Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 250000UTC, low 62 north 35 west 995 expected 65 north 26 west 994 by 260000UTC. Lows 49 north 20 west 1012 and 68 north 16 west 998 both losing their identities

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Northwesterly 2 to 4.
Sea state
Slight or moderate.
Weather
Showers, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

Shannon

Wind
Variable mainly north 2 to 4, backing northwest 3 to 5 later.
Sea state
Slight, occasionally smooth.
Weather
Rain later, fog banks.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Variable mainly north 2 to 4, backing northwest 3 to 5 later.
Sea state
Smooth or slight, becoming moderate later in northwest.
Weather
Rain later, fog banks.
Visibility
Moderate or good, occasionally very poor.

Bailey

Wind
Variable or cyclonic 2 to 4, increasing 5 at times.
Sea state
Slight or moderate.
Weather
Drizzle, fog banks.
Visibility
Moderate or good, occasionally very poor.

Faeroes

Wind
Variable or cyclonic 2 to 4.
Sea state
Slight or moderate.
Weather
Drizzle, fog banks.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Southwesterly 4 to 6 backing southerly 3 to 5.
Sea state
Slight or moderate in east, moderate throughout in west.
Weather
Showers, fog patches in east.
Visibility
Moderate or good, occasionally very poor in east.

East Northern Section

In southeastern half of the area

Wind
Variable 2 to 4 becoming westerly or southwesterly 3 to 5.
Sea state
Slight or moderate becoming moderate or rough.
Weather
Drizzle or showers.
Visibility
Moderate or good, occasionally poor.

In northwestern half of the area

Wind
Southerly or southwesterly, becoming cyclonic in far northwest, 5 to 7, occasionally gale 8 at first, veering westerly or southwesterly 4 to 6 later.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In northeast

Wind
Cyclonic becoming westerly or northwesterly, 5 to 7, occasionally gale 8 at first.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Westerly or northwesterly 4 or 5, becoming variable 3 or less in west.
Sea state
Rough at first in southeast, otherwise slight or moderate.
Weather
Showers at first in east and fog patches at first in west, otherwise fair.
Visibility
Moderate or good, occasionally very poor at first in west.

In south

Wind
Westerly or southwesterly veering westerly or northwesterly, 4 to 6, occasionally 7 at first in far northeast.
Sea state
Moderate or rough, becoming moderate later.
Weather
Drizzle at times.
Visibility
Good, occasionally poor.

East Central Section

In east

Wind
Cyclonic 3 to 5 becoming northwesterly 2 to 4.
Sea state
Slight at first in far east, otherwise moderate.
Weather
Drizzle then fair, then rain or showers later.
Visibility
Good, occasionally poor.

In west

Wind
Westerly or northwesterly 3 to 5 backing westerly or southwesterly 2 to 4, becoming cyclonic 3 to 5 later.
Sea state
Moderate.
Weather
Fair then rain, drizzle or showers, fog patches later except in north.
Visibility
Moderate or good, occasionally very poor later except in north.

West Central Section

In south

Wind
Westerly or southwesterly, backing southerly for a time in central and eastern areas, 3 to 5, then becoming variable 2 to 4 later in west.
Sea state
Moderate.
Weather
Rain or thundery showers, fog banks, then patches.
Visibility
Moderate or good, occasionally very poor.

In north

Wind
Variable 2 to 4 becoming cyclonic then westerly 3 to 5.
Sea state
Moderate.
Weather
Rain or thundery showers until later, fog patches.
Visibility
Moderate or good, occasionally very poor.

Denmark Strait

Wind
Mainly northerly or northeasterly 4 to 6, occasionally 7 at first to the north of 70 north.
Sea state
Slight or moderate becoming moderate or rough.
Weather
Rain, drizzle or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

Wind
Cyclonic, but northerly in far northwest and southerly in southeast, 4 to 6, occasionally 7 at first in northwest.
Sea state
Slight or moderate becoming moderate or rough.
Weather
Rain, drizzle or showers, fog banks.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Variable 3 or less, increasing 4 at times, then becoming northeasterly 4 or 5 in east and south.
Sea state
Slight, occasionally smooth for a time in south.
Weather
Showers later in south, fog patches.
Visibility
Moderate or good, occasionally very poor.

Outlook for 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

The 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.