Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 070000UTC, low 60 north 33 west 991 expected 63 north 33 west 993 by 080000UTC. Low 55 north 45 west 995 expected 56 north 38 west 993 by same time. New low expected Iceland 999 by that time. at 070000UTC, high 42 north 23 west 1024 expected 43 north 17 west with little change by 080000UTC. Low 64 north 04 east 998 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4.
Sea state
Slight, occasionally moderate in west.
Weather
Fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Variable 2 to 4, becoming south 3 to 5 later.
Sea state
Moderate, occasionally slight in south.
Weather
Drizzle, fog patches.
Visibility
Moderate, occasionally very poor.

Rockall

Wind
Southwest 3 to 5, occasionally 6 at first.
Sea state
Moderate.
Weather
Rain, fog patches.
Visibility
Moderate, occasionally very poor.

Bailey

Wind
Cyclonic becoming mainly southwest, 3 to 5, occasionally 6 at first.
Sea state
Moderate.
Weather
Rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Faeroes

Wind
Cyclonic becoming mainly southwest, 3 to 5, occasionally 6 at first.
Sea state
Moderate.
Weather
Rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Cyclonic, becoming southwesterly later, 4 to 6, occasionally 7 at first in far west.
Sea state
Moderate, occasionally rough at first in far west.
Weather
Rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

In north

Wind
Easterly 6 to gale 8 at first in north, otherwise southerly or southwesterly 4 to 6, decreasing 3 at times later.
Sea state
Moderate or rough.
Weather
Rain at times and fog patches, then showers later in north and west.
Visibility
Moderate or good, occasionally very poor, becoming mainly good later in north and west.

In south

Wind
Southwesterly, becoming cyclonic later, 4 to 6, decreasing 3 at times later.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches except in far northwest.
Visibility
Moderate or good, occasionally very poor except in far northwest.

West Northern Section

In north

Wind
Cyclonic 4 to 6, increasing 7 at times in north and west, perhaps gale 8 later in northwest.
Sea state
Rough occasionally moderate.
Weather
Rain at times with fog patches, then showers in southeast.
Visibility
Moderate or good, occasionally very poor, becoming mainly good in southeast.

In south

Wind
Cyclonic, mainly southwesterly at first, 4 to 6, occasionally 7 in south.
Sea state
Rough occasionally moderate.
Weather
Rain or drizzle and fog patches at first in northwest, otherwise occasional rain or showers.
Visibility
Moderate to very poor at first in northwest, otherwise good, occasionally poor.

East Central Section

Wind
Variable 2 to 4 in far southeast, but elsewhere southerly or southwesterly, becoming cyclonic later, 4 to 6.
Sea state
Moderate, occasionally rough except in southeast.
Weather
Occasional drizzle in southeast, otherwise occasional rain with fog patches, fair later in far northwest.
Visibility
Moderate or good, occasionally very poor except in southeast and later in far northwest.

West Central Section

In north

Wind
Southwesterly 3 to 5 at first in east, otherwise cyclonic 4 to 6, increasing 7 at times in west and also later in east.
Sea state
Moderate or rough occasionally very rough.
Weather
Rain and fog patches at first in east, otherwise occasional rain or showers, squally at times.
Visibility
Moderate or good, occasionally very poor at first in east.

In south

Wind
Cyclonic, becoming mainly westerly, 4 to 6.
Sea state
Moderate, occasionally rough in north.
Weather
Occasional rain and fog patches, then showers in west and also later in east.
Visibility
Moderate or good, occasionally very poor until later in east and at first in west.

Denmark Strait

Wind
Variable 2 to 4 in far north, otherwise northeasterly, becoming cyclonic later, 4 to 6, increasing 7 at times later in west.
Sea state
Slight or moderate, but moderate or rough in far south.
Weather
Occasional rain and drizzle, fog patches in south and fog banks in north.
Visibility
Moderate to very poor, occasionally good in south.

North Iceland

In southeast

Wind
Cyclonic 3 to 5, occasionally 6 in south.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

In northwest

Wind
Southerly or southeasterly 3 to 5, decreasing 2 at times.
Sea state
Slight occasionally moderate.
Weather
Rain at times, fog patches in east and fog banks in west.
Visibility
Moderate to very poor, occasionally good in east.

Norwegian Basin

Wind
Northerly or northwesterly 4 to 6, becoming cyclonic, mainly southerly or southwesterly, 3 to 5 in west.
Sea state
Moderate, occasionally rough in far south and far northeast.
Weather
Occasional rain or showers in east, fair in west, then rain and fog patches later in west.
Visibility
Good, occasionally moderate in east, becoming moderate to very poor later in west.

Outlook for the following 24 hours

Gales expected in West Northern Section.

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

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.

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