Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 150000UTC, low 53 north 32 west 996 expected 54 north 30 west 992 by 160000UTC. Low 58 north 17 east 996 expected 59 north 21 east 998 by same time. High 65 north 43 west 1025 dissipating.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

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

Shannon

Wind
Variable 2 to 4, becoming southwest 3 to 5.
Sea state
Moderate.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Rockall

Wind
Southeasterly becoming cyclonic later, 3 to 5, occasionally 6 at first.
Sea state
Moderate, occasionally rough in northwest.
Weather
Rain.
Visibility
Good, occasionally moderate.

Bailey

Wind
East or southeast 3 to 5, occasionally 6.
Sea state
Slight or moderate, becoming moderate or rough in west.
Weather
Rain.
Visibility
Good, occasionally moderate.

Faeroes

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

Southeast Iceland

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

East Northern Section

In north

Wind
Easterly or southeasterly 4 to 6, increasing 6 or 7, occasionally gale 8 later, but decreasing variable 2 to 4 at times in far northwest.
Sea state
Moderate or rough, occasionally slight at first in north and very rough at times later in west.
Weather
Occasionally rain, fair at times in north, moderate or good.
Visibility

In south

Wind
Easterly or southeasterly 5 to 7, becoming cyclonic 3 to 5.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

West Northern Section

In north

Wind
Easterly or northeasterly 4 to 6, occasionally 3 in north, increasing 6 or 7, occasionally gale 8 later in southeast, but decreasing variable 2 to 4 at times in far northwest.
Sea state
Moderate or rough, occasionally very rough later in southeast.
Weather
Occasional rain and drizzle, fog patches in northwest.
Visibility
Moderate or good, occasionally poor, but very poor at times in northwest.

In south

Wind
Northerly or northeasterly 5 to 7, occasionally 4 in west and cyclonic 2 to 4 in far southeast, perhaps gale 8 at times later in north.
Sea state
Mainly rough, occasionally moderate later in southwest.
Weather
Rain and drizzle, with fog patches at first in south.
Visibility
Moderate or good, occasionally poor, but very poor at first in south.

East Central Section

Wind
Cyclonic, mainly southerly or southwesterly 4 to 6, occasionally 3 at first and 7 later in northwest.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

West Central Section

In north

Wind
Cyclonic becoming mainly westerly or northwesterly, 4 to 6, occasionally 7 later.
Sea state
Moderate or rough.
Weather
Rain or showers, fog patches later.
Visibility
Moderate or good, occasionally poor, but very poor at times later.

In south

Wind
Cyclonic mainly westerly 4 to 6, occasionally 7 at first and 3 later in west.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Denmark Strait

Wind
Variable 3 or less.
Sea state
Slight, becoming moderate in far south.
Weather
Drizzle and fog banks.
Visibility
Moderate to very poor, occasionally good in east.

North Iceland

Wind
Variable 2 to 4.
Sea state
Slight, occasionally moderate in southeast.
Weather
Occasional drizzle and fog banks in northwest, mainly fair elsewhere.
Visibility
Moderate or good, but poor or very poor in northwest.

Norwegian Basin

Wind
Northerly 3 to 5, but 5 to 7 at first in southeast, occasionally 2 later in west.
Sea state
Moderate, occasionally rough at first in far south.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours

Gales expected in Southeast Iceland, East Northern Section and 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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