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Réamhaisnéis limistear na farraige

Forecast valid from: 00:00, Monday 19 April 2021 until 00:00, Tuesday 20 April 2021

Small Craft Warning

Southerly winds will reach force 6 at times tonight (Sunday night) and tomorrow (Monday) on Irish coasts from Valentia to Slyne Head to Erris Head.

Issued at: 23:00, Sunday 18 April 2021

Gale Warning


Meteorological Situation at 21:00 UTC

A depression of 1012 hPa centred west of Ireland maintains a moderate to fresh southerly airflow over the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Mizen Head to Erris Head to Belfast Lough

Wind: Southerly force 5 or 6 imminent. Later decreasing force 4 or 5 but veering northerly force 5 or 6 between Slyne Head and Rossan Point by the end of the period.

Weather: Patchy rain, drizzle and mist.

Visibility: Mainly moderate or poor.

Forecast for Irish coastal waters from Belfast Lough to Wicklow Head to Mizen Head and for the Irish Sea

Wind: Southerly force 3 or 4, occasionally variable in direction on the Irish Sea. Later decreasing southerly or variable force 3 or less.

Weather: Patches of drizzle and mist on southern sea areas, mainly fair on eastern sea areas.

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

Outlook for a further 24 hours until 00:00, Wednesday 21 April 2021

Fresh to strong northerly winds on western and northwestern sea areas, light to moderate southerly or variable winds elsewhere. Winds gradually becoming fresh to strong north to northeast on all sea areas through Tuesday. Weather: Cloudy with patchy rain, drizzle and mist, gradually becoming fair through Tuesday.

Forecast issued at: 00:00, Monday 19 April 2021

All times are local unless specified

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