5 day weather forecast for Isle of Man coastal waters

Issued on Tuesday, 26 May 2026 at 6:00am by Ronaldsway Met Office

Forecast periods cover 24 hours from 6am each day to 6am on following day. Wind speeds are on Beaufort Scale.

Today

Warnings

Nil.

Wind

Variable 1 to 3, settling North or NW 3 or 4 this morning, then occasionally 5 to the west of the island later in afternoon and evening. Then gradually veering East 4 or 5 in all waters tonight.

StateOfSea

Smooth or slight, becoming slight or moderate later today and tonight.

Weather

Fair.

Visibility

Good.

Temperature
Min. air temperature 14°C and max. air temperature 20°C
Sea temperature
12°C

Tomorrow

Warnings

Strong winds later.

Wind

East 4 or 5 through morning and afternoon, increasing East or SE 5 or 6 during the evening and at first overnight, possibly occasionally 7 to west of the island.

StateOfSea

Slight or moderate, becoming mainly moderate later.

Weather

Fair.

Visibility

Good.

Temperature
Min. air temperature 14°C and max. air temperature 18°C
Sea temperature
12°C

Thursday, 28 May 2026

Warnings

Strong winds until later.

Wind

East or SE 5 or 6 at first, possibly occasionally 7 to west of island, but veering and decreasing South or SE 4 or 5 through day, then veering South or SW overnight.

StateOfSea

Moderate, becoming slight or moderate.

Weather

Fair.

Visibility

Good.

Temperature
Min. air temperature 13°C and max. air temperature 17°C
Sea temperature
12°C

Friday, 29 May 2026

Warnings

Nil.

Wind

South or SW 4 or 5, decreasing 3 or 4.

StateOfSea

Slight or moderate, becoming slight.

Weather

Fair.

Visibility

Good.

Temperature
Min. air temperature 12°C and max. air temperature 16°C
Sea temperature
12°C

Saturday, 30 May 2026

Warnings

Nil.

Wind

SW 3 or 4, backing South or SW 4 or 5 later in day, veering West overnight.

StateOfSea

Slight, becoming slight or moderate.

Weather

Fair, then rain for a time.

Visibility

Good, falling moderate in rain.

Temperature
Min. air temperature 13°C and max. air temperature 16°C
Sea temperature
12°C

Forecast by

Colin Gartshore