Our Island Plan

Shipping forecast for the North Irish Sea

Valid for 24 Hours
Issued on Wednesday, 29 October 2025 at 4:25pm by Ronaldsway Met Office
Warnings

Strong winds, with gales later in the period.

Synopsis

Slow-moving low near northern Scotland. A secondary low near Belfast, moving eastwards, with an associated trough crossing our area this evening. Deepening low in the mid-Atlantic, moving northeastwards.

Wind

Southwest 5 or 6, occasionally 7, imminently veering west or northwest this evening, before gradually decreasing 2 to 4 overnight. Soon backing south or southwest tomorrow morning, then south or southeast 5 or 6 by midday, further increasing during the afternoon to 6 or 7 occasionally gale 8.

State of sea

Mostly moderate, falling slight overnight, then slight or moderate tomorrow morning, building moderate or rough in the afternoon.

Weather

Showers, becoming fair overnight. Rain arriving from the west later tomorrow morning and afternoon.

Visibility

Good, occasionally moderate or poor in precipitation.

Outlook for the following 24 hours

Wind

Southeast 7 or gale 8, veering south or southwest 6 or 7 overnight into Friday. Backing southeast again for a time Friday morning, then veering southwest 5 or 6 occasional 7.

State of sea

Moderate or rough, but very rough in the west of the area, but remaining mainly moderate in the southeast of the area.

Weather

Rain clearing to isolated showers overnight into Friday. Spell of rain during Friday.

Visibility

Good, occasionally moderate or poor in rain.

Approximate times of tides in Douglas

High water
(5.4m)
Low water
(2.3m)
High water
(5.0m)
Low water
(3.0m)
(heights in metres above Chart Datum)

Forecast by

Adrian Cowin
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