Sea Area Forecast

Valid until 0000 Wed 18 Oct 2017

Issued at 0000 Tue 17 Oct 2017

Gale warning: In operation.

Small craft warning: In operation.

Meteorological Situation at 2100: A vigorous storm depression (ex-hurricane Ophelia) with central pressure of 980 hPa, is centred over Co. Donegal. It will pull away towards Scotland tonight, and winds will very gradually abate, veering west to southwest. A slack airflow will cover Ireland on Tuesday.

Forecast for Irish coastal waters from Erris Head to Carlingford Lough to Hook Head and the Irish Sea

Wind: Southwest strong gale force 9 to violent storm force 11, decreasing gale force 8 or strong gale force 9 overnight. Winds abating, west to southwest, force 7 or gale force 8 by dawn and westerly, force 4 or 5 by Tuesday forenoon, but force 6 for a time on the north Irish Sea. Winds variable mainly northwest force 2 to 4 later.

Weather: Squally showers for northwest sea areas. Becoming mainly fair elsewhere.

Visibility: Poor in precipitation, becoming mostly good.

Forecast for Irish coastal waters from Hook Head to Valentia to Erris Head

Wind: Southwest gale force 8 to storm force 10. Winds abating, west to southwest force 6 or 7 overnight, and further decreasing force 4 or 5 by morning. Winds variable mainly southeast force 2 to 4 later.

Weather: Squally showers for northwest sea areas. Becoming mainly fair elsewhere.

Visibility: Poor in precipitation, becoming mostly good.

Warning of Heavy Swell

Heavy swell on all coasts for a time tonight

Outlook for a further 24 hours until 0000 Thu 19 Oct 2017

Light to moderate variable winds, increasing fresh to strong and gusty southeasterly, with near gale in the west. Mainly fair at first. Rain on Wednesday extending from the southeast and later from the west.