Inshore Waters

Valid

From: Fri 23rd Jul at 18:00 UTC

To: Sat 24th Jul at 18:00 UTC

Summary

High pressure centred to the north of the British Isles will maintain settled weather and light winds for most of the United Kingdom. However an area of low pressure over France and Biscay will bring strong winds, gales and thundery showers to southern areas.

Issued at: 18:00 UTC on 23rd Jul

Regions

From Cape Wrath to Rattray Head including Orkney

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24 hour forecast:

Wind

East or northeast 2 to 4, veering east or southeast 3 to 5 except in Moray Firth.

Sea State

Smooth or slight.

Weather

Mainly fair.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Variable 2 to 4 in Moray Firth, but elsewhere east or southeast 3 to 5.

Sea State

Smooth or slight.

Weather

Fog patches developing near Orkney.

Visibility

Moderate or good, occasionally very poor near Orkney.

Rattray Head to Berwick on Tweed

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24 hour forecast:

Wind

Easterly or northeasterly 2 to 4, occasionally 5 later in Firth of Forth, but veering southeasterly 1 to 3 in north.

Sea State

Smooth, occasionally slight.

Weather

Mainly fair.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Easterly or northeasterly 3 to 5 at first in south, otherwise southeasterly becoming variable 3 or less, occasionally 4 later.

Sea State

Smooth, occasionally slight.

Weather

Fair.

Visibility

Good, occasionally moderate.

Berwick on Tweed to Whitby

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24 hour forecast:

Wind

Variable mainly east 3 or less, increasing 4 at times.

Sea State

Smooth or slight.

Weather

Fair.

Visibility

Good.

Outlook for the following 24 hours:

Wind

East or northeast becoming variable, 3 or less, then becoming north 3 or 4.

Sea State

Slight.

Weather

Mainly fair.

Visibility

Good.

Whitby to Gibraltar Point

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24 hour forecast:

Wind

Variable 3 or less at first in north, otherwise easterly or northeasterly 3 or 4, occasionally 5 later in south.

Sea State

Smooth or slight, becoming slight.

Weather

Fair.

Visibility

Good.

Outlook for the following 24 hours:

Wind

Northeasterly backing northerly 3 or 4, occasionally 2 in north.

Sea State

Slight.

Weather

Fair then showers.

Visibility

Good.

Gibraltar Point to North Foreland

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Strong winds warning issued

24 hour forecast:

Wind

Easterly or northeasterly 4 or 5, occasionally 3 at first in north, increasing 6 at times in south.

Sea State

Smooth or slight at first in north, otherwise slight or moderate.

Weather

Thundery showers later, mainly in south.

Visibility

Moderate or good, occasionally poor later in south.

Outlook for the following 24 hours:

Wind

Easterly or northeasterly 3 to 5 backing northerly or northeasterly 2 to 4.

Sea State

Slight, becoming smooth or slight.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

North Foreland to Selsey Bill

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Strong winds warning issued

24 hour forecast:

Wind

Easterly or northeasterly 4 to 6, occasionally 7 at first, becoming cyclonic mainly southerly 2 to 4 later.

Sea State

Slight or moderate, becoming smooth or slight later.

Weather

Fair then thundery showers, mainly later.

Visibility

Good, occasionally poor later.

Outlook for the following 24 hours:

Wind

Cyclonic or variable 3 or less, becoming northerly or northeasterly 2 to 4 for a time.

Sea State

Smooth or slight.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Selsey Bill to Lyme Regis

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Strong winds warning issued

24 hour forecast:

Wind

East 4 to 6, backing northeast 6 to gale 8 for a time at first, then becoming cyclonic mainly south 2 to 4 later.

Sea State

Slight or moderate, occasionally rough at first except close inshore, becoming smooth or slight later.

Weather

Showers, becoming squally and thundery for a time.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

South or southeast backing north, 3 or less, occasionally 4 at first, then backing west or southwest 2 to 4 later.

Sea State

Smooth or slight.

Weather

Thundery showers.

Visibility

Good, occasionally poor.

Lyme Regis to Lands End including the Isles of Scilly

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Strong winds warning issued

24 hour forecast:

Wind

East or northeast 5 to 7, occasionally gale 8 at first, veering east or southeast 2 to 4 later.

Sea State

Moderate or rough, becoming slight or moderate later.

Weather

Squally thundery showers.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

Variable, but mainly easterly at first, 3 or less, increasing 4 at times, then becoming northwesterly 3 to 5 in west.

Sea State

Slight, occasionally smooth in east.

Weather

Showers, perhaps thundery.

Visibility

Good, occasionally moderate.

Lands End to St Davids Head including the Bristol Channel

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Strong winds warning issued

24 hour forecast:

Wind

East or northeast 4 to 6, occasionally 3 at first, then increasing 7 at times.

Sea State

Slight or moderate.

Weather

Showers, becoming squally and thundery.

Visibility

Good, occasionally poor.

Outlook for the following 24 hours:

Wind

East or northeast, backing northwest later, 3 to 5, but becoming variable 2 for a time.

Sea State

Smooth or slight, occasionally moderate at first in west.

Weather

Showers, thundery at first.

Visibility

Good, occasionally moderate at first.

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

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Strong winds warning issued

24 hour forecast:

Wind

East or northeast 3 to 5, occasionally 6 at first, becoming variable 2 at times later.

Sea State

Slight, occasionally smooth later.

Weather

Showers, mainly at first, perhaps thundery.

Visibility

Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind

Variable, but mainly northeast at first, 3 or less, increasing 4 at times.

Sea State

Smooth or slight.

Weather

Mainly fair.

Visibility

Good.

Great Ormes Head to the Mull of Galloway

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24 hour forecast:

Wind

East or northeast 3 to 5, becoming variable 2 at times.

Sea State

Slight, occasionally smooth.

Weather

Mainly fair.

Visibility

Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind

East or northeast 3 to 5 becoming variable 3 or less, then west or northwest 2 to 4 later.

Sea State

Smooth or slight.

Weather

Fair.

Visibility

Good.

Isle of Man

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24 hour forecast:

Wind

Variable 2 to 4, becoming east 3 to 5 for a time.

Sea State

Smooth or slight.

Weather

Fair.

Visibility

Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind

Variable 3 or less, increasing 4 at times.

Sea State

Smooth or slight.

Weather

Fair.

Visibility

Good.

Lough Foyle to Carlingford Lough

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24 hour forecast:

Wind

East or northeast 3 or 4, becoming variable 2 at times.

Sea State

Smooth, occasionally slight.

Weather

Mainly fair.

Visibility

Moderate or good.

Outlook for the following 24 hours:

Wind

Variable 3 or less, increasing 4 at times.

Sea State

Smooth, occasionally slight.

Weather

Fog patches later in north.

Visibility

Moderate or good, occasionally very poor later in north.

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

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24 hour forecast:

Wind

Variable 2 to 4, becoming easterly or northeasterly 3 to 5 for a time at first.

Sea State

Smooth, occasionally slight.

Weather

Mainly fair.

Visibility

Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind

Variable, becoming easterly or northeasterly for a time, 2 to 4.

Sea State

Smooth, occasionally slight.

Weather

Fair.

Visibility

Good, occasionally poor later near the Mull of Kintyre.

Mull of Kintyre to Ardnamurchan Point

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24 hour forecast:

Wind

Variable 3 or less, increasing 4 at times.

Sea State

Smooth, occasionally slight.

Weather

Fair.

Visibility

Good.

Outlook for the following 24 hours:

Wind

Variable 3 or less, increasing 4 at times.

Sea State

Smooth, occasionally slight.

Weather

Fog patches later.

Visibility

Moderate or good, occasionally very poor later.

The Minch

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24 hour forecast:

Wind

Variable 3 or less, increasing 4 at times.

Sea State

Smooth or slight.

Weather

Fair.

Visibility

Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind

Variable 3 or less, increasing 4 at times, becoming north 3 to 5 later.

Sea State

Smooth, occasionally slight.

Weather

Fair.

Visibility

Good, occasionally poor later.

Ardnamurchan Point to Cape Wrath including the Outer Hebrides

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24 hour forecast:

Wind

Easterly or northeasterly 3 to 5 in far north, but elsewhere variable 3 or less, increasing 4 at times.

Sea State

Slight, occasionally smooth.

Weather

Fair.

Visibility

Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind

Variable 3 or less at first in south, otherwise northerly or northeasterly 3 or 4, occasionally 5 later.

Sea State

Smooth or slight.

Weather

Fog patches developing to the west of the Outer Hebrides.

Visibility

Good, becoming moderate or good, occasionally very poor to the west of the Outer Hebrides.

Shetland Isles

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24 hour forecast:

Wind

Northeast 2 to 4, becoming variable 3 or less later.

Sea State

Smooth or slight, becoming slight or moderate for a time in east.

Weather

Drizzle at times, 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 Friday 23 Jul 2021 at 1800 UTC until Saturday 24 Jul 2021 at 0600 UTC

General situation:

Ridge to the west declining into Saturday with a shallow low reaching the area from the east during the morning.

Forecast:

Wind

Northeasterly 2 to 4, occasionally 5 in far east

Sea State

Slight, occasionally moderate at first in far east

Weather

Mist and drizzle with fog patches

Visibility

Moderate or poor, occasionally very poor

Outlook for 12 Hours from 0600 UTC on Saturday 24 Jul until 1800 UTC on Saturday 24 Jul:

Wind

Northeast becoming cyclonic, 2 to 4

Sea State

Slight or smooth

Weather

Mist and drizzle with fog patches

Visibility

Moderate or poor, occasionally very poor

The Channel Islands

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Strong winds warning issued

24 hour forecast:

Wind

East or northeast 5 or 6, occasionally 7 with gusts to 45kt, locally gale 8 with gusts to 50kt mid-channel, veering south 3 or 4 tonight, backing southeast 2 to 4 late morning then backing east by late afternoon.

Sea State

In the southeast, slight, locally moderate this evening, then slight or smooth after dawn, but elsewhere moderate to rather rough, increasing rough in the north this evening, then decreasing slight with a low swell by dawn.

Weather

Occasional showers, locally squally with thunderstorms and a risk of hail, mainly until the early hours, risk of mist patches, until mid-morning.

Visibility

Moderate or good, locally poor.

Outlook for the following 24 hours:

Wind

East or northeast 2 to 4, becoming north or variable by midnight, then northwest by mid-morning.

Sea State

Smooth or slight.

Weather

Scattered showers, perhaps thundery.

Visibility

Good, occasionally moderate, perhaps locally poor.

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

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