Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 221200UTC, low 49 north 37 west 1006 expected 55 north 30 west 1002 by 231200UTC. New low expected 68 north 15 west 990 by same time. Low 63 north 31 west 984 expected 63 north 32 west 989 by that time. at 221200UTC, high 70 north 20 east 1016 declining by 231200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Variable 3 or 4, becoming westerly 5 at times.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Northwest 3 or 4, backing southwest 4 or 5 later.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches.
Visibility
Moderate to very poor, becoming good for a time.

Rockall

Wind
West 4 to 6, backing south 5 to 7 later.
Sea state
Moderate or rough.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
Southwesterly 5 to 7, occasionally gale 8 in north, becoming cyclonic 4 to 6 later.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Faeroes

Wind
Southwesterly 5 to 7, occasionally gale 8 in northwest, occasionally 4 later.
Sea state
Moderate or rough, but becoming very rough for a time in northwest.
Weather
Rain and fog patches, showers later.
Visibility
Moderate or good, occasionally very poor at first.

Southeast Iceland

Wind
Cyclonic 4 to 6, becoming southwesterly 7 to severe gale 9, then decreasing 5 or 6 later.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Occasional rain with fog patches, showers later.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Cyclonic 4 to 6 at first in far north, otherwise easterly or southwesterly 5 to 7, occasionally gale 8 at first, becoming cyclonic 4 to 6 later in south.
Sea state
Slight or moderate at first in north, otherwise moderate or rough, occasionally very rough in south.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Cyclonic 5 to 7, occasionally gale 8 at first.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Sleet at first near greenland, otherwise rain or showers.
Visibility
Moderate or poor, occasionally good in southeast, and becoming mainly good in far northwest.

In south

Wind
Westerly or southwesterly 5 to 7.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Moderate or good.

East Central Section

Wind
Cyclonic in northwest, elsewhere westerly or southwesterly, 4 to 6.
Sea state
Moderate or rough.
Weather
Mainly fair at first in far north, otherwise rain or drizzle at times, fog patches in east.
Visibility
Moderate or good, occasionally poor in west and very poor in east.

West Central Section

Wind
Cyclonic 4 to 6, occasionally 7 later in south, becoming westerly or northwesterly 4 or 5 in north and west.
Sea state
Moderate or rough.
Weather
Rain or showers, thundery at times, fog patches, moving east.
Visibility
Showers in west. Good in northwest, elsewhere moderate or good, occasionally poor.

Denmark Strait

Wind
Northerly or northeasterly 5 to 7, occasionally gale 8 until later to the south of 70 north.
Sea state
Rough or very rough at first in far south, otherwise moderate or rough.
Weather
Rain or sleet at times, and perhaps also snow at times in east.
Visibility
Moderate or good, occasionally poor in west and very poor in east.

North Iceland

Wind
Cyclonic 4 to 6, becoming northerly 6 or 7 at times in far west.
Sea state
Rough or very rough in far south, or moderate, occasionally rough in west.
Weather
Rain or showers, with sleet, snow and freezing rain at times in west with fog banks.
Visibility
Moderate to very poor.

Norwegian Basin

Wind
Variable 2 to 4 at first in northeast, otherwise southerly 4 or 5, veering southwesterly 5 to 7, occasionally gale 8 later in north.
Sea state
Slight at in east, otherwise moderate, becoming rough or very rough later.
Weather
Fair at first in northeast, otherwise rain or drizzle at times.
Visibility
Good until later in northeast, otherwise moderate or good, becoming poor at times.

Outlook for following 24 hours

Gales expected in Norwegian Basin.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

The 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.