Shipping forecast for the North Irish Sea
Valid for 24 Hours
Issued on Friday, 18 September 2026 at 11:15am by Ronaldsway Met Office
Warnings
Strong to gale force winds.
Synopsis
Deepening area of low pressure near Iceland as a frontal zone affects the British Isles.
Wind
Southwest 5 or 6, quickly increasing 6 to gale 8, then decreasing 5 or 6 again this evening, perhaps occasionally force 7 in the east until later.
State of sea
Mainly moderate, quickly building moderate or rough, then mainly moderate again later.
Weather
Occasional rain becoming isolated later.
Visibility
Moderate or good, perhaps poor at times in rain.
Outlook for the following 24 hours
Wind
West or southwest 5 or 6, veering west or northwest 4 or 5 later Sunday morning.
State of sea
Mainly moderate, becoming slight or moderate later.
Weather
Mainly fair.
Visibility
Mainly good.
Approximate times of tides in Douglas
High water
(5.8m)
Low water
(2.6m)
High water
(5.0m)
Low water
(2.6m)
(heights in metres above Chart Datum)
Forecast by
Stuart Davison




