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Inshore waters forecast

Issued at:

For coastal areas up to 12 miles offshore
for the period to

General situation

Pressure will remain slack across British waters over the next couple of days. Atlantic fronts will approach northwest Scotland on Thursday.

Cape Wrath to Rattray Head including Orkney

24 hour forecast:

Wind
Variable, mainly southwest, 3 or 4.
Sea state
Slight or moderate north and west of Orkney, otherwise smooth or slight.
Weather
Showers, perhaps thundery for a time.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable, becoming south later near Cape Wrath, 3 or 4.
Sea state
Smooth or slight, occasionally moderate in far northwest.
Weather
Showers.
Visibility
Good.
Rattray Head to Berwick upon Tweed

24 hour forecast:

Wind
Variable, mainly westerly or southwesterly in south, 3 or 4.
Sea state
Smooth, occasionally slight.
Weather
Thundery showers then fair.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable 3 or 4, becoming southerly 4 or 5 for a time.
Sea state
Smooth, occasionally slight.
Weather
Fair.
Visibility
Good.
Berwick upon Tweed to Whitby

24 hour forecast:

Wind
Variable becoming west for a time, 3 or 4.
Sea state
Smooth, occasionally slight.
Weather
Thundery showers then fair.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable 3 or 4, becoming south or southeast 4 or 5 for a time.
Sea state
Smooth, occasionally slight.
Weather
Fair.
Visibility
Good.
Whitby to Gibraltar Point

24 hour forecast:

Wind
Variable, mainly west, 3 or 4.
Sea state
Smooth, occasionally slight at first.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable, becoming south or southeast, 3 or 4.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.
Gibraltar Point to North Foreland

24 hour forecast:

Wind
Westerly or southwesterly, becoming variable 3 or 4, occasionally 5 at first.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable becoming southeasterly, 3 or 4.
Sea state
Smooth.
Weather
Fair.
Visibility
Good.
North Foreland to Selsey Bill
Strong winds are forecast

24 hour forecast:

Wind
Westerly or southwesterly 4 or 5, occasionally 6 at first in east, decreasing 3 at times later.
Sea state
Slight, occasionally moderate at first in east, becoming mainly smooth.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southwesterly becoming variable, 3 or 4.
Sea state
Smooth, occasionally slight at first.
Weather
Fair.
Visibility
Good.
Selsey Bill to Lyme Regis

24 hour forecast:

Wind
Southwest 3 or 4, occasionally 5 at first.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southwest 3 or 4, becoming variable 3 or less.
Sea state
Smooth, occasionally slight at first.
Weather
Fair.
Visibility
Good.
Lyme Regis to Lands End including the Isles of Scilly

24 hour forecast:

Wind
Southwest becoming variable, 3 or 4, occasionally 5 at first.
Sea state
Moderate in far west, otherwise smooth or slight.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or 4.
Sea state
Smooth or slight, occasionally moderate in far west until later.
Weather
Mainly fair.
Visibility
Good.
Lands End to St Davids Head including the Bristol Channel

24 hour forecast:

Wind
West or southwest, becoming variable at times, 3 or 4.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or 4.
Sea state
Slight, occasionally moderate until later in far west, becoming smooth in Bristol Channel.
Weather
Fair.
Visibility
Good.
St Davids Head to Great Orme Head, including St Georges Channel

24 hour forecast:

Wind
Variable, mainly south or southwest, 3 or 4.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.
Great Orme Head to the Mull of Galloway

24 hour forecast:

Wind
West or southwest, backing south, 3 or 4, occasionally 5 in Solway Firth.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
South 3 or 4, becoming variable 3 or less.
Sea state
Smooth, occasionally slight.
Weather
Fair.
Visibility
Good.
Isle of Man

24 hour forecast:

Wind
South or southwest, 3 or 4.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming north or northwest, 3 or 4.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good.
Lough Foyle to Carlingford Lough

24 hour forecast:

Wind
Variable, but mainly southerly in southeast, 3 or 4.
Sea state
Smooth or slight, occasionally moderate in far northwest.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.
Mull of Galloway to Mull of Kintyre including the Firth of Clyde and North Channel

24 hour forecast:

Wind
Variable, but mainly westerly or southwesterly at first, 3 or 4.
Sea state
Smooth or slight, occasionally moderate at first near Mull of Kintyre.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable, becoming northwesterly for a time, 3 or 4.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.
Mull of Kintyre to Ardnamurchan Point

24 hour forecast:

Wind
Variable 3 or 4.
Sea state
Slight or moderate, becoming smooth in shelter.
Weather
Showers at first.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming south or southwest 3 or 4 later.
Sea state
Smooth or slight, occasionally moderate in west.
Weather
Mainly fair.
Visibility
Good.
The Minch

24 hour forecast:

Wind
West or southwest, 3 or 4, occasionally 5 at first.
Sea state
Smooth or slight, occasionally moderate in far south and far north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Southwest 3 or 4, occasionally 5 later.
Sea state
Smooth or slight.
Weather
Occasional rain later.
Visibility
Good.
Ardnamurchan Point to Cape Wrath

24 hour forecast:

Wind
West or southwest, 3 or 4, occasionally 5 at first.
Sea state
Moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Southwest 3 or 4, increasing 5 later.
Sea state
Slight or moderate.
Weather
Occasional rain later.
Visibility
Good.
Shetland Isles

24 hour forecast:

Wind
Variable, becoming west or northwest, 3 or 4.
Sea state
Slight in east, mainly moderate in west.
Weather
Occasional rain with fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.
For Coastal areas up to 60 nautical miles from Lerwick, Shetland

Valid Tuesday 17 Jul 2018 at 1200 UTC until Wednesday 18 Jul 2018 at 0000 UTC

General situation

A slack area of low pressure covers Shetland waters, with a weakening front soon clearing.

Wind
Variable 3 or 4
Sea state
Slight in east, moderate in west
Weather
Rain and fog patches at first, mainly fair later
Visibility
Good, occasionally poor or very poor at first

For 12 Hours from 0000 UTC on Wednesday 18 Jul until 1200 UTC on Wednesday 18 Jul

Wind
West or northwest 3 or 4
Sea state
Slight, occasionally moderate in west
Weather
Occasional rain
Visibility
Moderate or good
Channel Islands

24 hour forecast:

Wind
West to southwest 1 to 3, occasionally 4, locally northwest to north south of Jersey.
Sea state
Slight, perhaps locally moderate.
Weather
Isolated showers mainly early Tuesday afternoon.
Visibility
Good, perhaps occasionally moderate in showers.

Outlook for the following 24 hours:

Wind
Westerly or variable 1 to 3, locally northwest to north 3 to 5 Jersey southeastwards in the afternoon and evening, generally becoming north to northeast 1 to 3 overnight.
Sea state
Slight, perhaps locally moderate, with a low swell.
Weather
Isolated showers developing by midday Thursday.
Visibility
Good, perhaps occasionally moderate in showers later.

Inshore waters and strong winds

For coastal waters up to 12 miles offshore

Forecasts for UK inshore waters are issued four times a day and cover a period of 24 hours from 0000, 0600, 1200 and 1800 UTC.

The coastal waters, up to 12 miles offshore, around the British Isles are divided into 19 areas.

The forecast contains details of forecast wind direction and force, weather, visibility and sea state.

Strong coastal winds (Strong Breeze force 6 or more) are displayed for the first 24 hours of the inshore waters forecast.

 

In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.

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