Our Island Plan

5 day weather forecast for Isle of Man coastal waters

Issued on Sunday, 07 September 2025 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

Strong winds at first.

Wind

SE 5 or 6, occasionally 7, veering and decreasing West or SW 4 or 5 later in afternoon or evening, then decreasing 3 or 4 overnight.

StateOfSea

Moderate or rough, falling slight or moderate later today, then becoming slight overnight.

Weather

Outbreaks of rain, heavy at times, then becoming fair later today.

Visibility

Good, occasionally moderate or poor in rain.

Temperature
Min. air temperature 14°C and max. air temperature 17°C
Sea temperature
16°C

Tomorrow

Warnings

Nil.

Wind

West or SW 3 or 4, increasing SW 4 or 5 during day, then gradually backing South overnight.

StateOfSea

Slight, becoming slight or moderate.

Weather

Isolated showers.

Visibility

Good.

Temperature
Min. air temperature 13°C and max. air temperature 17°C
Sea temperature
16°C

Tuesday, 9 September 2025

Warnings

Nil.

Wind

South or SE 4 or 5.

StateOfSea

Slight or moderate.

Weather

Outbreaks of rain developing.

Visibility

Good, falling moderate in rain.

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

Wednesday, 10 September 2025

Warnings

Strong winds developing.

Wind

South or SE 4 or 5, increasing 5 or 6, then veering West or SW later in day/ at first overnight.

StateOfSea

Slight or moderate becoming mainly moderate.

Weather

Outbreaks of rain, becoming fair later.

Visibility

Good, falling moderate or poor in rain.

Temperature
Min. air temperature 12°C and max. air temperature 17°C
Sea temperature
16°C

Thursday, 11 September 2025

Warnings

Strong winds at first.

Wind

West or SW 5 or 6, decreasing 4 or 5.

StateOfSea

Moderate, falling slight or moderate.

Weather

Scattered showers.

Visibility

Good, possibly moderate in showers.

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

Forecast by

Colin Gartshore
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