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Weather warnings may have been issued

Storm warnings

Storm warnings, issued by the Met Office, on behalf of the Maritime and Coastguard Agency.

Sole Shannon East Central Section West Central Section.

Issued: 2000 UTC on Friday 20 October 2017

At 201200UTC, low 51 north 18 west 959 expected 54 north 05 west 977 by 211200UTC. Winds are expected to reach storm force 10 in the southern and western semi circle between 100 and 350 miles of the centre until 211800UTC. Winds are also expected to reach violent storm force 11 between 150 and 250 miles of the centre in the southwestern quadrant until 210800UTC. Developing low moving rapidly northeast expected 47 north 41 west 971 by 211200UTC, winds are expected to reach storm force 10 or violent storm force 11 in the southern and eastern semi circles between 50 and 350 miles of the centre in the West Central Section from 210900UTC. Winds are also expected to reach hurricane force 12 in the southern and eastern semi circles between 50 and 100 miles of the centre from 211500UTC.

High seas overview

High seas forecasts are issued twice daily at 0930 and 2130 GMT and cover the next 24 hours and outlooks for the following 24 hours.

The part of the North Atlantic known as Metarea I is divided into twelve sea areas, six of which are also in the Shipping forecast.

The high seas forecast contains a general synopsis and sea-area forecasts containg forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

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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