Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 191200UTC, low 47 north 51 west 993 expected 49 north 43 west 988 by 201200UTC. Low 48 north 30 west 1003 and low northern Scotland 1008, both losing their identities by same time. New low expected 62 north 18 west 1011 by that time. at 191200UTC, high 75 north 09 west 1034 expected 76 north 08 west 1032 by 201200UTC. New high 55 north 15 west 1019 by same time.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Variable 3 or 4, becoming southeasterly 4 or 5 in west.
Sea state
Moderate, becoming slight except in west.
Weather
Fair.
Visibility
Good.

Shannon

Wind
Northwest 3 or 4, occasionally 5 at first, becoming variable later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Rockall

Wind
Northwest 3 or 4, occasionally 5 at first, becoming variable later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Bailey

Wind
West or northwest 3 or 4, occasionally 5 at first.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Easterly or southeasterly, becoming variable, 3 or 4, occasionally 5 at first in north.
Sea state
Slight, occasionally moderate at first.
Weather
Rain, fog patches.
Visibility
Moderate, occasionally very poor.

Southeast Iceland

Wind
Northeasterly 5 to 7, but easterly or southeasterly 3 or 4 in east.
Sea state
Moderate, occasionally rough at first in west and slight later in east.
Weather
Rain, fog patches.
Visibility
Moderate, occasionally very poor.

East Northern Section

In northeast

Wind
Northerly or northwesterly 4 or 5, becoming cyclonic 5 or 6.
Sea state
Slight or moderate.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Variable 3 or 4, becoming southeasterly 4 or 5 later.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

West Northern Section

In northwest

Wind
Northerly or northeasterly 5 to 7.
Sea state
Moderate or rough.
Weather
Rain but sleet near ice edge.
Visibility
Moderate to very poor.

In rest of region

Wind
Variable 3 or 4 at first in northeast, otherwise easterly 5 or 6, backing northeasterly 5 to 7.
Sea state
Slight or moderate, occasionally rough later in south.
Weather
Mainly fair.
Visibility
Good.

East Central Section

Wind
Cyclonic 5 to 7, becoming southerly or southeasterly later.
Sea state
Moderate or rough, but slight in northeast.
Weather
Fair in northeast, but elsewhere occasional rain or showers.
Visibility
Good in northeast, but elsewhere moderate or good, occasionally poor.

West Central Section

Wind
Cyclonic 5 to 7, occasionally gale 8 later.
Sea state
Moderate or rough, occasionally slight at first in northeast and very rough later in southwest.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Northeasterly 5 to 7, occasionally gale 8 in far southwest.
Sea state
Slight or moderate in northeast, but elsewhere moderate or rough.
Weather
Occasional rain but snow in southwest.
Visibility
Moderate or good, occasionally very poor in southwest.

North Iceland

Wind
Variable 3 or 4 in far north and also in far southeast, but elsewhere northeasterly 5 or 6.
Sea state
Slight or moderate.
Weather
Rain or drizzle and fog patches at first in south, fair in north.
Visibility
Moderate or good, occasionally very poor at first in south.

Norwegian Basin

Wind
Variable 3 or 4.
Sea state
Slight, occasionally moderate in far northwest.
Weather
Showers, fog patches in west.
Visibility
Moderate or good, occasionally very poor in west.

Outlook for following 24 hours

Severe gales expected in West Northern Section, with gales expected in East Northern Section, West Central Section and Denmark Strait.

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

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.

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.