning

nil

Meteorological Situation at 09:00 UTC

A depression of 995 hPa centred near the Faroe Islands, which will track northwards today, extending a light to moderate occasionally fresh mainly southwesterly airflow over Ireland. Associated fronts are tracking southeastwards over the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea

Wind: South to southwest force 3 to 5, but mainly force 4 or 5 south of Howth Head. Soon veering westerly force 3 or 4, occasionally force 5. Later becoming west to northwest and increasing force 4 or 5 north Wicklow Head.

Weather: Fair to cloudy with occasional rain and drizzle and patchy mist, clearing southeastwards soon and becoming fair.

Visibility: Moderate or poor in precipitation and mist, otherwise good

Forecast for Mizen Head to Slyne Head to Malin Head

Wind: Westerly force 3 or 4 imminent. Soon increasing west to northwest force 4 or 5. Later increasing force 4 to 6.

Weather: Rain, drizzle and mist clearing southeastwards imminently. Becoming fair with isolated showers following. Showers increasing overnight and early Thursday in the north.

Visibility: Moderate or poor in precipitation and mist, otherwise good.

Forecast for Malin Head to Fair Head to Belfast Lough

Wind: Variable force 2 to 4. Soon becoming westerly and increasing force 3 or 4 west of Fair Head. Later increasing force 4 to 6, occasionally force 7.

Weather: Cloudy with occasional rain and drizzle and patchy mist, clearing southeastwards soon. Becoming fair with showers spreading from the west later.

Visibility: Moderate or poor in precipitation and mist, otherwise good.

Outlook for a further 24 hours until 12:00, Friday 31 July 2026

Mostly moderate to fresh westerly winds, strong for a time at first in the north. Weather: Scattered showers, mainly on west and north coasts. Some possibly heavy.

Forecast issued at: 13:00, Wednesday 29 July 2026

All times are local unless specified