Met Office

Inshore waters forecast

Issued by the Met Office at 1800 UTC on Thursday 19 April 2018

Inshore Waters Forecast to 12 miles offshore
for the period 1800 UTC Thursday 19 April to 1800 UTC Friday 20 April 2018

General situation

High pressure will build across the United Kingdom bringing quiet conditions, but for many coasts, a risk of sea fog.

Cape Wrath to Rattray Head including Orkney - Strong wind warning

24 hour forecast: Southerly or southwesterly 4 or 5, occasionally 6 in far northwest, becoming variable 3 at times in east. Slight or moderate in north, smooth or slight in east. Showers later. Good.

Outlook for the following 24 hours: Southwesterly veering westerly for a time, then backing southerly later, 4 or 5, becoming variable 3 at times in east. Slight or moderate in north, smooth or slight in east. Showers, mainly in north. Mainly good.


Rattray Head to Berwick upon Tweed

24 hour forecast: Variable, mainly south veering southwest, 3 or 4, occasionally 5 later. Smooth or slight. Mainly fair. Moderate or good, occasionally poor.

Outlook for the following 24 hours: Southwest backing south later, 3 or 4, occasionally 5 at first. Smooth or slight. Mainly fair. Mainly good.


Berwick upon Tweed to Whitby

24 hour forecast: Variable, mainly south veering west, 3 or 4. Smooth or slight. Fog patches developing. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less, becoming south 3 or 4, occasionally 5 later. Smooth or slight. Mainly fair. Moderate or good, occasionally poor at first.


Whitby to Gibraltar Point

24 hour forecast: Variable 3 or 4. Smooth or slight. Fog patches developing. Moderate, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less, becoming southeast 3 or 4, occasionally 5 later. Smooth, occasionally slight. Fog patches. Moderate occasionally very poor.


Gibraltar Point to North Foreland

24 hour forecast: Variable 3 or 4. Smooth or slight. Fog patches developing. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable, becoming easterly or northeasterly, 3 or 4. Smooth, occasionally slight. Fog patches. Moderate or good, occasionally very poor.


North Foreland to Selsey Bill

24 hour forecast: Variable 3 or less. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less, becoming northeasterly 3 or 4. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.


Selsey Bill to Lyme Regis

24 hour forecast: Variable 3 or less. Slight or moderate, becoming smooth in shelter. Fog patches later. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less, becoming east 3 or 4. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.


Lyme Regis to Lands End including the Isles of Scilly

24 hour forecast: Variable, mainly north 3 or 4, occasionally 5 later. Rough at first in far west, otherwise slight or moderate, becoming smooth at times later in Lyme Bay. Fog patches in far west. Moderate or good, occasionally very poor in far west.

Outlook for the following 24 hours: Northeast veering east 3 or 4. Smooth or slight in Lyme Bay, otherwise slight or moderate. Mainly fair. Moderate or good, occasionally poor.


Lands End to St Davids Head including the Bristol Channel

24 hour forecast: Variable 3 or less, becoming north or northeast 3 or 4 later. Slight in Bristol Channel, otherwise moderate. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable, mainly northeast at first, 3 or 4. Slight or moderate. Fog patches. Moderate or good, occasionally very poor.


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

24 hour forecast: Variable, mainly south, 3 or less. Slight or moderate, becoming smooth or slight in north. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less. Smooth or slight in north, slight or moderate in south. Fog patches. Moderate or good, occasionally very poor.


Great Orme Head to the Mull of Galloway

24 hour forecast: Variable, mainly south or southwest 3 or 4. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable, mainly south later, 3 or less. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.


Isle of Man

24 hour forecast: South or southwest 3 or 4. Smooth or slight. Fog patches. Poor or very poor, occasionally good.

Outlook for the following 24 hours: South 3 or 4, backing east or southeast 2 or 3 for a time. Smooth or slight. Fog patches. Poor or very poor, occasionally good.


Lough Foyle to Carlingford Lough

24 hour forecast: Variable, mainly southerly or southwesterly 3 or 4, occasionally 5 in north. Smooth or slight, occasionally moderate in northwest. Fog patches in east. Moderate or good, occasionally very poor in east.

Outlook for the following 24 hours: Variable, mainly southeast for a time, 3 or 4. Smooth or slight in east, slight or moderate in north. Fog patches in east. Moderate or good, occasionally very poor in east.


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

24 hour forecast: Variable, mainly southerly or southwesterly 3 or 4. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable, mainly southeasterly for a time, 3 or 4. Smooth or slight, becoming slight or moderate later in northern North Channel. Fog patches. Moderate or good, occasionally very poor.


Mull of Kintyre to Ardnamurchan Point - Strong wind warning

24 hour forecast: Southerly or southwesterly 4 or 5, occasionally 6 in north. Slight or moderate. Mainly fair. Moderate or good, occasionally poor in southeast.

Outlook for the following 24 hours: Southwesterly backing southerly 4 or 5. Slight or moderate. Mainly fair. Good, occasionally poor at first in southeast.


The Minch - Strong wind warning

24 hour forecast: South or southwest 5 or 6, decreasing 4 at times. Slight or moderate. Showers later. Mainly good.

Outlook for the following 24 hours: Southwest backing south, 4 or 5, increasing 6 at times. Slight or moderate, becoming smooth or slight in central areas. Showers at first. Good.


Ardnamurchan Point to Cape Wrath - Strong wind warning

24 hour forecast: South or southwest 5 or 6. Slight or moderate near Sutherland, otherwise moderate or rough. Showers later. Mainly good.

Outlook for the following 24 hours: Southwest backing south, 4 or 5, increasing 6 at times. Slight at times near Sutherland, otherwise moderate. Showers at first. Good.


Shetland Isles - Strong wind warning

24 hour forecast: Southerly 3 or 4, veering southwesterly 4 or 5, occasionally 6 in northwest. Moderate or rough in northwest, otherwise slight or moderate. Showers later. Good.

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

Valid Thursday 19 Apr 2018 at 1800 UTC until Friday 20 Apr 2018 at 0600 UTC

General situation: A mainly southwesterly airstream covers Shetland waters.

Forecast: Southerly or southwesterly 3 or 4 increasing 5 or 6 Moderate or rough, becoming slight in southeast Fair Mainly good

Outlook for 12 Hours from 0600 UTC on Friday 20 Apr until 1800 UTC on Friday 20 Apr: Southwesterly 5 or 6, occasionally 4 in southeast at first Moderate or rough, but slight in sheltered eastern waters Outbreaks of rain Moderate or good


Channel Islands

24 hour forecast: Northerly or variable 1 to 3, perhaps locally 4 at times. Smooth or slight. Mist or fog patches spreading from the north Friday morning. Good, locally moderate to very poor in mist or fog.

Outlook for the following 24 hours: Variable or northeast 1 to 3, becoming east 2 to 4 by dawn, then southwest late afternoon. Smooth or slight with a low swell. Mist or fog patches, becoming less extensive risk of showers Saturday afternoon near the French coast. Moderate to good, locally poor or very poor in mist or fog patches.