Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 131200UTC, low 59 north 18 east 995 expected 59 north 06 east 986 by 141200UTC. Low 51 north 54 west 992 expected 54 north 48 west 991 by same time. New high expected 66 north 14 west 1017 by that time. at 131200UTC, high 46 north 32 west 1036 expected 45 north 28 west 1034 by 141200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northwest 5 or 6, increasing 7 at times.
Sea state
Rough, occasionally very rough.
Weather
Showers.
Visibility
Good.

Shannon

Wind
North or northwest 5 or 6, occasionally 7 at first.
Sea state
Very rough becoming rough.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
North or northwest 5 or 6, occasionally 7 at first, decreasing 4 at times later.
Sea state
Very rough becoming rough, becoming moderate later in north.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
Northerly or northwesterly 4 or 5, occasionally 6 at first in east.
Sea state
Very rough at first in far southeast, elsewhere rough, becoming moderate later.
Weather
Rain then showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
North 4 to 6, occasionally 7 later.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Northerly 4 or 5 in east, otherwise variable 2 to 4.
Sea state
Slight or moderate, but rough at first in south.
Weather
Showers.
Visibility
Good.

East Northern Section

In north

Wind
Westerly or northwesterly 3 to 5 at first in south, otherwise variable, becoming southerly or southwesterly later, 2 to 4.
Sea state
Moderate, occasionally rough at first in far southeast, becoming slight later in far north.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

In south

Wind
Westerly or northwesterly, backing southwesterly later in far west, 4 to 6.
Sea state
Rough until later in east, otherwise moderate.
Weather
Occasional rain or drizzle, fog patches in west.
Visibility
Moderate or good, occasionally very poor in west.

West Northern Section

In far northwest

Wind
Variable 3 or less, becoming easterly or northeasterly 4 or 5, increasing 6 to gale 8 later.
Sea state
Slight, becoming moderate later.
Weather
Fog banks, rain or sleet later.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Southwesterly 3 to 5, backing southerly or southwesterly 5 to 7.
Sea state
Moderate or rough, becoming very rough later in far southwest.
Weather
Occasional rain or drizzle, fog banks.
Visibility
Moderate or poor, occasionally very poor.

In rest of area

Wind
Southerly or southwesterly 3 to 5.
Sea state
Moderate, occasionally rough later in south.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

In northeast

Wind
Westerly or northwesterly 4 to 6.
Sea state
Moderate, occasionally rough in east.
Weather
Occasional drizzle.
Visibility
Moderate or good.

In southwest

Wind
Variable 2 to 4 in far southwest, otherwise northerly or northwesterly, backing southwesterly later in far west, 3 to 5.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

West Central Section

Wind
Variable 3 or less at first in far southeast, otherwise southerly, veering southwesterly later, 5 to 7, occasionally gale 8 later in far west.
Sea state
Slight or moderate, becoming rough or very rough except in far southeast.
Weather
Rain at times in west.
Visibility
Good, occasionally moderate in west.

Denmark Strait

Wind
Variable 2 to 4, becoming northeasterly 5 to 7 later in far southwest.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, fog banks, occasional sleet near ice edge.
Visibility
Moderate or poor, occasionally very poor.

North Iceland

In far southeast

Wind
Northerly 4 to 6.
Sea state
Slight or moderate.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

In rest of area

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, sleet at times near ice edge, fog banks.
Visibility
Moderate or poor, occasionally very poor.

Norwegian Basin

Wind
Northeasterly 4 to 6, backing northerly 6 or 7, occasionally gale 8 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Showers, rain later in east.
Visibility
Moderate or good, occasionally poor later in east.

Outlook for the following 24 hours

Risk of severe gales in Denmark Strait. Gales expected in West Northern Section and West Central 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.