Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 141200UTC, high 45 north 28 west 1034 expected 38 north 32 west with little change by 151200UTC. New low expected 62 north 39 west 995 by same time. High 67 north 14 west 1017 expected 69 north 14 west 1014 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
North or northwest 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
Northerly or northwesterly 4 to 6, decreasing 3 at times later.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
North becoming cyclonic, 3 to 5.
Sea state
Moderate, occasionally rough at first.
Weather
Showers then occasional rain.
Visibility
Moderate or good.

Bailey

Wind
Variable 2 to 4, becoming southeast 3 to 5 later.
Sea state
Moderate.
Weather
Showers.
Visibility
Moderate or good.

Faeroes

Wind
In east, northerly 6 to gale 8, occasionally 5 later. in west, northerly 3 to 5, occasionally 6 at first.
Sea state
In east, rough occasionally very rough. in west, moderate or rough.
Weather
In east, squally showers. in west, showers.
Visibility
In east, good, occasionally moderate. in west, good.

Southeast Iceland

Wind
Northerly 5 at first in east, otherwise variable 2 to 4, becoming southeasterly 4 or 5 later in west.
Sea state
Moderate, occasionally slight in northwest.
Weather
Showers.
Visibility
Good.

East Northern Section

Wind
Cyclonic 3 to 5, increasing 6 at times in west and far northeast, becoming westerly or southwesterly 5 to 7 later in far southwest.
Sea state
Slight or moderate at first in north, otherwise moderate or rough, becoming very rough later in far southwest.
Weather
Rain or drizzle at times, showers later in southwest.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In far northwest near greenland

Wind
Northeasterly 6 to gale 8, increasing severe gale 9 at times.
Sea state
Moderate or rough, occasionally slight at first.
Weather
Rain or snow.
Visibility
Moderate to very poor.

In rest of north of area

Wind
Cyclonic 3 to 5, increasing 6 at times in north and west.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches, then occasional rain or showers in southwest and also later in northeast.
Visibility
Moderate or good, occasionally poor, but very poor until later in northeast and at first in southwest.

In south

Wind
Southerly or southwesterly becoming cyclonic, 4 to 6, occasionally 7 in southwest, then increasing 6 to gale 8 in south, becoming westerly 6 to gale 8 later.
Sea state
Rough or very rough.
Weather
Rain or drizzle at first in east, otherwise occasional rain or squally showers.
Visibility
Moderate or good, occasionally poor.

East Central Section

In east

Wind
Westerly or northwesterly, becoming cyclonic later, 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional drizzle mainly in north, rain at times later.
Visibility
Moderate or good, occasionally poor later.

In west

Wind
Westerly or southwesterly 4 to 6, occasionally 3 at first, veering westerly or northwesterly 4 to 6 later, increasing 7 at times later in north.
Sea state
Moderate becoming moderate or rough, then rough or very rough later.
Weather
Fair then rain, showers later.
Visibility
Good, occasionally poor.

West Central Section

Wind
Westerly or southwesterly 5 to 7, increasing gale 8 at times in north and northwest, veering westerly or northwesterly 4 to 6 later in southwest, but becoming variable 2 to 4 later in far southwest.
Sea state
Rough or very rough, occasionally moderate in south and high in north.
Weather
Rain then showers, squally at times, becoming fair later in south and west.
Visibility
Moderate or good, occasionally poor at first.

Denmark Strait

Storm warning
Issued:

New low expected 62 north 39 west 995 by 151200UTC. Northeasterly winds are expected to reach storm force 10 at times west of 34 west in Denmark Strait from 150400UTC.

In area west of 30 west

Wind
Easterly or northeasterly 7 to severe gale 9, occasionally storm 10 in west.
Sea state
Slight or moderate, becoming rough at times.
Weather
Occasional rain, but with sleet, snow and freezing rain at times in north and west, fog patches.
Visibility
Moderate to very poor, occasionally good at first.

In area east of 30 west

Wind
Variable 2 to 4 in northeast, otherwise easterly or northeasterly 4 to 6, occasionally 7 in west.
Sea state
Slight or moderate, occasionally rough later in southwest.
Weather
Rain at times in south with snow near greenland in south, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

Wind
Northerly 4 to 6 in far southeast and southeasterly 4 to 6 in far southwest, otherwise variable 2 to 4.
Sea state
Slight or moderate, occasionally rough in far southeast.
Weather
Wintry showers, fog patches at first in far east then developing in far west.
Visibility
Moderate or good, occasionally very poor in far west and at first in far east.

Norwegian Basin

In east

Wind
Northerly 6 to gale 8 at first in west, otherwise cyclonic 4 to 6, decreasing 3 at times mainly later.
Sea state
Moderate or rough, occasionally very rough at first in southwest.
Weather
Rain at first in west.
Visibility
Good, occasionally poor at first in west.

In west

Wind
Northerly 6 to gale 8, decreasing 4 to 6 later.
Sea state
Rough or very rough.
Weather
Rain at times mainly in east.
Visibility
Good, occasionally poor in east.

Outlook for the following 24 hours

Storms expected in Denmark Strait with gales in both east and West Northern Sections and both east and West Central Sections.

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.