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Weather warnings may have been issued

60 nm Shetland Isles

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

Valid Sunday 17 Dec 2017 at 1800 UTC until Monday 18 Dec 2017 at 0600 UTC

Shetland Isles

General situation

A ridge of high pressure topples across Shetland waters ahead of an approaching Atlantic frontal system.

Forecast

Northwesterly 6 to gale 8 decreasing 4 or 5, backing westerly later Very rough at first in west, otherwise moderate or rough Showers dying out Mainly good

Outlook

for 12 Hours from 0600 UTC on Monday 18 Dec until 1800 UTC on Monday 18 Dec Westerly 4 or 5 backing southwesterly 5 to 7, perhaps gale 8 later in west Moderate or rough, becoming very rough later in west Outbreaks of rain developing Moderate or good

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.

Caution: The internet is not part of the Maritime Safety Information system and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, updates may also be delayed. Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.

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