Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 090000UTC, low 64 north 04 west 1003 expected 68 north 07 east 1001 by 100000UTC. New low expected 64 north 15 west 1020 by same time. Low 40 north 16 west 998 slow-moving filling 1002 by that time. at 090000UTC, high 72 north 20 west 1028 expected 69 north 23 west 1025 by 100000UTC. High 55 north 30 west 1036 expected 54 north 27 west 1039 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northeasterly 6 to gale 8, but 4 or 5 at first in east.
Sea state
Rough or very rough, but moderate at first in east.
Weather
Thundery rain then fair.
Visibility
Moderate or good, occasionally poor.

Shannon

Wind
Northeast 6 to gale 8.
Sea state
Rough, becoming very rough in south.
Weather
Showers in south.
Visibility
Good.

Rockall

Wind
North 4 or 5, occasionally 6.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good.

Bailey

Wind
Northwest 3 to 5, increasing 6.
Sea state
Moderate or rough.
Weather
Wintry showers, rain later.
Visibility
Good occasionally moderate.

Faeroes

Wind
Northwesterly 5 to 7, occasionally gale 8 at first, becoming cyclonic 4 to 6.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Wintry showers, occasional rain later.
Visibility
Moderate or good, occasionally poor later.

Southeast Iceland

Wind
Northwesterly 5 to 7, becoming cyclonic 4 to 6.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Wintry showers, occasional rain later.
Visibility
Moderate or good, occasionally poor later.

East Northern Section

Wind
Westerly or northwesterly 4 to 6, occasionally 7 later in north, but variable 2 to 4 for a time in far southwest.
Sea state
Moderate or rough.
Weather
Showers, then occasional rain except in far southwest.
Visibility
Moderate or good, occasionally poor, except in far southwest.

West Northern Section

Wind
Variable 2 to 4 at first in far southeast, otherwise cyclonic in far northwest and southerly or southwesterly elsewhere, 4 to 6, occasionally 7 in west.
Sea state
Moderate or rough, becoming very rough in far southwest.
Weather
Occasional rain in north and far west, but sleet, snow and freezing rain with fog patches in far northwest near greenland.
Visibility
Moderate or good, occasionally poor in north and far west and very poor in far northwest near greenland. Occasional light icing developing near greenland.

East Central Section

In far northwest

Wind
Northeasterly 3 to 5, becoming variable 2 to 4.
Sea state
Moderate or rough.
Weather
Fair.
Visibility
Good.

In rest of area

Wind
Northeasterly 6 to gale 8.
Sea state
Rough or very rough, occasionally high at first in far south.
Weather
Occasional rain or showers in far southeast.
Visibility
Moderate or good, occasionally poor in far southeast.

West Central Section

In east

Wind
Variable 2 to 4 in north, otherwise northeasterly 4 to 6, occasionally 7 at first in far south.
Sea state
Moderate or rough, occasionally very rough in far south.
Weather
Fair.
Visibility
Good.

In west

Wind
Southerly or southeasterly 4 to 6, occasionally 7 in far north.
Sea state
Moderate or rough.
Weather
Fair.
Visibility
Good, occasionally moderate in far north.

Denmark Strait

Wind
Cyclonic 3 to 5, decreasing 2 at times in east, but increasing 6 later in far southwest.
Sea state
Slight or moderate, occasionally smooth in northwest.
Weather
Occasional rain, sleet and snow in south.
Visibility
Moderate or good, occasionally very poor in south.

North Iceland

In east

Wind
Northerly or northwesterly 5 to 7, occasionally gale 8 in south, decreasing 4 in far south.
Sea state
Moderate or rough, occasionally very rough at first in south.
Weather
Occasional sleet and snow.
Visibility
Moderate or good, occasionally very poor. Occasional light or moderate icing developing for a time in north with temperatures ms02 to ms05.

In west

Wind
Northerly or northwesterly 3 to 5, occasionally 6 in north.
Sea state
Slight or moderate, occasionally rough.
Weather
Snow showers at first in south.
Visibility
Good, occasionally poor at first in south.

In northwest

Wind
Variable 2 to 4, becoming northerly or northwesterly 3 to 5, increasing 5 or 6 later in east.
Sea state
Slight or moderate, occasionally rough later in southeast.
Weather
Snow showers.
Visibility
Good, occasionally poor. Occasional light or moderate icing later in east with temperatures ms02 to ms05.

Norwegian Basin

Wind
Cyclonic 6 to gale 8, becoming westerly or northwesterly 5 to 7, decreasing 4 later in southwest.
Sea state
Rough or very rough.
Weather
Occasional rain or squally wintry showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Gales expected in Sole, Shannon, East Central 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.