Inshore Waters
Valid
From: Mon 15th Sep at 12:00 UTC
To: Tue 16th Sep at 12:00 UTC
Summary
An area of low pressure will become slow-moving over the northern North Sea today and it will remain unsettled with either rain or squally showers, and it will also be very windy near english and welsh coasts, where gales will continue at first. A transient ridge of high pressure will edge in from the west on Tuesday ahead of an approaching area of low pressure on Wednesday, bringing strengthening winds and rain.
Issued at: 12:00 UTC on 15th Sep
Regions
From Cape Wrath to Rattray Head including Orkney
Back to Top24 hour forecast:
Wind
Northerly or northeasterly, backing westerly or northwesterly later, 4 to 6, occasionally 7 in east.
Sea State
Moderate or rough, but slight or moderate in Moray Firth.
Weather
Rain then showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Westerly or northwesterly 4 to 6, occasionally 7 at first in east, veering northeasterly, then southeasterly later.
Sea State
Moderate or rough at first except in Moray Firth, otherwise slight or moderate, but becoming smooth or slight later in south.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate.
Rattray Head to Berwick on Tweed
Back to Top24 hour forecast:
Wind
Cyclonic 3 to 5 becoming west or northwest 4 to 6, occasionally 7 near Rattray Head.
Sea State
Moderate or rough near Rattray Head, elsewhere slight or moderate.
Weather
Occasional rain or showers, perhaps thundery at first.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
West or northwest 4 to 6, occasionally 7 at first near Rattray Head, backing southeast later.
Sea State
Slight or moderate becoming slight later.
Weather
Mainly fair, rain later.
Visibility
Good, occasionally moderate later.
Berwick on Tweed to Whitby
Back to Top24 hour forecast:
Wind
West or southwest 4 to 6, occasionally 7 at first.
Sea State
Slight or moderate.
Weather
Showers, perhaps thundery at first.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
West backing south or southeast later, 4 to 6.
Sea State
Slight or moderate.
Weather
Showers then fair, rain later.
Visibility
Good, occasionally moderate.
Whitby to Gibraltar Point
Back to Top24 hour forecast:
Wind
Southwesterly 5 to 7, occasionally gale 8 at first in south, veering westerly 4 to 6 later.
Sea State
Slight or moderate.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Westerly, backing southerly or southwesterly later, 4 to 6.
Sea State
Slight or moderate.
Weather
Showers then fair, rain later.
Visibility
Good, becoming moderate occasionally poor later.
Gibraltar Point to North Foreland
Back to Top24 hour forecast:
Wind
Southwesterly 6 to gale 8, veering westerly 4 to 6 later.
Sea State
Slight or moderate, occasionally rough at first in east.
Weather
Showers.
Visibility
Good, occasionally moderate.
Outlook for the following 24 hours:
Wind
Westerly, backing southerly or southwesterly later, 4 to 6, occasionally 7 later in south.
Sea State
Slight or moderate, occasionally smooth later in Thames estuary and the wash.
Weather
Mainly fair, rain later.
Visibility
Good, becoming moderate occasionally poor later.
North Foreland to Selsey Bill
Back to Top24 hour forecast:
Wind
Southwesterly 6 to gale 8, increasing severe gale 9 at times, veering westerly 4 to 6 later.
Sea State
Rough or very rough, becoming moderate or rough later.
Weather
Showers, squally at first.
Visibility
Good occasionally moderate.
Outlook for the following 24 hours:
Wind
Westerly backing southwesterly 4 to 6, increasing 6 or 7 later.
Sea State
Moderate or rough, becoming slight or moderate.
Weather
Rain at times later.
Visibility
Good, occasionally moderate later.
Selsey Bill to Lyme Regis
Back to Top24 hour forecast:
Wind
West or southwest 6 to gale 8, decreasing 4 to 6 later.
Sea State
Rough or very rough, becoming moderate or rough later.
Weather
Showers, squally at first.
Visibility
Good occasionally moderate.
Outlook for the following 24 hours:
Wind
West backing southwest 4 to 6, increasing 6 or 7 later.
Sea State
Moderate or rough, becoming slight or moderate for a time.
Weather
Rain at times later.
Visibility
Good, occasionally moderate later.
Lyme Regis to Lands End including the Isles of Scilly
Back to Top24 hour forecast:
Wind
Southwest 6 to gale 8 veering west 5 to 7, then backing southwest 3 to 5 later.
Sea State
High at first near the Isles of Scilly, otherwise rough or very rough, becoming moderate or rough later.
Weather
Showers, squally at first.
Visibility
Good occasionally moderate.
Outlook for the following 24 hours:
Wind
South or southwest 3 to 5, increasing 6 or 7 later.
Sea State
Moderate or rough, becoming slight for a time in east but becoming very rough later near the Isles of Scilly.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.
Lands End to St Davids Head including the Bristol Channel
Back to Top24 hour forecast:
Wind
West 6 to gale 8, decreasing 4 or 5 later.
Sea State
Very rough or high at first near pembrokeshire, otherwise rough or very rough, becoming slight or moderate later in east.
Weather
Showers, squally at first.
Visibility
Good occasionally moderate.
Outlook for the following 24 hours:
Wind
West 4 or 5, backing south or southwest 5 or 6, increasing 7 or gale 8 for a time later.
Sea State
Moderate or rough, but slight or moderate at first in east, then occasionally very rough later in far west.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.
St Davids Head to Great Ormes Head, including St Georges Channel
Back to Top24 hour forecast:
Wind
West or southwest 6 to gale 8, decreasing 4 to 6 later.
Sea State
Rough or very rough, becoming moderate or rough, then slight or moderate later.
Weather
Showers, squally at first.
Visibility
Good occasionally moderate.
Outlook for the following 24 hours:
Wind
West or southwest 4 to 6, backing south or southwest 5 or 6, increasing 7 or gale 8 for a time later.
Sea State
Slight or moderate, becoming moderate or rough later.
Weather
Mainly fair, then rain until later.
Visibility
Good, becoming moderate or poor until later.
Great Ormes Head to the Mull of Galloway
Back to Top24 hour forecast:
Wind
Westerly or northwesterly 6 to gale 8, occasionally severe gale 9 at first in south, decreasing 4 to 6 later.
Sea State
Moderate or rough, becoming slight or moderate later.
Weather
Showers, squally at first.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
West 4 to 6, backing south 3 to 5, becoming cyclonic 5 to 7 later.
Sea State
Slight or moderate, becoming moderate or rough later.
Weather
Mainly fair, then rain until later.
Visibility
Good, becoming moderate or poor until later.
Isle of Man
Back to Top24 hour forecast:
Wind
West 6 or 7, occasionally gale 8 at first, decreasing 5 or 6 later.
Sea State
Moderate or rough, becoming slight or moderate later.
Weather
Rain or showers, becoming mainly fair later.
Visibility
Good, occasionally moderate.
Outlook for the following 24 hours:
Wind
West or southwest 4 to 6, backing south 3 to 5, backing southeast 5 or 6 later.
Sea State
Slight or moderate, becoming moderate or rough later.
Weather
Mainly fair, rain later.
Visibility
Mainly good, becoming moderate later.
Lough Foyle to Carlingford Lough
Back to Top24 hour forecast:
Wind
Westerly or northwesterly, 4 to 6, occasionally 7 at first in south.
Sea State
Moderate or rough at first in north, otherwise slight or moderate.
Weather
Squally showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
West or northwest 4 to 6 backing southwest 2 to 4, becoming cyclonic 5 to 7 later.
Sea State
Slight or moderate, occasionally rough later in far north.
Weather
Showers, then rain until later.
Visibility
Good, becoming moderate or poor until later.
The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel
Back to Top24 hour forecast:
Wind
Westerly or northwesterly 4 to 6, occasionally 7 at first in North Channel.
Sea State
Slight or moderate, occasionally smooth in Firth of Clyde.
Weather
Squally showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Westerly or northwesterly 4 to 6, backing southerly 2 to 4, then becoming cyclonic 5 to 7 later.
Sea State
Slight or moderate, becoming smooth or slight for a time, becoming moderate or rough later in North Channel.
Weather
Showers, then rain until later.
Visibility
Good, becoming moderate or poor until later.
Mull of Kintyre to Ardnamurchan Point
Back to Top24 hour forecast:
Wind
Northwesterly 4 to 6, occasionally 7 at first in far south, backing westerly 3 to 5 later.
Sea State
Moderate or rough.
Weather
Rain or squally showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
West or southwest 3 to 5, backing southeast 6 to gale 8 later, then veering southwest later.
Sea State
Moderate or rough, becoming slight or moderate for a time.
Weather
Showers, rain later.
Visibility
Good, becoming moderate occasionally poor.
The Minch
Back to Top24 hour forecast:
Wind
Northeast backing west or northwest, 4 to 6.
Sea State
Slight or moderate, occasionally rough near entrances.
Weather
Showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwesterly 3 to 5 becoming variable 3 or less, then southeasterly 4 to 6 later, occasionally 7 later in south.
Sea State
Slight or moderate, becoming smooth or slight for a time except in north, becoming moderate or rough later.
Weather
Showers, rain later.
Visibility
Moderate or good, occasionally poor later.
Ardnamurchan Point to Cape Wrath including the Outer Hebrides
Back to Top24 hour forecast:
Wind
Northeast backing west or northwest, 4 to 6.
Sea State
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally poor.
Outlook for the following 24 hours:
Wind
Northwesterly 4 to 6, becoming variable 2 to 4, then southerly or southeasterly 5 to 7 later, perhaps gale 8 later in south.
Sea State
Moderate or rough.
Weather
Showers, rain later.
Visibility
Moderate or good, occasionally poor later.
Shetland Isles
Back to Top24 hour forecast:
Wind
Northeast backing northwest, 4 to 6.
Sea State
Moderate, occasionally rough in south and later in west.
Weather
Showers.
Visibility
Good, occasionally poor.
For Coastal areas up to 60 nautical miles from Lerwick, Shetland
Back to TopValid Monday 15 Sep 2025 at 1200 UTC until Tuesday 16 Sep 2025 at 0000 UTC
General situation:
A deep low positioned over northern Scotland moves slowly eastward through Monday.
Forecast:
Wind
Eastrly or northeasterly, 4 to 6, occasionally 7 in far south at first, backing northwesterly later.
Sea State
Moderate, rough in southeast at times.
Weather
Showers.
Visibility
Good, occasionally poor.
Outlook for 12 Hours from 0000 UTC on Tuesday 16 Sep until 1200 UTC on Tuesday 16 Sep:
Wind
Northwesterly 4 to 6, occasionally 7 in far south.
Sea State
Moderate, becoming rough in the west.
Weather
Showers
Visibility
Good, occasionally poor.
The Channel Islands
Back to Top24 hour forecast:
Wind
West 6 to 7 with gusts to 45kt, perhaps locally gale 8 at first, decreasing 5 to 6 around midnight, then 4 to 5 by mid-morning tomorrow.
Sea State
Rough to very rough, decreasing moderate to rough tomorrow.
Weather
Isolated showers.
Visibility
Good, locally moderate at times.
Outlook for the following 24 hours:
Wind
West to southwest 4 to 5, decreasing 2 to 4 for a time in the afternoon and evening, backing southwest by midnight, occasionally 6 mid-channel later.
Sea State
Moderate to rather rough, decreasing slight with a low swell by evening, increasing moderate to rough on Wednesday.
Weather
Patchy rain or drizzle at times, mainly overnight.
Visibility
Good or very good, locally moderate at times.
Inshore Waters information supplied by the on behalf of the .
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