Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 200000UTC, high 54 north 22 west 1036 slow-moving, intensifying 1038 by 210000UTC. Low 75 north 21 west 1007 expected 70 north 08 east with little change by same time. New low expected 66 north 39 west 1015 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Shannon

Wind
Northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Rockall

Wind
Northerly or northwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Drizzle at times.
Visibility
Good, occasionally moderate.

Bailey

Wind
Westerly or northwesterly 4 or 5, occasionally 6 in north.
Sea state
Moderate, occasionally rough in north.
Weather
Occasional drizzle.
Visibility
Good, occasionally poor.

Faeroes

Wind
Variable 2 to 4 at first in northeast, otherwise westerly or northwesterly 3 to 5, increasing 5 or 6.
Sea state
Moderate, occasionally slight at first then becoming rough at times.
Weather
Occasional drizzle, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first and poor later.

Southeast Iceland

Wind
Cyclonic 3 to 5 in far north, otherwise westerly 5 to 7, occasionally 4 at first, perhaps gale 8 later.
Sea state
Moderate or rough.
Weather
Drizzle later, fog patches in northeast.
Visibility
Moderate or good, occasionally very poor in northeast.

East Northern Section

In north

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate, occasionally rough in northwest and far northeast.
Weather
Occasional rain or drizzle, fog patches later.
Visibility
Moderate or good, occasionally poor at first and very poor later.

In south

Wind
Westerly or southwesterly 3 to 5 in north and variable 2 to 4 in south.
Sea state
Moderate, occasionally slight in south.
Weather
Occasional drizzle or showers, then rain and fog patches later in northwest.
Visibility
Moderate or good, occasionally very poor later in northwest.

West Northern Section

In north

Wind
Southerly or southwesterly 4 to 6, becoming cyclonic 3 to 5 later in far northwest.
Sea state
Moderate, occasionally rough in north.
Weather
Rain or drizzle at times with fog patches.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Southerly or southeasterly 4 to 6, occasionally 3 at first in west.
Sea state
Moderate, occasionally rough later in west.
Weather
Rain or drizzle at times with fog patches.
Visibility
Moderate or poor, occasionally very poor.

East Central Section

In southeastern half of area

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

In northwestern half of area

Wind
Variable 2 to 4.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

West Central Section

In east

Wind
Southeasterly, backing easterly in far southeast, 3 to 5.
Sea state
Moderate, occasionally slight in east.
Weather
Showers, but drizzle and fog patches in northwest.
Visibility
Moderate or good, occasionally very poor in northwest.

In west

Wind
Southerly or southeasterly 3 to 5, occasionally 2 at first, increasing 5 or 6 in north.
Sea state
Moderate, occasionally rough later in northwest.
Weather
Occasional rain or drizzle with fog patches, becoming fog banks.
Visibility
Moderate or poor, occasionally very poor.

Denmark Strait

In far northeast

Wind
Variable 2 to 4, becoming northerly or northeasterly 3 to 5, veering southerly later.
Sea state
Slight, occasionally moderate in south.
Weather
Fog patches.
Visibility
Moderate or good, occasionally very poor.

In rest of area

Wind
Southwesterly 4 to 6, occasionally 7 at first in east, becoming variable 2 to 4 later in north and west.
Sea state
Moderate occasionally rough.
Weather
Rain or drizzle with fog banks.
Visibility
Moderate to very poor, occasionally good in far southeast.

North Iceland

In north

Wind
Cyclonic becoming northerly, 3 to 5, then becoming variable 2 to 4 later.
Sea state
Slight or moderate.
Weather
Occasional drizzle with fog patches, but fog banks in west.
Visibility
Moderate to very poor, occasionally good in east.

In south

Wind
Cyclonic 3 to 5 until later in southeast, otherwise westerly or southwesterly, veering westerly or northwesterly later, 4 to 6, occasionally 7 at first in west.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate or poor, occasionally very poor.

Norwegian Basin

Wind
Variable 2 to 4, becoming southwesterly 4 to 6 in north and west and later in southeast, then veering westerly or northwesterly later in west.
Sea state
Moderate, occasionally slight at first in south and east, and rough later in west.
Weather
Occasional rain or drizzle, fog patches in northwest.
Visibility
Moderate or good, occasionally very poor in northwest and poor elsewhere.

Outlook for the following 24 hours

No gales expected.

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