Sea Area Forecast

Forecast valid from: 17:30, Saturday 11 April 2026 until 18:00, Sunday 12 April 2026

Small Craft Warning

West to southwest winds will reach force 6 or higher this evening and tonight on all Irish coasts, becoming confined to coasts from Slyne Head to Rossan Point to Fair Head tomorrow morning.

Gale Warning

West to southwest winds will reach gale force 8 at times this evening and tonight on Irish coastal waters from Belfast Lough to Roches Point to Bloody Foreland and on the Irish Sea.

Atlantic Swell

On Atlantic coasts.

Meteorological Situation at 15:00 UTC

A depression of 964hPa centred approximately 200 nautical miles northwest of Bloody Foreland generates an unstable, near gale to gale force south to southwest airflow over Ireland. Associated fronts track eastwards across the country.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Fair Head to Carnsore Point to Slyne Head and for the Irish Sea

Wind: West to southwest force 7 or gale force 8, soon decreasing force 6 or 7. Later decreasing force 4 or 5 and gusty.

Weather: Widespread showers with isolated thunderstorms and hail. Soon becoming cloudy to fair with scattered showers.

Visibility: Moderate or poor in showers. Otherwise good.

Forecast for Slyne Head to Rossan Point to Fair Head

Wind: West to southwest force 6 to 8, later decreasing force 6 or 7.

Weather: Widespread showers with isolated thunderstorms and hail. Later becoming cloudy to fair with scattered showers.

Visibility: Moderate or poor in showers. Otherwise good.

Outlook for a further 24 hours until 18:00, Monday 13 April 2026

Moderate to strong westerly winds, decreasing light to fresh southwesterly on Sunday night. Weather: Fair with scattered showers, some heavy.

Forecast issued at: 17:30, Saturday 11 April 2026

All times are local unless specified