Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 261200UTC, low 48 north 16 west 1003 losing its identity by 271200UTC. New low expected 49 north 11 west 1001 by same time. High 62 north 34 west 1028 expected 62 north 31 west 1022 by that time. at 261200UTC, high 41 north 38 west 1028 expected 37 north 34 west 1029 by 271200UTC. Low 69 north 18 west 1019 expected 74 north 13 west 1015 by same time. Low 60 north 56 west 999 expected 57 north 42 west 1003 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Cyclonic 4 to 6, occasionally 3 in east and 7 later in far west.
Sea state
Slight or moderate, occasionally rough in west.
Weather
Thundery rain or showers.
Visibility
Good, occasionally moderate or poor.

Shannon

Wind
Northeasterly 3 to 5, occasionally 6 in south.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good occasionally moderate.

Rockall

Wind
Northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good occasionally moderate.

Bailey

Wind
North or northeast, 2 to 4, occasionally 5 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
East 2 to 4.
Sea state
Slight occasionally moderate at first.
Weather
Fog patches.
Visibility
Good, occasionally very poor.

Southeast Iceland

Wind
Variable 2 to 4.
Sea state
Slight occasionally moderate at first.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Northerly or northeasterly, veering southeasterly later in far southwest, 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional rain.
Visibility
Moderate or good.

West Northern Section

In northeast

Wind
Northerly 4 or 5 at first in far east and becoming westerly 4 or 5 in far north, otherwise variable 2 to 4, becoming easterly or southeasterly 4 or 5 later in southwest.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Mainly good.

In southwest

Wind
Southeasterly 3 to 5 at first in northeast, otherwise cyclonic 4 to 6, occasionally 7 in south.
Sea state
Moderate or rough, occasionally very rough in west.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

East Central Section

In north

Wind
Northerly 3 to 5, occasionally 6 at first in east, becoming variable 2 to 4, then southerly 4 to 6 later in west.
Sea state
Moderate occasionally rough in far south.
Weather
Rain later in west, otherwise mainly fair.
Visibility
Good occasionally moderate later in west.

In south

Wind
Northerly 5 to 7, occasionally gale 8 at first, backing northwest 4 to 6, then southerly or southwesterly later in west.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

In north

Wind
Variable 2 to 4 at first in east, otherwise southerly or southeasterly 5 to 7, becoming cyclonic 4 to 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Variable 2 to 4 at first in east, otherwise southerly or southwesterly 4 to 6, veering westerly later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Northerly 4 or 5 at first in far east at first and becoming westerly 4 or 5 in far south, otherwise variable 2 to 4.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Mainly good.

North Iceland

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

Norwegian Basin

Wind
Variable becoming southeasterly 2 to 4.
Sea state
Slight.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Outlook for the following 24 hours

Gales possible in East Central 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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