Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 221200UTC, 45 north 24 west 975 expected 46 north 24 west 985 by 231200UTC. New low expected 49 north 30 west 988 by same time. High 63 north 30 west 1037 dissipating by that time. New high expected 56 north 01 west 1034 by 231200UTC.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Easterly or southeasterly 4 to 6, occasionally 7 until later in west.
Sea state
Rough or very rough in west, but moderate or rough in east.
Weather
Showers at first.
Visibility
Moderate or good.

Shannon

Wind
Easterly or southeasterly 5 to 7, occasionally gale 8 at first, decreasing 4 at times later.
Sea state
Moderate or rough, occasionally very rough until later.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Rockall

Wind
In southwest, easterly or southeasterly 5 to 7, decreasing 4 at times later. in northeast, easterly or southeasterly 4 to 6, decreasing 3 or 4 later.
Sea state
In southwest, moderate or rough, but occasionally very rough at first. in northeast, slight or moderate.
Weather
In southwest, occasional rain. in northeast, fair.
Visibility
In southwest, good, occasionally poor. in northeast, moderate or good.

Bailey

Wind
In south, easterly or southeasterly 4 to 6, decreasing 3 or 4 later. in north, variable 2 to 4.
Sea state
Slight or moderate.
Weather
In south, fair . in north, fair.
Visibility
In south, moderate or good. in north, good.

Faeroes

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Southeast Iceland

Wind
Southwesterly 3 to 5, occasionally 6 later in northeast.
Sea state
Slight or moderate.
Weather
Fair, fog patches in northeast.
Visibility
Good, occasionally very poor in northeast.

East Northern Section

In northern half of the area

Wind
Cyclonic, mainly westerly or southwesterly 3 to 5 in north, elsewhere variable 2 to 4, but becoming easterly 4 or 5 later in south.
Sea state
Slight or moderate, occasionally rough later in southwest.
Weather
Fog patches or drizzle near Iceland.
Visibility
Moderate or good, occasionally very poor near Iceland.

In southern half of the area

Wind
Easterly or southeasterly 4 to 6, occasionally 7 at first in west, decreasing 3 at times later.
Sea state
Rough, occasionally moderate in northeast and very rough at times in south.
Weather
Rain at times in south and later in north.
Visibility
Good, occasionally poor in south and later in north.

West Northern Section

In northern half of the area

Wind
Southwesterly 4 to 6 in north and west, but variable 2 to 4 in south and east, then becoming variable 2 to 4 in north, and easterly or northeasterly 4 or 5 in south.
Sea state
Moderate.
Weather
Fog banks in extreme northwest.
Visibility
Moderate or good, but very poor in extreme northwest.

In southern half of the area

Wind
Easterly or northeasterly 4 to 6, occasionally 7 at first.
Sea state
Rough, but occasionally moderate in northwest and very rough in southwest.
Weather
Mainly fair, occasional rain later in southeast.
Visibility
Moderate or good, occasionally poor later in southeast.

East Central Section

In northern half of the area

Wind
Cyclonic, easterly or northeasterly 6 to gale 8, veering easterly or southeasterly 5 to 7 later.
Sea state
Rough or very rough.
Weather
Rain at times, perhaps thundery for a time.
Visibility
Moderate or good, occasionally poor.

In southern half of the area

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 for a time later.
Sea state
Rough or very rough, occasionally high at first in west.
Weather
Rain or showers, perhaps thundery.
Visibility
Good, occasionally poor.

West Central Section

Wind
Cyclonic 5 to 7, decreasing 4 at times in south and west.
Sea state
Rough or very rough, occasionally moderate at first in northwest and high in southeast.
Weather
Rain or showers, perhaps thundery at times, moderate or good, occasionally poor.

Denmark Strait

Wind
Cyclonic, mainly southwesterly 4 to 6, occasionally 7 at first and 3 later.
Sea state
Moderate, occasionally rough at first, and slight at times in far east.
Weather
Mainly fair in south and east, but fog banks in west and north, drizzle at times.
Visibility
Moderate to very poor in west and north, but moderate or good in east.

North Iceland

In north of area

Wind
Cyclonic at first and later, otherwise northerly or northeasterly veering easterly or southeasterly, 4 to 6, occasionally 7 at first, and decreasing 3 at times later.
Sea state
Moderate, occasionally slight near ice in west.
Weather
Mainly fair in north, fog patches in south.
Visibility
Moderate or good, occasionally very poor in south. Light icing at first in northwest, with temperatures around ms02 or ms03.

In south or area

Wind
Cyclonic, mainly westerly, 4 to 6, occasionally 7 at first in west, decreasing 3 at times later.
Sea state
Moderate or rough, becoming moderate, occasionally slight later in west.
Weather
Drizzle and fog banks.
Visibility
Moderate to very poor, occasionally good.

Norwegian Basin

Wind
Cyclonic, mainly westerly at first, then northwesterly later, but often southwesterly near norway, 4 to 6.
Sea state
Moderate or rough.
Weather
Drizzle at times, fog patches for a time in northwest.
Visibility
Moderate or good, becoming poor at times, but occasionally very poor for a time in northwest.

Outlook for following 24 hours

Gales expected East Central Section and north Iceland.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

The 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.