Our Island Plan

Shipping forecast for the North Irish Sea

Valid for 24 Hours
Issued on Wednesday, 17 September 2025 at 5:15am by Ronaldsway Met Office
Warnings

Strong winds.

Synopsis

Frontal system will quickly clear away northeastwards today, before further fronts arrive tomorrow.

Wind

South or Southeast 5 to 7, soon veering Southwest 5 or 6 this morning. Decreasing Southwest 4 or 5 in the afternoon, then increasing 5 or 6 again in the evening.

State of sea

Moderate or rough, becoming moderate later this morning.

Weather

Heavy rain at first, but clearing this morning.

Visibility

Moderate or poor at first, but improving good this morning.

Outlook for the following 24 hours

Wind

Southwest 5 or 6, increasing South or Southwest 5 to 7 later tomorrow morning or early afternoon. Little change for the rest of the day, then gradually decreasing 4 or 5 overnight into Friday.

State of sea

Moderate, building moderate or rough, then gradually falling slight or moderate later.

Weather

Outbreaks of rain developing.

Visibility

Good, falling moderate or poor at times in rain.

Approximate times of tides in Douglas

High water
(5.5m)
Low water
(2.0m)
High water
(5.9m)
Low water
(1.9m)
(heights in metres above Chart Datum)

Forecast by

Colin Gartshore
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