Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 121200UTC, low 61 north 24 west 995 expected 65 north 15 west 1002 by 131200UTC. Low 58 north 58 west 998 expected 64 north 57 west 999 by same time. Low 50 north 60 west 997 expected 53 north 53 west 998 expected by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
In west, southerly or southwesterly veering northwesterly later, 3 to 5. in east, variable becoming mainly westerly or northwesterly later, 2 to 4.
Sea state
In west, moderate. in east, slight or moderate.
Weather
In west, showers, perhaps thundery. in east, showers, fog patches developing.
Visibility
In west, good, occasionally moderate. in east, good, occasionally very poor later.

Shannon

Wind
Mainly southwest 3 to 5.
Sea state
Moderate.
Weather
Rain or thundery showers, fog patches.
Visibility
Good, occasionally very poor.

Rockall

Wind
Mainly southwest 3 to 5.
Sea state
Moderate, occasionally rough until later.
Weather
Rain or thundery showers, fog patches.
Visibility
Good, occasionally very poor.

Bailey

Wind
Mainly southwest 3 to 5, occasionally 6 at first.
Sea state
Moderate, occasionally rough until later.
Weather
Rain or thundery showers, fog patches.
Visibility
Good, occasionally very poor.

Faeroes

Wind
Southerly or southwesterly elsewhere, 3 to 5.
Sea state
Moderate or rough.
Weather
Rain, fog banks until later.
Visibility
Moderate to very poor, occasionally good later.

Southeast Iceland

Wind
Southerly or southwesterly elsewhere, 3 to 5.
Sea state
Moderate or rough.
Weather
Rain, fog banks until later.
Visibility
Moderate to very poor, occasionally good later.

East Northern Section

Wind
Cyclonic, mainly southwesterly veering westerly or northwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain, drizzle or showers, perhaps thundery in north, fog patches at first in north.
Visibility
Moderate or good, occasionally poor until later, but very poor at times at first in north.

West Northern Section

Wind
Cyclonic mainly northerly or northwesterly, 4 to 6, becoming variable 2 to 4 in northwest, but backing southeasterly 4 to 6 later in southwest.
Sea state
Moderate or rough.
Weather
Mainly fair in west, occasional rain or drizzle in east.
Visibility
Moderate or good, occasionally poor until later in east.

East Central Section

In northern half of the area

Wind
Cyclonic becoming mainly westerly or northwesterly, 4 to 6.
Sea state
Moderate, occasionally rough at first.
Weather
Showers, thundery at first in east.
Visibility
Moderate or good.

In southern half of the area

Wind
Cyclonic becoming northwesterly 3 to 5, then variable 3 or less later in southwest.
Sea state
Moderate, occasionally rough until later.
Weather
Thundery rain or showers at first in east, but mainly fair in west.
Visibility
Moderate or good, occasionally poor at first in east.

West Central Section

In northeastern half of the area

Wind
Northwesterly 3 to 5, occasionally 6 at first, becoming variable 2 to 4 later.
Sea state
Moderate, occasionally rough at first.
Weather
Showers at first, becoming fair.
Visibility
Moderate or good.

In southwestern half of the area

Wind
Variable 2 to 4, becoming southeasterly 4 to 6, occasionally 7 later.
Sea state
Moderate, occasionally rough later.
Weather
Fair, but then thundery rain later.
Visibility
Good, occasionally poor later.

Denmark Strait

Wind
Easterly or northeasterly 4 to 6, occasionally 7, but increasing 7 or gale 8 for a time in the east between 65 north and 69 north, decreasing 2 to 4 later close to greenland.
Sea state
Moderate or rough.
Weather
Occasional rain in east and south, fog patches at first in east.
Visibility
Moderate or good, occasionally very poor at first in east.

North Iceland

In area north of 72 north

Wind
Variable 2 to 4, occasionally easterly 5 in south of area.
Sea state
Slight or moderate.
Weather
Rain or drizzle at first in west, otherwise mainly fair.
Visibility
Moderate or good.

In the rest of the area

Wind
Cyclonic 4 to 6, occasionally 7 in west.
Sea state
Moderate, becoming moderate or rough.
Weather
Rain or showers, fog banks in south and southeast.
Visibility
Moderate or good in northeast, but elsewhere moderate to very poor.

Norwegian Basin

Wind
Southeasterly at first in east, southwesterly 4 to 6, occasionally 3 in west and 7 in east near norway.
Sea state
Moderate in west, but moderate or rough in east.
Weather
Rain or showers, fog patches in west.
Visibility
Moderate or good, occasionally very poor in west and occasionally poor in east.

Outlook for the following 24 hours

No hazards expected.

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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