Inshore waters forecast and strong winds

General situation

The ridge of high pressure extending westwards across the British Isles will start to decline slowly into the weekend, but it will still maintain relatively light winds with fog patches across northern parts. Stronger easterly or northeasterly winds will affect southern areas at times with heavy showers and a risk of thunder at times.

Cape Wrath to Rattray Head including Orkney

24 hour forecast: East or southeast 3 to 5. Smooth or slight. Occasional drizzle and fog patches until later. Moderate or good, occasionally very poor until later.

Outlook for the following 24 hours: Easterly or southeasterly, 2 to 4, occasionally 5 in northwest. Smooth or slight, occasionally moderate later in north. Occasional drizzle. Moderate or good, occasionally poor.

Rattray Head to Berwick upon Tweed

24 hour forecast: Variable becoming northeast, 2 to 4. Smooth or slight. Drizzle and fog patches until later. Moderate or good, occasionally very poor until later.

Outlook for the following 24 hours: East or northeast 2 to 4. Slight, occasionally smooth in Firth of Forth. Occasional drizzle. Moderate or good.

Berwick upon Tweed to Whitby

24 hour forecast: Northeast 2 to 4. Slight, occasionally moderate in far south. Drizzle, fog patches until later. Moderate or good, occasionally very poor until later.

Outlook for the following 24 hours: Northeast 3 or 4. Slight. Mainly fair. Moderate or good.

Whitby to Gibraltar Point

24 hour forecast: East or northeast 3 to 5. Slight, occasionally moderate until later. Mainly fair. Moderate or good.

Outlook for the following 24 hours: East or northeast 3 or 4. Slight. Fair. Good.

Gibraltar Point to North Foreland

24 hour forecast: Easterly or northeasterly 3 to 5. Slight, occasionally moderate at first. Showers later in south, perhaps thundery. Good, occasionally poor later in south.

Outlook for the following 24 hours: Easterly or northeasterly 3 to 5, veering southeasterly later in south. Slight, occasionally smooth in Thames estuary. Fair at first in north otherwise showers, perhaps thundery. Good, occasionally poor.

North Foreland to Selsey Bill

24 hour forecast: Easterly or northeasterly 3 or 4. Smooth or slight. Showers, perhaps thundery. Good, occasionally poor.

Outlook for the following 24 hours: Easterly or southeasterly 3 to 5, becoming cyclonic 2 to 4 later. Smooth or slight, occasionally moderate near Selsey Bill. Thundery showers or rain. Good, occasionally poor.

Selsey Bill to Lyme Regis

24 hour forecast: East or northeast 3 to 5. Smooth or slight. Showers, perhaps thundery. Good, occasionally poor.

Outlook for the following 24 hours: East or northeast 3 to 5, veering south or southeast 4 to 6, then southwest 3 or 4 later. Smooth or slight becoming slight or moderate for a time. Thundery showers or rain. Good, occasionally poor.

Lyme Regis to Lands End including the Isles of Scilly

24 hour forecast: North or northeast 3 to 5. Smooth or slight, occasionally moderate at first. Showers, perhaps thundery. Good, occasionally poor.

Outlook for the following 24 hours: East or northeast becoming cyclonic, 3 to 5, then west or southwest 4 to 6 later. Smooth or slight, occasionally moderate later in far west. Thundery showers or rain. Good, occasionally poor.

Lands End to St Davids Head including the Bristol Channel

24 hour forecast: East or northeast 3 to 5. Smooth or slight, occasionally moderate at first in far west. Showers, perhaps thundery. Good, occasionally poor.

Outlook for the following 24 hours: East or northeast 3 to 5, becoming cyclonic 4 to 6. Smooth or slight, becoming slight or moderate later except in Bristol Channel. Thundery showers or rain. Good, occasionally poor.

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

24 hour forecast: East or northeast 3 to 5. Smooth or slight. Showers, perhaps thundery. Good.

Outlook for the following 24 hours: East or northeast 4 to 6. Smooth or slight, becoming slight or moderate. Rain or showers, perhaps thundery. Good.

Great Orme Head to the Mull of Galloway - Strong wind warning

24 hour forecast: Easterly or northeasterly 3 to 5, occasionally 6 in north. Smooth or slight, occasionally moderate in north. Occasional showers later in south. Good, occasionally poor later in south.

Outlook for the following 24 hours: Easterly or northeasterly 3 to 5, occasionally 6 in north. Smooth or slight, occasionally moderate in north. Occasional showers in south, perhaps thundery. Good, occasionally poor in south.

Isle of Man - Strong wind warning

24 hour forecast: Mainly northeast 3 to 5, isolated 6 in the north. Slight occasionally moderate. Fair. Good.

Outlook for the following 24 hours: Mainly northeast 4 to 6, decreasing 3 to 5 later. Slight or moderate, becoming slight later. Mainly fair. Good.

Lough Foyle to Carlingford Lough

24 hour forecast: East or northeast 3 to 5. Smooth or slight, occasionally moderate in southeast. Fair. Good.

Outlook for the following 24 hours: Easterly or northeasterly 3 to 5, occasionally 6 in south. Smooth or slight, occasionally moderate in southeast. Fair, showers later in south. Good.

Mull of Galloway to Mull of Kintyre including the Firth of Clyde and North Channel - Strong wind warning

24 hour forecast: Easterly or northeasterly 3 to 5, occasionally 6 later. Smooth or slight. Fair. Good.

Outlook for the following 24 hours: Easterly or northeasterly 4 to 6. Smooth or slight. Fair. Good.

Mull of Kintyre to Ardnamurchan Point

24 hour forecast: Easterly or southeasterly, 3 to 5 becoming variable 2 to 4 later except in far south. Smooth or slight. Fair. Good occasionally poor.

Outlook for the following 24 hours: Variable 2 to 4, but easterly 4 to 6 in south, becoming northerly or northeasterly 3 or 4 later. Smooth or slight. Fair. Good occasionally poor.

The Minch

24 hour forecast: Variable 2 to 4. Smooth or slight. Occasional drizzle, fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 2 to 4. Smooth or slight. Occasional drizzle, fog patches until later. Moderate or good, occasionally very poor until later.

Ardnamurchan Point to Cape Wrath

24 hour forecast: Variable 2 to 4. Slight, occasionally smooth. Occasional drizzle, fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 2 to 4. Slight, occasionally smooth in south. Occasional drizzle, fog patches until later. Moderate or good, occasionally very poor until later.

Shetland Isles

24 hour forecast: East or southeast, backing northeast later, 2 to 4. Smooth or slight, occasionally moderate at first. Occasional drizzle and fog patches, fair later. Moderate or good, occasionally very poor until later.

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

Valid Friday 20 Sep 2024 at 1800 UTC until Saturday 21 Sep 2024 at 0600 UTC

General situation: Ridge of high pressure will cover Shetland Waters

Forecast: East or southeast 2 to 4. Slight or moderate. Occasional mist and drizzle, fog patches. Moderate or poor, occasionally very poor.

Outlook for 12 Hours from 0600 UTC on Saturday 21 Sep until 1800 UTC on Saturday 21 Sep: East 2 to 4. Slight. Early mist and fog patches, otherwise fair. Good, occasionally poor or very poor at first.

Channel Islands

24 hour forecast: Northeast to east 3 to 5, veering east to southeast 2 to 4 overnight, backing northeast in the afternoon, locally variable 1 to 2 at times, mainly near showers. Perhaps moderate in the far west at first, otherwise smooth to slight. Occasional haze isolated thundery showers, mainly tomorrow afternoon. Moderate to good, perhaps locally poor.

Outlook for the following 24 hours: Northeast to east 2 to 4, becoming cyclonic for a time overnight and early Sunday morning, locally 5 and gusty at times, then becoming southwesterly later. Smooth to slight, with a low swell developing. Showers, locally heavy and perhaps thundery, becoming widespread and prolonged midnight, then isolated by dawn. Moderate to good, occasionally poor.