Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 170000UTC, low 56 north 30 west 998 expected 60 north 27 west 997 by 180000UTC. High 64 north 10 west 1020 expected 69 north 03 west 1019 by same time. High 45 north 53 west 1020 expected 50 north 46 west 1026 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northwesterly backing westerly, 3 to 5.
Sea state
Slight or moderate.
Weather
Rain at times.
Visibility
Good, occasionally moderate.

Shannon

Wind
Westerly backing southwesterly for a time, 3 to 5, occasionally 6 later in far north.
Sea state
Moderate, occasionally slight at first in south, becoming rough later in north.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Variable 2 to 4, becoming south or southeast 3 to 5, then veering west or southwest 4 to 6.
Sea state
Moderate, rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Bailey

Wind
Easterly 3 to 5, veering southeasterly, then veering southwesterly later in south, 4 to 6, increasing 7 at times.
Sea state
Moderate, becoming moderate or rough later.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

Faeroes

Wind
North or northeast 2 to 4, veering east or southeast 4 or 5, occasionally 6 later.
Sea state
Slight or moderate, occasionally rough later in far west.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Southeast Iceland

Wind
Variable 2 to 4, becoming easterly or southeasterly 4 to 6, occasionally 7 later in far west.
Sea state
Slight or moderate, occasionally rough later in south.
Weather
Showers.
Visibility
Good.

East Northern Section

In northern half of the area

Wind
Easterly or southeasterly 5 to 7, increasing gale 8 at times except in far northwest and far south.
Sea state
Slight or moderate in far northwest, elsewhere moderate becoming rough or very rough, then becoming moderate later in northwest.
Weather
Rain at times except in far north, fog patches in southwest.
Visibility
Moderate or good, occasionally poor, or very poor in southwest.

In southern half of the area

Wind
Southeasterly veering westerly or southwesterly, 5 to 7, increasing gale 8 at times.
Sea state
Moderate becoming rough or very rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In northern half of the area

Wind
Easterly, backing northerly or northeasterly, 4 to 6, increasing 7 at times later in far east.
Sea state
Moderate, occasionally rough in east.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

In southern half of the area

Wind
Cyclonic at first in east, otherwise northwesterly backing westerly, 5 or 6, increasing 7 at times in east.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches at first in far east.
Visibility
Moderate or good, occasionally very poor at first in far east.

East Central Section

In north of area

Wind
Southwesterly veering westerly, 5 or 6, but 7 or gale 8 at first in far northwest.
Sea state
Moderate at first in east, otherwise rough, occasionally very rough later.
Weather
Rain then showers.
Visibility
Good, occasionally moderate.

In south of area

Wind
Variable 2 to 4 in far southeast, elsewhere westerly or southwesterly 3 to 5, becoming cyclonic 4 to 6 later in far southwest.
Sea state
Moderate, occasionally slight in east.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

West Central Section

In southern half of the area

Wind
Southwesterly 3 to 5, becoming variable 2 to 4, then cyclonic 4 to 6 later in far southeast.
Sea state
Moderate.
Weather
Showers in northwest, but elsewhere rain at times, perhaps thundery, fog patches in south and east.
Visibility
Moderate or good, occasionally very poor in south and east.

In northern half of the area

Wind
Southwesterly veering westerly or northwesterly, 4 to 6, but 7 or gale 8 at first in far northeast, then decreasing 3 at times later in west.
Sea state
Moderate, occasionally rough in east.
Weather
Occasional rain or drizzle, then showers.
Visibility
Moderate or good, occasionally poor at first.

Denmark Strait

In area to the south of 68 north

Wind
Variable 2 to 4, becoming northeasterly 3 to 5 in south and east.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

In area to the north of 68 north

Wind
Southerly or southwesterly 3 to 5.
Sea state
Slight, occasionally moderate.
Weather
Fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In northwestern half of the area

Wind
Southwesterly 3 or 4, increasing 5 at times.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog banks.
Visibility
Moderate or good, occasionally very poor.

In southeastern half of the area

Wind
Variable 2 to 4, becoming easterly or southeasterly 4 to 6 later near iceland.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Norwegian Basin

Wind
Northerly veering northeasterly, 4 or 5, increasing 6 at times in east.
Sea state
Slight or moderate, becoming moderate or rough later.
Weather
Showers in east.
Visibility
Good.

Outlook for the following 24 hours

No gales 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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