Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 221200UTC, low 54 north 43 west 984 expected 55 north 40 west 987 by 231200UTC. New low expected 67 north 01 west 1007 by same time. High 71 north 28 west 1018 expected 74 north 08 west 1016 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4, but southwesterly 3 to 5 at first in west.
Sea state
Moderate.
Weather
Occasional rain, fog patches in east, fair later.
Visibility
Moderate or good, occasionally very poor in east until later.

Shannon

Wind
South or southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Rockall

Wind
South or southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
South or southwest 3 to 5, increasing 5 or 6 later.
Sea state
Moderate becoming rough.
Weather
Rain or showers.
Visibility
Moderate or good.

Faeroes

Wind
South or southwest 3 to 5, occasionally 6 later.
Sea state
Slight or moderate, occasionally rough later.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Variable 2 to 4, but northeasterly 5 or 6 at first in west, becoming cyclonic 4 to 6 later.
Sea state
Moderate, occasionally rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Cyclonic 4 to 6, occasionally 7 later in south.
Sea state
Moderate or rough, occasionally very rough later in far southwest.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

West Northern Section

Wind
Cyclonic 5 to 7, occasionally gale 8 in far west.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

East Central Section

Wind
Southerly or southwesterly 4 to 6, occasionally 7 in west at first.
Sea state
Moderate or rough, occasionally very rough later in far northwest.
Weather
Occasional rain or drizzle, fog patches later in far south.
Visibility
Moderate or good, occasionally very poor later in far south.

West Central Section

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 in far west.
Sea state
Rough or very rough, occasionally high at first in northwest.
Weather
Rain or wintry showers.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Northeasterly 4 to 6, occasionally 7 in far southwest.
Sea state
Slight or moderate, occasionally rough in southwest.
Weather
Fog banks until later near ice edge, occasional rain in far south.
Visibility
Moderate or good, occasionally very poor until later along ice edge.

North Iceland

In north

Wind
Variable 2 to 4.
Sea state
Slight, occasionally moderate.
Weather
Fog banks.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Cyclonic, mainly northeasterly, 3 to 5, occasionally 6 in far west.
Sea state
Slight or moderate.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate, occasionally slight.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or poor, occasionally very poor.

Outlook for the following 24 hours

Gales expected in West Northern Section and West 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.