Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 101200UTC, low 47 north 49 west 1001 expected 55 north 45 west with little change by 111200UTC. High 53 north 21 west 1025 expected 56 north 16 west 1032 by same time. Low 74 north 10 west 999 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northeast 4 to 6.
Sea state
Moderate, occasionally rough in far west.
Weather
Mainly fair.
Visibility
Good, occasionally poor.

Shannon

Wind
Northeast 4 to 6.
Sea state
Moderate, occasionally rough in west.
Weather
Thundery showers at first.
Visibility
Moderate or good.

Rockall

Wind
In northwest, variable 2 to 4. in southeast, northerly or northeasterly 4 to 6.
Sea state
In northwest, moderate, occasionally slight later. in southeast, moderate.
Weather
In northwest, fair. in southeast, occasional rain at first.
Visibility
In northwest, good. in southeast, good, occasionally poor.

Bailey

Wind
Southwesterly 3 to 5, becoming variable 2 or 3 in southeast.
Sea state
Moderate, occasionally rough at first in north.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Southwesterly 3 to 5, becoming variable 2 in far south.
Sea state
Moderate, occasionally rough at first, becoming slight at times in east.
Weather
Showers.
Visibility
Good.

Southeast Iceland

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

East Northern Section

Wind
Variable 2 to 4 in far southeast, but elsewhere southerly or southwesterly 4 to 6.
Sea state
Moderate, occasionally rough in north and slight later in southeast.
Weather
Showers, then occasional drizzle with fog patches in northwest.
Visibility
Moderate or good, occasionally very poor in northwest.

West Northern Section

In north

Wind
Cyclonic 3 to 5 in far northwest, but elsewhere, southerly or southwesterly 4 to 6, backing southeasterly 6 or 7 later in southwest.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate to very poor.

In south

Wind
Southwesterly backing southerly or southeasterly, 4 to 6, increasing 6 or 7 later in west, perhaps gale 8 later in west.
Sea state
Moderate, occasionally rough later.
Weather
Occasional drizzle, rain later in west, fog patches.
Visibility
Moderate to very poor.

East Central Section

In southeastern half of area

Wind
Northerly or northeasterly 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Occasional drizzle or showers.
Visibility
Good, occasionally poor.

In northwestern half of area

Wind
Variable 2 to 4, becoming northeasterly 4 to 6 in southeast, and southeasterly 3 to 5 later in northwest.
Sea state
Moderate occasionally slight.
Weather
Mainly fair, occasional drizzle later in southeast.
Visibility
Moderate or good, occasionally poor later in southeast.

West Central Section

In east

Wind
Southerly or southeasterly 3 to 5, occasionally 2 at first, increasing 6 at times later in west.
Sea state
Moderate occasionally slight, becoming rough at times later in far west.
Weather
Occasional drizzle and fog patches until later in northwest, otherwise fair.
Visibility
Moderate or good, occasionally very poor until later in northwest.

In west

Wind
Southerly or southeasterly 4 to 6, increasing 7 at times until later, becoming cyclonic 3 or 4 later in far southwest.
Sea state
Moderate or rough, occasionally slight at first in northeast and very rough at first in far southwest.
Weather
Occasional rain, drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

Denmark Strait

Wind
Variable 2 to 4 throughout in far northeast, and cyclonic 3 to 5 until later in south near greenland, otherwise southerly or southwesterly 4 to 6, increasing 6 to gale 8 in east.
Sea state
Moderate or rough, occasionally very rough later in east.
Weather
Occasional rain or drizzle, fog patches except in far southeast.
Visibility
Moderate or good, occasionally poor in far southeast and very poor elsewhere.

North Iceland

In north

Wind
Cyclonic 3 to 5, becoming southerly or southwesterly 4 to 6 except in northwest, increasing 6 to gale 8 in southwest and then later in east.
Sea state
Slight or moderate becoming moderate or rough, occasionally very rough later.
Weather
Occasional rain or drizzle with fog patches, but fog banks in northwest.
Visibility
Moderate to very poor in northwest, but elsewhere moderate or good, occasionally very poor.

In south

Wind
Southerly or southwesterly 4 to 6, increasing 6 to gale 8 in northwest.
Sea state
Moderate or rough, occasionally very rough later in northwest.
Weather
Occasional rain or drizzle, fog patches for a time in far northwest.
Visibility
Moderate or good, occasionally poor but very poor for a time in far northwest.

Norwegian Basin

In southeastern half of area

Wind
Variable 2 to 4, becoming northerly or northwesterly 4 to 6 in southeast.
Sea state
Moderate, occasionally slight at first in southeast.
Weather
Occasional drizzle and fog patches at first near norway coast, otherwise mainly fair.
Visibility
Moderate to very poor at first near norway coast, otherwise good.

In northwestern half of area

Wind
Westerly or southwesterly 3 to 5, becoming variable 2 to 4 later in southeast.
Sea state
Moderate, occasionally rough at first in west and slight later in south.
Weather
Showers at first.
Visibility
Good.

Outlook for the following 24 hours

Gales expected in east and West Northern Sections, Denmark Strait 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.

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