Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 060000UTC, low 57 north 41 west 998 expected 60 north 32 west 994 by 070000UTC. Low 65 north 01 east 997 expected 64 north 04 east 997 by same time. Highs 50 north 07 west 1025 and 67 north 17 west 1014 both dissipating

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 3 or less.
Sea state
Slight, occasionally moderate at first in west.
Weather
Fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
West or southwest, veering west or northwest later, 3 to 5.
Sea state
Slight, occasionally moderate.
Weather
Occasional drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Rain, fog patches.
Visibility
Moderate to very poor.

Bailey

Wind
Cyclonic 4 to 6, becoming southwest 3 to 5 later.
Sea state
Moderate occasionally rough.
Weather
Rain, fog patches.
Visibility
Moderate to very poor.

Faeroes

Wind
Variable 2 to 4 in northeast, otherwise cyclonic 3 to 5.
Sea state
Moderate.
Weather
Occasional rain, fog patches in southwest.
Visibility
Moderate or good, occasionally very poor in southwest.

Southeast Iceland

Wind
Easterly or northeasterly, veering southeasterly later, 4 to 6.
Sea state
Moderate, occasionally slight at first then rough later in far west.
Weather
Rain in southwest.
Visibility
Good, occasionally poor in southwest.

East Northern Section

In area north of 61 north

Wind
Easterly 5 to 7, occasionally gale 8 just south of iceland and in west, veering southerly or southeasterly 4 or 5 in far south.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches developing in far south.
Visibility
Moderate or good, occasionally very poor in far south and poor elsewhere.

In southern half or area

Wind
Southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate to very poor, occasionally good later in west.

In rest of area

Wind
Cyclonic 3 to 5, increasing 6 at times mainly in north.
Sea state
Moderate occasionally rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

West Northern Section

In southeastern half of area

Wind
Cyclonic 3 to 5, occasionally 6 in south, becoming southwesterly 4 to 6 later.
Sea state
Moderate occasionally rough.
Weather
Rain or drizzle with fog banks, becoming mainly fair in southwest and later in southeast.
Visibility
Moderate or poor, occasionally very poor, becoming moderate or good in southwest and later in southeast.

In northwestern half of area

Wind
Northeasterly 5 to 7, becoming cyclonic 3 to 5 in far southeast.
Sea state
Moderate or rough.
Weather
Mainly fair until later in northwest, otherwise occasional rain with fog patches.
Visibility
Mainly good until later in northwest, otherwise moderate or good, occasionally very poor.

East Central Section

In southeastern half of area

Wind
Variable 2 to 4.
Sea state
Moderate, occasionally slight in southeast.
Weather
Occasional drizzle or showers.
Visibility
Good, occasionally poor.

In northwestern half of area

Wind
Southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate to very poor.

West Central Section

Wind
Southerly or southwesterly, becoming cyclonic later, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle and fog banks, then showers in northwest and later in far west.
Visibility
Moderate to very poor, becoming moderate or good in northwest and later in far west.

Denmark Strait

Wind
Southerly 3 to 5 in far north, but elsewhere variable 2 to 4, becoming easterly or northeasterly 3 to 5, occasionally 6 later in west.
Sea state
Slight or moderate.
Weather
Occasional rain in southeast, fog patches developing, becoming fog banks later in north and west.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In southeastern half of area

Wind
Cyclonic mainly easterly or northeasterly, 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

In northwestern half of area

Wind
Southerly or southeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle in southeast, fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Cyclonic, becoming northerly or northwesterly later, 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, fair later in west.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours

Risk of gales in East 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.

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