Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 230000UTC, low 67 north 33 west 994 expected 72 north 04 west 990 by 240000UTC. High 46 north 33 west 1035 expected 44 north 34 west 1034 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
North or northeast 3 to 5.
Sea state
Slight or moderate, becoming smooth or slight.
Weather
Fair.
Visibility
Good.

Shannon

Wind
North or northwest 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Rockall

Wind
West or northwest 3 to 5, occasionally 6 later in north.
Sea state
Slight or moderate, occasionally rough in north.
Weather
Occasional drizzle.
Visibility
Moderate or good.

Bailey

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

Faeroes

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Southwesterly veering westerly later, 5 to 7.
Sea state
Rough.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

East Northern Section

Wind
Westerly or southwesterly 5 or 6, increasing 7 at times in north.
Sea state
Moderate or rough.
Weather
Occasional rain, becoming fair for a time.
Visibility
Moderate or good, occasionally poor.

West Northern Section

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 at first in far west, becoming variable 2 to 4 later in far northwest.
Sea state
Moderate or rough.
Weather
Mainly fair, rain and fog patches later.
Visibility
Good, becoming moderate or good later, occasionally very poor later.

East Central Section

In northwest of area

Wind
Westerly or southwesterly, becoming variable at times in south, 2 to 4, increasing 5 at times in north.
Sea state
Slight or moderate.
Weather
Occasional drizzle.
Visibility
Good, occasionally moderate.

In southeast of area

Wind
Northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

West Central Section

In north

Wind
Variable 2 to 4, becoming westerly or southwesterly 3 to 5, occasionally 6 later in west.
Sea state
Slight or moderate, occasional rough later in northwest.
Weather
Fog patches.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Denmark Strait

In an area north of 69 north

Wind
Variable 2 to 4, becoming northerly 5 or 6.
Sea state
Slight or moderate.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

In rest of area

Wind
Southwesterly becoming cyclonic, 4 to 6, increasing 7 or gale 8 at times in far southwest, becoming variable 2 to 4, then northeasterly 4 to 6 later in far southwest.
Sea state
Moderate, occasionally rough in south.
Weather
Rain at times in far east, otherwise occasional drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In north

Wind
Southerly or southeasterly, becoming cyclonic, 3 to 5, occasionally 6 later.
Sea state
Moderate, occasionally rough later.
Weather
Rain at times and fog patches.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Southerly or southwesterly, veering westerly, 4 to 6, occasionally 7 at first in southeast.
Sea state
Moderate, occasionally rough in southeast.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Variable 2 to 4 at first in far east, otherwise southwesterly 4 to 6, occasionally 7 later in far east.
Sea state
Moderate becoming rough.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Risk of gales in East Northern Section, West Northern Section and north Iceland.

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.

Take our short survey