Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 091200UTC, low 46 north 34 west 995 expected 51 north 33 west 988 by 101200UTC. Low 64 north 04 west 994 moving steadily eastwards and losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4, becoming southeasterly 5 later in west.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
Northwest 3 or 4 becoming variable 3 or less, then southeast 3 to 5 later.
Sea state
Moderate.
Weather
Occasional rain or showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
Northwest 3 or 4 becoming variable 3 or less, then southeast 3 to 5 later.
Sea state
Moderate.
Weather
Occasional rain or showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
North or northwest 3 to 5 becoming variable 2 to 4.
Sea state
Moderate or rough, becoming slight or moderate later.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Westerly or northwesterly 5 to 7, occasionally gale 8 at first in northeast, then decreasing 3 to 5 later.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Showers.
Visibility
Good, occasionally moderate.

Southeast Iceland

Wind
Westerly or northwesterly 4 to 6 becoming variable 2 to 4.
Sea state
Moderate or rough becoming slight or moderate.
Weather
Showers.
Visibility
Good.

East Northern Section

In northern half of the area

Wind
Northerly 3 to 5 at first in west, otherwise variable 2 to 4.
Sea state
Slight or moderate.
Weather
Showers at first in east.
Visibility
Good, occasionally moderate at first in east.

In southern half of the area

Wind
Variable 2 to 4 becoming easterly or southeasterly 4 to 6.
Sea state
Moderate, becoming rough later in west and south.
Weather
Showers then rain.
Visibility
Good, becoming moderate or good occasionally poor.

West Northern Section

In northern half of the area

Wind
Southerly or southwesterly 3 to 5 in northwest but variable mainly northeasterly 2 to 4 in southeast.
Sea state
Moderate becoming slight.
Weather
Fair.
Visibility
Good.

In southern half of the area

Wind
Easterly or northeasterly 4 to 6, occasionally 7 later in far south.
Sea state
Moderate or rough.
Weather
Fair, then rain in south and east, fog patches later in far southeast.
Visibility
Good, becoming moderate or poor in south and east, then occasionally very poor later in far southeast.

East Central Section

In eastern half of the area

Wind
Variable 2 to 4 becoming southerly or southeasterly 4 to 6.
Sea state
Slight or moderate at first in far south, otherwise moderate or rough.
Weather
Occasional rain or showers, perhaps thundery later.
Visibility
Good, occasionally poor.

In western half of the area

Wind
Southerly or southeasterly, veering southwesterly in south, 4 to 6, occasionally 7 until later.
Sea state
Moderate or rough.
Weather
Rain at times, perhaps thundery.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Cyclonic 5 to 7, occasionally gale 8 except in far south and far east.
Sea state
Moderate or rough at first in far northeast, otherwise rough or very rough.
Weather
Rain or showers, thundery at times, fog patches in central and northeastern parts.
Visibility
Moderate or good, becoming poor at times, but occasionally very poor in central and northeastern parts.

Denmark Strait

Wind
Southwesterly 4 or 5, occasionally 6 at first in south but becoming variable 2 to 4 to the north of 69 north.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

North Iceland

In area to the north of 69 north

Wind
Variable 3 or 4 at first in southeast, otherwise southwesterly 4 to 6 veering northerly 3 to 5, then becoming variable 2 to 4 later.
Sea state
Slight or moderate.
Weather
Fair, then occasional rain in east, then wintry showers later in far northeast, fog patches later.
Visibility
Good, occasionally poor, but becoming very poor at times later.

In area to the south of 69 north

Wind
Northwesterly 4 to 6 at first in east, otherwise westerly or southwesterly 3 to 5.
Sea state
Rough at first in far southeast, otherwise slight or moderate.
Weather
Occasional rain at first in far southeast, otherwise mainly fair.
Visibility
Good, occasionally moderate at first in far southeast.

Norwegian Basin

Wind
Cyclonic becoming northwesterly 4 to 6, occasionally 7 at first in west, decreasing 3 at times in east.
Sea state
Rough until later except in far northeast, otherwise moderate.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours

Gales expected in 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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