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High seas forecast

Issued at:

For the period to

General synopsis

At 230000UTC, low 57 north 58 west 966 expected 61 north 54 west 967 by 240000UTC. New low expected 46 north 35 west 1019 by same time. Low 66 north 30 west 1013 losing its identity by that time. at 230000UTC, low 50 north 02 east 1011 moving away quickly eastwards. High 50 north 31 west 1028 expected 51 north 13 west 1039 by 240000UTC

Sole
Wind
North or northwest 5 to 7, becoming variable 3 or 4.
Sea state
Moderate or rough.
Weather
Occasional rain at first.
Visibility
Moderate or good, occasionally poor at first.
Shannon
Wind
North or northeast 4 or 5, occasionally 6 at first, becoming variable 3 or 4.
Sea state
Moderate or rough.
Weather
Fair.
Visibility
Good.
Rockall
Wind
Northwesterly, backing westerly or southwesterly, 4 or 5, increasing 6 at times, becoming variable 3 or 4 for a time in south.
Sea state
Moderate or rough, occasionally slight.
Weather
Squally showers.
Visibility
Good.
Bailey
Wind
Northwest, backing west or southwest, 5 to 7, decreasing 4 at times.
Sea state
Moderate or rough, occasionally very rough.
Weather
Squally showers.
Visibility
Good.
Faeroes
Wind
Northwest, backing west or southwest, 5 to 7, decreasing 4 at times.
Sea state
Moderate or rough, occasionally very rough.
Weather
Squally showers.
Visibility
Good.
Southeast Iceland
Wind
Northerly or northeasterly, backing westerly, 4 or 5, occasionally 6 later.
Sea state
Moderate or rough.
Weather
Squally showers.
Visibility
Good.
East Northern Section
Wind
Variable 3 or less at first in far northeast, otherwise westerly or southwesterly, backing southerly for a time in northwest, 4 or 5, increasing 6 to gale 8 except in far south.
Sea state
Slight at first near iceland, otherwise moderate or rough, occasionally very rough later.
Weather
Showers, then rain for a time except in far southeast.
Visibility
Moderate or good, occasionally poor.
West Northern Section

In northeast

Wind
Westerly or southwesterly, backing southerly or southeasterly for a time, 4 or 5, increasing 6 to gale 8.
Sea state
Moderate, becoming rough or very rough, occasionally high later.
Weather
Showers, then rain for a time.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Southerly or southwesterly 5 to 7, increasing gale 8 at times.
Sea state
Moderate, becoming rough or very rough, occasionally high later.
Weather
Rain for a time, then squally showers.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Southerly or southeasterly, veering southwesterly, 6 to gale 8, occasionally severe gale 9 at first.
Sea state
Moderate or rough, becoming very rough or high.
Weather
Rain, then showers.
Visibility
Moderate or good, occasionally poor at first.

In northwest

Wind
Variable 3 or 4 at first in far north, otherwise southeasterly becoming cyclonic 5 to 7, increasing gale 8 at times.
Sea state
Moderate or rough, becoming very rough or high.
Weather
Rain or thundery showers.
Visibility
Moderate or poor, occasionally good.
East Central Section

In northeast

Wind
Variable 3 or 4, becoming southerly or southwesterly, occasionally southeasterly later, 4 or 5, occasional 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers later.
Visibility
Good, becoming moderate or poor later in far south.

In southeast

Wind
Northerly or northeasterly, veering southerly or southeasterly, 4 or 5, occasionally 6 later.
Sea state
Moderate, occasionally rough.
Weather
Rain or drizzle at times in west.
Visibility
Moderate or good, occasionally poor in west.

In west

Wind
Variable 3 or 4 at first in north, otherwise easterly becoming cyclonic 4 or 5, occasionally 6 later.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times except in far north.
Visibility
Moderate or good, occasionally poor.
West Central Section

In southeastern half of area

Wind
Easterly or southeasterly, becoming cyclonic, 4 or 5, occasionally 6 later.
Sea state
Moderate, occasionally rough.
Weather
Rain or drizzle at times with fog patches.
Visibility
Moderate or good, occasionally very poor.

In northwestern half of area

Wind
Southerly 7 to severe gale 9 at first in far northwest, otherwise 5 or 6, becoming variable 3 or 4 except in far northwest.
Sea state
Moderate or rough, becoming very rough or high.
Weather
Rain or drizzle at times, fog banks developing in north.
Visibility
Moderate or good, occasionally very poor in north.
Denmark Strait

In area north of 68 north

Wind
Variable 3 or 4.
Sea state
Slight or moderate.
Weather
Sleet or snow with fog banks for a time except in far north.
Visibility
Moderate or good, occasionally very poor.

In east

Wind
South of 68 north, southerly or southwesterly 4 or 5, becoming variable 3 or 4, then becoming cyclonic 5 or 6 later.
Sea state
Moderate, becoming rough later in far south.
Weather
Showers, rain or sleet for a time later, then thundery showers in far south.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Variable 3 or 4, becoming cyclonic 5 to 7, increasing gale 8 or severe gale 9 within 50 miles of the coast of greenland.
Sea state
Slight or moderate, becoming rough or very rough.
Weather
Showers, occasionally thundery later in south, then rain or snow for a time.
Visibility
Moderate or good, occasionally very poor.
North Iceland

In east

Wind
Northwesterly 5 to 7, occasionally gale 8 in far northeast, backing southerly or southwesterly 4 or 5 except in far northeast.
Sea state
Very rough in far east until later, otherwise moderate or rough.
Weather
Sleet or snow at times except in far north.
Visibility
Good, occasionally poor. Light, occasionally moderate icing in far north with temperatures ms02 to ms04.

In southwest

Wind
Westerly or southwesterly, backing southerly later in far south, 4 or 5, occasionally 6 later.
Sea state
Moderate, occasionally rough.
Weather
Occasional snow or showers.
Visibility
Good, occasionally poor.

In northwest

Wind
Westerly or northwesterly 4 or 5, occasionally 6 in far north, becoming variable 3 or 4.
Sea state
Slight or moderate, occasionally rough.
Weather
Occasional snow later in far south.
Visibility
Good, occasionally poor later in far south. Light icing for a time in far north with temperatures ms02 or ms03.
Norwegian Basin
Wind
Northwesterly 5 to 7, occasionally gale 8 at first in far northeast, backing southerly or southwesterly later in far west.
Sea state
Rough or very rough.
Weather
Showers, occasionally squally in east.
Visibility
Good.

Outlook for following 24 hours

Gales or severe gales expected in all areas except Sole, Bailey and Faeroes.

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

High seas forecast and storm warnings

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 containg forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

 

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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