Réamhaisnéis limistear na farraige
Forecast valid from: 05:00, Friday 20 March 2026 until 06:00, Saturday 21 March 2026
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 03:00 UTC
Ireland lies in a light to moderate anticyclonic variable airflow, with high pressure of 1026hPa centred over the North Sea.
Heavy Swell (>4m) : No
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Easterly force 3 or 4. Soon decreasing easterly or variable force 2 to 4.
Weather: Fair or fine. Mist and fog patches.
Visibility: Mostly good, decreasing moderate to poor in mist and fog.
Forecast for Valentia to Erris Head to Belfast Lough
Wind: Southerly or variable force 3 or 4. Soon occasionally force 5 in the northwest and veering southwest to west or variable. Later decreasing force 2 to 4 or less.
Weather: Fair or fine. Mist and fog patches. Later cloudy to fair in the west and northwest with isolated drizzle.
Visibility: Mostly good, decreasing moderate to poor in drizzle, mist and fog.
Forecast for Belfast Lough to Howth Head to Carnsore Point and for the Irish Sea
Wind: Southeasterly or variable force 2 to 4 or less.
Weather: Fair or fine. Mist and fog patches.
Visibility: Mostly good, decreasing moderate to poor in mist and fog.
Outlook for a further 24 hours until 06:00, Sunday 22 March 2026
Wind: Light to moderate anticyclonic variable winds, becoming mostly southwesterly through Saturday afternoon in the west and northwest and increasing moderate to fresh. Later increasing fresh to strong in the northwest before veering westerly and later becoming mostly moderate southwest to west elsewhere. Weather: Mostly fair or fine. Mist and fog patches. Cloudy to fair in the west and north with patches of light rain and drizzle, mainly on Saturday night.
Forecast issued at: 05:00, Friday 20 March 2026
All times are local unless specified
