Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 211200UTC, low 50 north 29 west 982 expected 54 north 29 west 989 by 221200UTC. Low 73 north 09 west 1012 expected 76 north 05 west 1009 by same time. Low 59 north 13 west 999 losing its identity by that time. at 211200UTC, high 66 north 39 west 1020 expected 73 north 36 west 1018 by 221200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southerly 4 or 5, occasionally 6 in west.
Sea state
Rough, becoming moderate in east.
Weather
Rain or showers in west.
Visibility
Good, occasionally moderate in west.

Shannon

Wind
South or southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Showers then occasional rain, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Southwest backing south 4 or 5, increasing 6 at times.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches later.
Visibility
Moderate or good, occasionally very poor later.

Bailey

Wind
Cyclonic becoming south or southeast, 3 to 5.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Faeroes

Wind
Variable, mainly south, 2 to 4.
Sea state
Moderate, occasionally rough at first.
Weather
Rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Northeasterly 4 to 6, but variable 2 to 4 in southeast.
Sea state
Moderate, occasionally rough at first.
Weather
Rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

In north of area

Wind
Northerly or northeasterly, veering easterly later, 3 to 5.
Sea state
Rough at first in east, otherwise moderate, occasionally slight in far northwest.
Weather
Occasional rain or drizzle in east.
Visibility
Moderate or good, occasionally poor in east.

In south of area

Wind
Easterly or northeasterly, 5 to 7, veering southerly or southeasterly 4 or 5 later, occasionally 6 later.
Sea state
Moderate or rough.
Weather
Fair, then rain at times.
Visibility
Moderate or good, occasionally poor.

West Northern Section

Wind
Easterly or northeasterly 4 to 6, occasionally 7 at first in far southeast, becoming variable 2 to 4 in far northwest.
Sea state
Moderate or rough in south, slight or moderate in north.
Weather
Rain at times in south, showers in north, fog patches developing later in far northwest.
Visibility
Moderate or good, occasionally poor in south or very poor later in far northwest.

East Central Section

Wind
Easterly at first in north, otherwise southerly or southwesterly 4 to 6, occasionally 7 at first in south.
Sea state
Rough, occasionally very rough at first in south.
Weather
Rain or showers, perhaps thundery later in south.
Visibility
Moderate or good, occasionally poor.

West Central Section

In south of area

Wind
Westerly or northwesterly, backing southwesterly later in far west, 4 to 6, occasionally 7 at first.
Sea state
Rough, occasionally very rough at first in south and occasionally moderate in northwest.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Denmark Strait

Wind
Northerly or northeasterly 3 to 5, becoming variable 2 to 4 near greenland coast.
Sea state
Smooth or slight, but slight or moderate in south.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In north

Wind
Cyclonic 3 to 5, becoming variable 2 to 4 in west.
Sea state
Slight or moderate, occasionally smooth in west.
Weather
Occasional rain or sleet with snow at times in west, fog banks.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Easterly or northeasterly 3 to 5, becoming variable 2 to 4 in southeast.
Sea state
Slight or moderate, occasionally rough at first in southeast.
Weather
Rain or drizzle, fog banks.
Visibility
Moderate or poor, occasionally very poor.

Norwegian Basin

Wind
Variable 2 to 4 at first in east, otherwise southeasterly veering southerly, 3 to 5.
Sea state
Moderate, but rough at first in west and slight at times in east.
Weather
Fair in northeast, otherwise rain, with fog patches in west.
Visibility
Good in northeast, otherwise moderate or good, occasionally very poor in west.

Outlook for the following 24 hours

Severe gales expected in West Central Section. Gales expected in West Northern 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.