Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 121200UTC, low 51 north 48 west 1000 expected 52 north 43 west 992 by 131200UTC. New low expected 60 north 10 east 1002 by same time. Lows 44 north 37 west 1005 and 63 north 09 west 998 losing their identities

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4, becoming southeasterly 3 to 5.
Sea state
Moderate or rough.
Weather
Fog patches.
Visibility
Moderate, occasionally very poor.

Shannon

Wind
West 4 to 6, becoming variable 2 to 4.
Sea state
Moderate or rough, occasionally very rough at first in north.
Weather
Occasional drizzle.
Visibility
Good, occasionally poor.

Rockall

Wind
West 5 to 7, occasionally gale 8 at first, becoming variable 2 to 4 later.
Sea state
Rough or very rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
West veering northwest 4 to 6.
Sea state
Rough, occasionally very rough in south.
Weather
Rain or showers.
Visibility
Moderate or good.

Faeroes

Wind
Cyclonic, becoming north or northeast, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic becoming northeasterly 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

East Northern Section

In north

Wind
Westerly or northwesterly 3 to 5, becoming variable 2 to 4, then easterly or southeasterly 3 to 5 later.
Sea state
Moderate or rough.
Weather
Showers at first.
Visibility
Good, occasionally moderate.

In south

Wind
Westerly 4 to 6, becoming variable 2 to 4, then southeasterly 4 to 6 later.
Sea state
Moderate or rough, occasionally very rough at first in far southeast.
Weather
Fair at first, then rain in southwest.
Visibility
Good, becoming moderate or poor in southwest.

West Northern Section

In north

Wind
Northerly, veering easterly or northeasterly, 3 to 5.
Sea state
Moderate, occasionally rough in south.
Weather
Mainly fair.
Visibility
Moderate or good, occasionally poor in northwest.

In south

Wind
Variable 2 to 4, becoming easterly 5 to 7, occasionally gale 8 in west.
Sea state
Rough, occasionally moderate at first.
Weather
Fair at first, then rain at times, fog patches later in south.
Visibility
Good, becoming moderate or poor, occasionally very poor later in south.

East Central Section

In north

Wind
Variable 2 to 4, becoming southerly or southeasterly 4 to 6.
Sea state
Moderate or rough, occasionally very rough at first in far northeast.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Southerly or southeasterly 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

West Central Section

Wind
Cyclonic 5 to 7.
Sea state
Moderate or rough.
Weather
Rain at times and fog patches.
Visibility
Moderate or good, occasionally very poor.

Denmark Strait

Wind
Northeasterly 4 to 6 at first in southeast, otherwise variable 2 to 4.
Sea state
Moderate or rough at first in far south, otherwise slight or moderate.
Weather
Fog banks in northwest.
Visibility
Poor or very poor in northwest, moderate or good in southeast.

North Iceland

In far southeast

Wind
Northeasterly 4 to 6, backing northerly 3 or 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers, fog patches later.
Visibility
Moderate or good, occasionally very poor later.

In rest of area

Wind
variable 2 to 4, becoming cyclonic 3 to 5 later in northwest.
Sea state
Slight or moderate.
Weather
Fog banks.
Visibility
Moderate or poor, occasionally very poor.

Norwegian Basin

Wind
Cyclonic, becoming northerly or northeasterly later, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain at times, showers later.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours

Gales likely in West Northern Section, both central sections and Norwegian Basin.

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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