Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 220000UTC, low 59 north 49 west 996 moving slowly east, losing its identity by 230000UTC. New low expected 66 north 30 west 989 by same time. Low 42 north 19 west 994 expected 40 north 12 west 1007 by that time. at 220000UTC, high 52 north 25 west 1030 expected 52 north 18 west with little change by 230000UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northeast 4 or 5, occasionally 6.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Shannon

Wind
Northeast 3 to 5, veering east 2 to 4.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Rockall

Wind
Northwest, backing west or southwest, 3 or 4, occasionally 5 later.
Sea state
Slight or moderate, occasionally rough later in northwest.
Weather
Showers.
Visibility
Good occasionally moderate.

Bailey

Wind
West, backing southwest, 4 or 5, increasing 6 later.
Sea state
Moderate becoming rough.
Weather
Showers.
Visibility
Good occasionally moderate.

Faeroes

Wind
Southwest 3 to 5.
Sea state
Slight or moderate, occasionally rough later in southwest.
Weather
Showers.
Visibility
Good occasionally moderate.

Southeast Iceland

Wind
Southwesterly 4 to 6, occasionally 7 later.
Sea state
Moderate or rough.
Weather
Showers, rain later in far west.
Visibility
Moderate or good, occasionally poor later in far west.

East Northern Section

Wind
Westerly 3 or 4 at first in far southeast, otherwise southwesterly 5 to 7, increasing gale 8 for a time, then decreasing 4 later in far southwest.
Sea state
Moderate or rough, occasionally very rough.
Weather
Fair in far southeast, otherwise occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Cyclonic, becoming westerly, 6 to gale 8, occasionally 5 later.
Sea state
Rough occasionally very rough.
Weather
Occasional rain or squally showers, fog patches for a time, becoming fair later in far west.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Southerly 6 to gale 8, veering southwesterly 4 to 6, then veering westerly 3 or 4 later.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle then showers, fog patches at first.
Visibility
Moderate or poor, occasionally very poor at first, becoming good later in west.

East Central Section

In northwest

Wind
Variable 2 to 4, becoming southerly or southwesterly 5 to 7, occasionally gale 8 later.
Sea state
Moderate or rough.
Weather
Fair then occasional rain or showers.
Visibility
Moderate or good, occasionally poor later.

In southeast

Wind
Northeasterly 7 or gale 8, decreasing 4 to 6.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Showers then fair.
Visibility
Good, occasionally moderate at first.

West Central Section

In south

Wind
Southerly 3 to 5, occasionally 6 in east, veering westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

In north

Wind
Southerly 4 to 6, occasionally 7 at first in east, veering westerly or southwesterly 3 to 5.
Sea state
Moderate occasionally rough in east.
Weather
Rain and drizzle, fog patches.
Visibility
Moderate or poor, occasionally very poor, becoming good later in far west.

Denmark Strait

Storm warning
Issued:

At 220000UTC, low 59 north 49 west 996 moving slowly east, losing its identity by 230000UTC. New low expected 66 north 30 west 989 by same time. Northeasterly winds will reach storm force 10 within 60 miles of the Greenland coast, south of 68 north, from 222100UTC.

In area south of 71 north

Wind
Cyclonic 4 to 6, becoming northeasterly 7 to severe gale 9, occasionally storm 10 later within 60 miles of the greenland coast south of 68 north.
Sea state
Slight or moderate, becoming moderate or rough.
Weather
Occasional rain and drizzle, fog patches for a time.
Visibility
Moderate or good, occasionally very poor.

In area north of 71 north

Wind
Variable 2 to 4, becoming northeasterly 4 to 6.
Sea state
Slight or moderate, occasionally rough later in south.
Weather
Occasional rain at first in south.
Visibility
Good, occasionally moderate at first in south.

North Iceland

In north

Wind
Northeasterly 3 to 5, occasionally 6 in west.
Sea state
Slight or moderate.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Cyclonic 4 to 6.
Sea state
Slight or moderate, occasionally rough later.
Weather
Rain or showers, fog patches for a time.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

In west

Wind
Westerly or southwesterly 3 to 5, occasionally 6 in north.
Sea state
Slight or moderate.
Weather
Occasional rain or showers.
Visibility
Good occasionally moderate.

In east

Wind
Northerly or northwesterly, backing westerly or southwesterly, 3 to 5, but becoming variable 2 to 4 in south.
Sea state
Moderate becoming slight.
Weather
Showers, rain at times.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours

Storms expected at first in Denmark Strait, with gales or severe gales in East Northern Section, West Northern Section and north Iceland.

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.

Take our short survey