Inshore Waters
Valid
From: Sun 22nd Dec at 00:00 UTC
To: Mon 23rd Dec at 00:00 UTC
Summary
A deep area of low pressure centred to the northeast of the United Kingdom will move southeast to Denmark and Germany over the next couple of days, bringing squally showers and gales or severe gales across the inshore waters and storm force winds for some northern waters. Winds will then ease for all areas on Monday, but Atlantic fronts will move in from the west with further outbreaks rain developing.
Issued at: 00:01 UTC on 22nd Dec
Regions
From Cape Wrath to Rattray Head including Orkney
Back to Top24 hour forecast:
Wind
Westerly veering northerly or northwesterly, 7 to severe gale 9, occasionally storm 10 at first in north, decreasing 5 to 7 later.
Sea State
To the north and west of Orkney, high occasionally very high at first, but elsewhere, moderate or rough, occasionally very rough.
Weather
Squally showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northerly or northwesterly 5 to 7, backing southerly or southwesterly 4 to 6.
Sea State
To the north and west of Orkney, very rough or high becoming rough or very rough, but elsewhere, moderate or rough, occasionally very rough at first.
Weather
Showers then occasional rain.
Visibility
Moderate or good, occasionally poor.
Rattray Head to Berwick on Tweed
Back to Top24 hour forecast:
Wind
West veering northwest later, 6 to gale 8, occasionally severe gale 9 later.
Sea State
Slight or moderate in Firth of Forth, otherwise moderate or rough, occasionally very rough near Rattray Head.
Weather
Squally showers.
Visibility
Good, occasionally moderate.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, backing west 4 or 5, then southwest 5 or 6 later.
Sea State
Moderate or rough, occasionally very rough at first near Rattray Head, becoming slight or moderate later.
Weather
Showers then occasional rain later.
Visibility
Good, occasionally moderate.
Berwick on Tweed to Whitby
Back to Top24 hour forecast:
Wind
West 6 to gale 8, veering northwest 7 to severe gale 9 later.
Sea State
Moderate becoming rough later, occasionally very rough later.
Weather
Showers.
Visibility
Good, occasionally moderate.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, decreasing 4 or 5, backing southwest later.
Sea State
Rough, occasionally very rough at first, becoming moderate later.
Weather
Showers then occasional rain later.
Visibility
Good.
Whitby to Gibraltar Point
Back to Top24 hour forecast:
Wind
West veering northwest later, 6 to gale 8, occasionally severe gale 9 later.
Sea State
Slight or moderate becoming moderate or rough, occasionally very rough later.
Weather
Showers.
Visibility
Good.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, decreasing 4 or 5, backing southwest later.
Sea State
Rough or very rough, becoming moderate or rough, then slight or moderate later.
Weather
Showers.
Visibility
Good, occasionally moderate.
Gibraltar Point to North Foreland
Back to Top24 hour forecast:
Wind
Westerly veering northwesterly later, 6 to gale 8, occasionally severe gale 9 later in northeast.
Sea State
Slight or moderate, becoming rough in northeast.
Weather
Showers.
Visibility
Good.
Outlook for the following 24 hours:
Wind
Northwesterly 7 or gale 8, decreasing 5 or 6, backing southwesterly 4 or 5 later.
Sea State
Moderate or rough, occasionally very rough at first, becoming slight or moderate later.
Weather
Showers.
Visibility
Good.
North Foreland to Selsey Bill
Back to Top24 hour forecast:
Wind
Westerly veering northwesterly, 6 to gale 8.
Sea State
Moderate or rough.
Weather
Showers.
Visibility
Good.
Outlook for the following 24 hours:
Wind
Northwesterly 7 or gale 8, decreasing 5 or 6, backing westerly or southwesterly 3 or 4 later.
Sea State
Moderate or rough becoming slight or moderate.
Weather
Occasional rain later.
Visibility
Good, occasionally moderate later.
Selsey Bill to Lyme Regis
Back to Top24 hour forecast:
Wind
West veering northwest, 6 to gale 8.
Sea State
Moderate or rough.
Weather
Showers, squally at first.
Visibility
Good, occasionally poor at first.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, decreasing 4 or 5, then backing west 3 or 4 later.
Sea State
Moderate or rough becoming slight or moderate, then smooth or slight later.
Weather
Occasional rain later.
Visibility
Good, occasionally poor later.
Lyme Regis to Lands End including the Isles of Scilly
Back to Top24 hour forecast:
Wind
West 6 to gale 8, veering northwest 7 to severe gale 9, decreasing 5 to 7 later.
Sea State
Very rough or high west of the Lizard, otherwise moderate or rough.
Weather
Showers, squally at first.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwest 6 or 7, decreasing 4 or 5, backing west later.
Sea State
Rough or very rough at first to the west of the Lizard, otherwise moderate or rough, becoming slight later east of the Lizard.
Weather
Showers then rain or drizzle later.
Visibility
Moderate or good, occasionally poor later.
Lands End to St Davids Head including the Bristol Channel
Back to Top24 hour forecast:
Wind
Northwest 7 to severe gale 9.
Sea State
Rough or very rough, occasionally moderate in Bristol Channel and high in far southwest.
Weather
Showers, squally at first.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, backing west 3 to 5.
Sea State
Rough or very rough becoming moderate or rough, then slight or moderate later.
Weather
Showers then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
St Davids Head to Great Ormes Head, including St Georges Channel
Back to Top24 hour forecast:
Wind
West 6 to gale 8, veering northwest 7 to severe gale 9.
Sea State
Rough or very rough, becoming moderate or rough later.
Weather
Squally showers at first.
Visibility
Good, occasionally poor at first.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, backing west or southwest 3 to 5.
Sea State
Moderate or rough, becoming slight or moderate.
Weather
Showers, then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
Great Ormes Head to the Mull of Galloway
Back to Top24 hour forecast:
Wind
West 6 to gale 8, veering northwest 7 to severe gale 9.
Sea State
Moderate or rough, becoming rough or very rough for a time.
Weather
Squally wintry showers until later.
Visibility
Good, occasionally poor until later.
Outlook for the following 24 hours:
Wind
Northwest 6 to gale 8, backing west or southwest 3 to 5.
Sea State
Moderate or rough, becoming slight.
Weather
Showers, then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
Isle of Man
Back to Top24 hour forecast:
Wind
West 7 to severe gale 9, veering northwest 6 or 7 later.
Sea State
Rough, becoming rough or very rough for a time.
Weather
Showers until later.
Visibility
Good, occasionally moderate.
Outlook for the following 24 hours:
Wind
Northwest 5 to 7, backing west or southwest 4 or 5.
Sea State
Rough becoming slight or moderate.
Weather
Rain or drizzle later.
Visibility
Moderate or good, occasionally poor later.
Lough Foyle to Carlingford Lough
Back to Top24 hour forecast:
Wind
Westerly veering northwesterly 7 to severe gale 9, occasionally storm 10 in north and perhaps storm 10 later in south.
Sea State
Very rough or high in far north, otherwise moderate or rough, occasionally very rough.
Weather
Squally wintry showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwesterly 6 to gale 8, decreasing 4 or 5, then backing southwesterly.
Sea State
Moderate or rough, occasionally very rough at first in north, becoming slight or moderate.
Weather
Showers then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel
Back to Top24 hour forecast:
Wind
Westerly 7 to severe gale 9, veering northwesterly gale 8 to storm 10, decreasing 6 to gale 8 later.
Sea State
Rough or very rough in North Channel, otherwise moderate or rough.
Weather
Squally wintry showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwesterly 6 to gale 8, decreasing 4 or 5, then backing southwesterly.
Sea State
Rough at first in North Channel, otherwise slight or moderate, occasionally smooth later in north.
Weather
Showers then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
Mull of Kintyre to Ardnamurchan Point
Back to Top24 hour forecast:
Wind
Northwest gale 8 to storm 10, decreasing 5 to 7 later.
Sea State
Very rough or high, occasionally rough in east and very high in northwest.
Weather
Squally wintry showers.
Visibility
Moderate or poor, becoming good later.
Outlook for the following 24 hours:
Wind
Northwest 5 to 7, decreasing 3 or 4, then backing south 5 or 6, veering west or southwest later.
Sea State
Rough or very rough, occasionally high at first in west, becoming moderate or rough.
Weather
Showers then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
The Minch
Back to Top24 hour forecast:
Wind
Northwest gale 8 to storm 10, decreasing 5 to 7 later.
Sea State
Very rough or high near northern and southern entrances, otherwise moderate or rough.
Weather
Squally wintry showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwest 5 to 7, backing west 3 or 4, then south or southwest 5 to 7.
Sea State
Moderate or rough, occasionally very rough at first near entrances, becoming slight or moderate in central areas.
Weather
Showers then rain or drizzle.
Visibility
Good, occasionally poor.
Ardnamurchan Point to Cape Wrath including the Outer Hebrides
Back to Top24 hour forecast:
Wind
Northwest gale 8 to storm 10, decreasing 5 to 7 later.
Sea State
High or very high, becoming very rough or high later.
Weather
Squally wintry showers.
Visibility
Moderate or poor, becoming good later.
Outlook for the following 24 hours:
Wind
Northwest 5 to 7, backing west 3 or 4, then south or southwest 5 to 7.
Sea State
Very rough or high, becoming moderate or rough.
Weather
Showers then rain or drizzle.
Visibility
Moderate or good, occasionally poor.
Shetland Isles
Back to Top24 hour forecast:
Wind
Westerly veering northwesterly, severe gale 9 or storm 10 at first in south otherwise 6 to gale 8, veering northerly 7 to severe gale 9.
Sea State
Very rough or high, occasionally very high at first in southwest and rough in sheltered east.
Weather
Squally showers.
Visibility
Good, occasionally poor.
For Coastal areas up to 60 nautical miles from Lerwick, Shetland
Back to TopValid Sunday 22 Dec 2024 at 0000 UTC until Sunday 22 Dec 2024 at 1200 UTC
General situation:
A deep low northeast of Shetland Saturday night will move east overnight before moving south along the Norwegian coast and into NW Denmark during Sunday.
Forecast:
Wind
Cyclonic becoming north or northwesterly 6 to gale 8, but severe gale 9 or storm 10 in south at first.
Sea State
Very rough or high, occasionally very high in southwest at first. moderate or rough in sheltered waters east of shetland.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.
Outlook for 12 Hours from 1200 UTC on Sunday 22 Dec until 0000 UTC on Monday 23 Dec:
Wind
Northerly 7 to severe gale 9, occasionally 6 west later.
Sea State
Very rough or high, but moderate or rough in sheltered waters east of shetland.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.
The Channel Islands
Back to Top24 hour forecast:
Wind
West to northwest 7 to gale 8, occasionally with gusts to 55kt until late afternoon, decreasing 6 to 7 during the evening.
Sea State
Rough to very rough.
Weather
Rain and drizzle confined to the south, soon clearing occasional showers by dawn, locally heavy with a risk of hail, becoming isolated during the afternoon.
Visibility
Good, occasionally moderate, perhaps locally poor at times.
Outlook for the following 24 hours:
Wind
Northwest 6 to 7, decreasing 5 to 6 during Monday morning, further decreasing 4 to 5 by midday, backing west to southwest later.
Sea State
Rather rough to rough, locally very rough at first, decreasing slight to moderate Monday afternoon.
Weather
Rain and drizzle spreading eastwards by late afternoon Monday.
Visibility
Good, occasionally moderate or poor.
Inshore Waters information supplied by the on behalf of the .
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