Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 081200UTC, high 46 north 15 west 1023 expected 51 north 11 west 1020 by 091200UTC. New lows expected 49 north 30 west 1018 and 66 north 25 west 994 by same time. Low 63 north 36 west 992 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4, becoming northerly or northeasterly 3 to 5 in east.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good, occasionally poor.

Shannon

Wind
Southwesterly 3 or 4, occasionally 5 at first in northwest, becoming variable 3 or less later.
Sea state
Moderate.
Weather
Drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Southerly or southwesterly 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Bailey

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Faeroes

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Cyclonic 3 to 5 becoming southwesterly 4 to 6.
Sea state
Moderate, becoming rough later.
Weather
Rain then showers, fog patches at first.
Visibility
Moderate to very poor, becoming good.

East Northern Section

In far northwest

Wind
Southeasterly becoming cyclonic, then westerly later, 3 or 4.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor at first.

In the rest of the area

Wind
Southerly or southwesterly 4 to 6, occasionally 7 in west.
Sea state
Moderate at first in far east, otherwise rough.
Weather
Rain at first in north and east, otherwise showers.
Visibility
Moderate or good, occasionally poor at first in north and east.

West Northern Section

In northern half of the area

Wind
Cyclonic becoming northwesterly 3 to 5, occasionally 6 at first in west, backing westerly or southwesterly 4 or 5 later.
Sea state
Moderate, occasionally rough at first in west.
Weather
Rain or showers, becoming fair later, fog patches for a time in far north.
Visibility
Moderate or good, occasionally very poor for a time in far north.

In southern half of the area

Wind
Westerly or southwesterly 5 or 6, backing southerly or southwesterly 4 or 5 later in west.
Sea state
Moderate or rough.
Weather
Showers, becoming fair later.
Visibility
Good occasionally moderate, and then perhaps poor later in far southwest.

East Central Section

Wind
Cyclonic, but mainly southerly or southwesterly at first, 3 to 5, occasionally 6 in north and in far south.
Sea state
Moderate or rough in north, moderate throughout in south.
Weather
Occasional rain or showers, perhaps thundery at first and south and east.
Visibility
Good, occasionally poor except in northwest.

West Central Section

In northern half of the area

Wind
Westerly backing southwesterly 4 or 5, occasionally 6 in far north.
Sea state
Rough until later in north and east, otherwise moderate.
Weather
Showers then fair, then rain, drizzle and fog patches later in far west.
Visibility
Good, occasionally moderate at first, then becoming moderate to very poor later in far west.

In southern half of the area

Wind
Cyclonic 3 to 5.
Sea state
Moderate.
Weather
Showers, mainly in east.
Visibility
Good, occasionally poor in east and moderate in west.

Denmark Strait

In area to the west of 32 west

Wind
Cyclonic mainly northeasterly 4 to 6, occasionally 7 at first, becoming variable 3 or less, then southwesterly 4 or 5 later.
Sea state
Moderate, occasionally slight later in far west.
Weather
Occasional rain at first, fog patches.
Visibility
Moderate or good, occasionally very poor.

In area to the east of 32 west

Wind
Variable mainly northeasterly 2 to 4, becoming cyclonic 3 to 5 later.
Sea state
Moderate, occasionally slight in east.
Weather
Rain or drizzle at times, fog banks, perhaps extensive fog for a time.
Visibility
Moderate to very poor, occasionally good in south.

North Iceland

Wind
Southeasterly at first in north, otherwise cyclonic, 3 to 5, occasionally 6 in south.
Sea state
Moderate, occasionally rough later in south.
Weather
Rain or drizzle and fog banks, but with extensive fog at times except in northeast, then showers later in south.
Visibility
Moderate to very poor, occasionally good at first in northeast, and then becoming good later in south.

Norwegian Basin

Wind
Southerly or southwesterly 3 to 5.
Sea state
Moderate, occasionally slight in far east.
Weather
Rain or drizzle at times, fog patches in west.
Visibility
Moderate or good, occasionally poor in east and very poor in west.

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.

Take our short survey