Réamhaisnéis limistear na farraige

Forecast valid from: 17:00, Tuesday 18 November 2025 until 17:00, Wednesday 19 November 2025

Small Craft Warning

Northerly winds will reach force 6 or higher on all coasts.

Gale Warning

Northerly winds will reach gale force 8 at times this evening and tonight, on Irish coastal waters from Erris Head to Bloody Foreland to Belfast Lough, and also on Irish coasts from Howth Head to Wicklow Head to Carnsore Point and on the south Irish Sea.

Meteorological Situation at 15:00 UTC

Low pressure of 1007hPa over northeast England extending a trough west across Ireland, slowly moves southeastwards. High pressure of 1038hPa lies over Iceland. In between, a strong to near gale force northerly airflow covers Ireland.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Slyne Head to Carlingford Lough to Roches Point and for the Irish Sea.

Wind: Northerly force 6 or 7, occasionally gale force 8 imminent. Moderating force 5 to 7 later.

Weather: Fair with scattered squally showers, turning increasingly wintry with the chance of hail and thunder.

Visibility: Reducing moderate or poor in showers. Otherwise good.

Forecast for Irish coastal waters from Roches Point to Valentia to Slyne Head.

Wind: Northwest force 5 or 6. Soon increasing northerly force 6 or 7. Later moderating force 5 to 6.

Weather: Fair with isolated showers, turning increasingly wintry with the chance of hail and thunder.

Visibility: Reducing moderate or poor in showers. Otherwise good.

Outlook for a further 24 hours until 17:00, Thursday 20 November 2025

Fresh to strong or near gale force northerly winds. Gradually easing moderate to fresh in western, northern and southwestern coastal areas. Fair with occasional wintry showers, dying out later.

Forecast issued at: 17:00, Tuesday 18 November 2025

All times are local unless specified