Inshore Waters

Valid

From: Wed 28th Jul at 06:00 UTC

To: Thu 29th Jul at 06:00 UTC

Summary

Low pressure will maintain unsettled weather conditions across the British Isles for the next couple of days.

Issued at: 06:00 UTC on 28th Jul

Regions

From Cape Wrath to Rattray Head including Orkney

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24 hour forecast:

Wind

East or northeast, backing north later, 3 to 5.

Sea State

Slight, but moderate in northwest.

Weather

Rain or thundery showers, fog patches in north.

Visibility

Moderate or poor, occasionally very poor in north.

Outlook for the following 24 hours:

Wind

North backing northwest, 3 to 5.

Sea State

Moderate at times in northwest, otherwise smooth or slight.

Weather

Rain or showers, thundery at first, fog patches.

Visibility

Moderate or good, occasionally very poor.

Rattray Head to Berwick on Tweed

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24 hour forecast:

Wind

Variable 2 to 4, becoming westerly 4 or 5 later in south.

Sea State

Smooth or slight.

Weather

Thundery rain or showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Variable 2 to 4 at first in north, otherwise westerly or northwesterly 3 to 5, occasionally 6 at first in south.

Sea State

Smooth or slight.

Weather

Showers, thundery at times.

Visibility

Good, occasionally poor.

Berwick on Tweed to Whitby

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Strong winds warning issued

24 hour forecast:

Wind

Variable 2 to 4, becoming southwest 4 or 5 later, occasionally 6 later.

Sea State

Smooth or slight.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

West or southwest 3 to 5, occasionally 6 at first, becoming variable 3 or less for a time.

Sea State

Smooth or slight.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Whitby to Gibraltar Point

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Strong winds warning issued

24 hour forecast:

Wind

West or southwest 2 to 4, increasing 5 or 6, occasionally 7 later.

Sea State

Smooth or slight, becoming slight or moderate later.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Southwest 5 or 6, decreasing 4 later.

Sea State

Slight or moderate, becoming smooth or slight.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Gibraltar Point to North Foreland

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Strong winds warning issued

24 hour forecast:

Wind

Southerly or southwesterly 4 to 6, occasionally 7 later.

Sea State

Smooth or slight, becoming slight or moderate.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Southwesterly 5 or 6, decreasing 4 later.

Sea State

Slight or moderate, becoming smooth or slight later.

Weather

Mainly fair.

Visibility

Good.

North Foreland to Selsey Bill

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Strong winds warning issued

24 hour forecast:

Wind

Southwesterly 4 to 6, increasing 7 at times.

Sea State

Slight or moderate.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Westerly or southwesterly 5 or 6, decreasing 3 or 4 later.

Sea State

Slight or moderate, becoming slight later.

Weather

Showers.

Visibility

Good.

Selsey Bill to Lyme Regis

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Strong winds warning issued

24 hour forecast:

Wind

Westerly or southwesterly 4 to 6, increasing 7 for a time in southeast.

Sea State

Slight or moderate.

Weather

Showers, perhaps thundery.

Visibility

Good.

Outlook for the following 24 hours:

Wind

West or southwest 4 to 6, decreasing 2 to 4 later, backing south or southeast 4 or 5 later.

Sea State

Slight or moderate.

Weather

Showers.

Visibility

Good, occasionally poor later.

Lyme Regis to Lands End including the Isles of Scilly

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Strong winds warning issued

24 hour forecast:

Wind

West or southwest, veering northwest at times, 4 to 6.

Sea State

Slight or moderate, occasionally rough in west.

Weather

Showers, perhaps thundery.

Visibility

Good, occasionally poor at first.

Outlook for the following 24 hours:

Wind

West or southwest 3 to 5, becoming cyclonic 4 to 6 later.

Sea State

Slight or moderate, occasionally rough at first in west.

Weather

Showers, rain at times later.

Visibility

Good, occasionally poor later.

Lands End to St Davids Head including the Bristol Channel

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Strong winds warning issued

24 hour forecast:

Wind

Variable 2 to 4 at first in east, otherwise westerly or southwesterly 5 or 6, increasing 7 at times, veering northwesterly 3 to 5 later.

Sea State

Slight or moderate, occasionally rough in west.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Westerly or northwesterly, backing southwesterly 3 to 5, becoming cyclonic 4 to 6 later.

Sea State

Slight or moderate.

Weather

Showers, occasional rain later.

Visibility

Good, occasionally poor later.

St Davids Head to Great Ormes Head, including St Georges Channel

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Strong winds warning issued

24 hour forecast:

Wind

West or southwest, veering northwest at times 4 to 6, occasionally 3 at first.

Sea State

Smooth or slight, becoming slight or moderate.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

West or southwest 4 to 6, occasionally 7 at first, becoming variable 2 to 4 later.

Sea State

Slight or moderate.

Weather

Showers.

Visibility

Good.

Great Ormes Head to the Mull of Galloway

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Strong winds warning issued

24 hour forecast:

Wind

West 3 to 5, increasing 5 to 7.

Sea State

Smooth becoming slight, becoming slight or moderate later.

Weather

Rain or thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

West 5 to 7, veering northwest 3 or 4 later.

Sea State

Slight or moderate, becoming smooth or slight later.

Weather

Rain or showers.

Visibility

Good, occasionally poor.

Isle of Man

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Strong winds warning issued

24 hour forecast:

Wind

West or southwest 4, increasing 5 or 6 later.

Sea State

Slight or moderate.

Weather

Showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

West or southwest 5 or 6, veering west or northwest 3 or 4.

Sea State

Slight or moderate.

Weather

Showers at first.

Visibility

Good, occasionally moderate.

Lough Foyle to Carlingford Lough

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Strong winds warning issued

24 hour forecast:

Wind

Variable 2 to 4, becoming northwesterly 4 to 6, occasionally 7 later in far south.

Sea State

Smooth or slight, becoming slight or moderate later.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Westerly or northwesterly 4 to 6, occasionally 7 at first in far south, decreasing 2 to 4.

Sea State

Slight or moderate, occasionally rough at first in north, becoming smooth or slight later.

Weather

Showers.

Visibility

Good.

The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel

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Strong winds warning issued

24 hour forecast:

Wind

Westerly or northwesterly 2 to 4, increasing 4 to 6 for a time later.

Sea State

Smooth or slight, occasionally moderate later in North Channel.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Westerly or northwesterly 3 to 5.

Sea State

Smooth or slight, occasionally moderate at first in North Channel.

Weather

Showers.

Visibility

Good.

Mull of Kintyre to Ardnamurchan Point

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24 hour forecast:

Wind

West or northwest, becoming cyclonic later, 3 to 5.

Sea State

Slight or moderate, occasionally rough later in west.

Weather

Rain or showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Cyclonic, becoming north or northwest, 3 to 5.

Sea State

Slight or moderate, occasionally rough at first in southwest.

Weather

Showers.

Visibility

Moderate or good, occasionally poor.

The Minch

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Strong winds warning issued

24 hour forecast:

Wind

Cyclonic 4 to 6, becoming north 3 to 5 later.

Sea State

Smooth or slight, becoming slight or moderate.

Weather

Rain or showers, thundery at times.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

North or northwest 3 to 5, decreasing 2 at times later.

Sea State

Slight or moderate, becoming smooth or slight.

Weather

Showers.

Visibility

Moderate or good, occasionally poor.

Ardnamurchan Point to Cape Wrath including the Outer Hebrides

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Strong winds warning issued

24 hour forecast:

Wind

Cyclonic 4 to 6, becoming north 3 to 5 later.

Sea State

Moderate, but slight until later in southeast.

Weather

Rain or showers, thundery at times.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

North or northwest 3 to 5, decreasing 2 at times later.

Sea State

Moderate, becoming slight or moderate.

Weather

Showers.

Visibility

Moderate or good, occasionally poor.

Shetland Isles

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24 hour forecast:

Wind

Northeast 2 to 4.

Sea State

Slight or moderate, becoming slight.

Weather

Occasional rain or drizzle, fog patches.

Visibility

Moderate or good, occasionally very poor.

For Coastal areas up to 60 nautical miles from Lerwick, Shetland

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Valid Wednesday 28 Jul 2021 at 0600 UTC until Wednesday 28 Jul 2021 at 1800 UTC

General situation:

Slow moving area of low pressure across Scotland on Wednesday, drifting east into the North Sea during Thursday morning.

Forecast:

Wind

Northeast 3 or 4

Sea State

Slight or moderate

Weather

Showers, occasionally thundery. Fog patches

Visibility

Moderate or good, occasionally very poor

Outlook for 12 Hours from 1800 UTC on Wednesday 28 Jul until 0600 UTC on Thursday 29 Jul:

Wind

Northeasterly 2 to 4, backing easterly for a time in the east

Sea State

Slight, occasionally moderate in west

Weather

Occasional drizzle. Fog patches

Visibility

Moderate or good, occasionally very poor

The Channel Islands

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Strong winds warning issued

24 hour forecast:

Wind

West to southwest 4 to 5, locally 6 at times.

Sea State

Moderate, with a low swell, increasing rather rough mid-channel in the afternoon.

Weather

Isolated showers, perhaps locally heavy and thundery until late afternoon.

Visibility

Good, locally moderate.

Outlook for the following 24 hours:

Wind

West to southwest 4 to 5, occasionally 6 until mid-morning, decreasing 2 to 4 during the afternoon, locally variable 1 to 3 in the southeast, backing south to southeast in the evening and increasing 4 to 5, occasionally 6 by midnight, then cyclonic variable 4 to 6 later.

Sea State

Moderate, locally rather rough mid-channel until mid-morning, decreasing slight to moderate during the afternoon with a low swell throughout.

Weather

Isolated showers, then outbreaks of rain spreading in from the west Thursday evening, locally heavy later.

Visibility

Good, locally moderate and perhaps poor later.

Inshore Waters information supplied by the Met Office on behalf of the Maritime and Coastguard Agency (MCA).

Time displayed in UTC (GMT). When the UK is observing British Summer Time (BST), add an hour. For more information, please see FAQs.