Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 300000UTC, complex low 57 north 36 west 998 and 64 north 37 west 997 expected single centre 65 north 35 west 984 by 010000UTC. New low expected north coast of Iceland 994 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Northerly or northwesterly, backing westerly or northwesterly later, 3 to 5.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
North backing west or northwest, 3 to 5.
Sea state
Rough becoming moderate.
Weather
Showers, then rain later.
Visibility
Good, becoming moderate or poor later.

Rockall

Wind
Northwest backing south or southwest, 3 to 5, veering west or northwest 4 to 6 later.
Sea state
Moderate or rough.
Weather
Showers then rain, fog patches developing.
Visibility
Moderate or good, occasionally poor at first and very poor later.

Bailey

Wind
Northwest backing south or southwest, 3 to 5, veering west or northwest 4 to 6 later.
Sea state
Moderate or rough.
Weather
Showers then rain, fog patches developing.
Visibility
Moderate or good, occasionally poor at first and very poor later.

Faeroes

Wind
West or northwest backing south or southwest, 3 to 5.
Sea state
Rough at first in south, otherwise slight or moderate.
Weather
Showers then fair, then rain and fog patches later.
Visibility
Good, becoming moderate to very poor later.

Southeast Iceland

Wind
Variable 2 to 4 becoming southerly 4 to 6, veering westerly or southwesterly 5 to 7 later.
Sea state
Moderate, occasionally slight near iceland.
Weather
Rain later, fog patches, especially in north.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Southeasterly at first in far north, otherwise southerly or southwesterly, 4 to 6, veering westerly or southwesterly 5 to 7, occasionally gale 8 in far west.
Sea state
Moderate or rough, becoming rough or very rough in west.
Weather
Rain for a time, perhaps thundery, then showers, fog patches at first.
Visibility
Moderate to very poor becoming moderate or good.

West Northern Section

In north

Wind
Cyclonic 4 to 6, becoming southwesterly 6 to gale 8 in south and east.
Sea state
Moderate or rough, becoming very rough in south and east.
Weather
Rain, perhaps thundery in east, then showers.
Visibility
Moderate or poor becoming moderate or good.

In south

Wind
Southerly at first in northeast, otherwise westerly or southwesterly, 6 to gale 8, occasionally severe gale 9 at first.
Sea state
Rough or very rough.
Weather
Rain or drizzle at times.
Visibility
Moderate or good, occasionally poor.

East Central Section

In southeastern half of the area

Wind
Variable 2 to 4 becoming cyclonic 3 to 5.
Sea state
Moderate.
Weather
Fair then rain, then becoming fair again later in north.
Visibility
Good, becoming moderate or poor for a time.

In northwestern half of the area

Wind
Southwesterly veering westerly or northwesterly, 4 to 6, occasionally 7 at first in far north, becoming variable 2 to 4 later in south.
Sea state
Moderate, becoming rough in north.
Weather
Rain, perhaps thundery, then becoming fair.
Visibility
Moderate or poor, becoming good.

West Central Section

In south

Wind
Southwesterly at first in southeast, otherwise northwesterly, 4 to 6, becoming variable 2 to 4.
Sea state
Rough at first in north, otherwise moderate.
Weather
Rain at first in southeast, otherwise fair.
Visibility
Moderate or poor at first in southeast, otherwise good.

In north

Wind
Northwesterly backing southwesterly 5 to 7, occasionally gale 8 at first in far north.
Sea state
Very rough at first in north, otherwise rough.
Weather
Thundery rain at first in far east, then rain or drizzle developing in far northwest, otherwise fair.
Visibility
Moderate or good, occasionally poor at first in far east, and also becoming poor at times in far northwest.

Denmark Strait

Wind
Cyclonic 4 to 6, increasing 7 or gale 8 for a time in west within 50 miles of the greenland coast.
Sea state
Slight or moderate, becoming moderate or rough in south.
Weather
Rain at times, perhaps freezing rain in far north, fog banks, but becoming mainly fair in south.
Visibility
Moderate to very poor, occasionally good.

North Iceland

Wind
Variable 2 to 4 at first in south and east, otherwise southerly or southeasterly 4 to 6, then becoming cyclonic later, and decreasing 3 later in north.
Sea state
Moderate.
Weather
Fog banks, or perhaps extensive fog at times, rain developing in south and west.
Visibility
Moderate to very poor, occasionally good.

Norwegian Basin

Wind
Westerly or southwesterly, veering northwesterly for a time, 4 or 5, occasionally 6 at first and 3 later.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for following 24 hours

Risk of gales at first in West Northern Section.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

The high seas forecast information

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 containing forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

Marine forecasts disclaimer

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.