Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

New lows expected 62 north 01 west 1002 and 63 north 35 west 1011 by 161200UTC. High 49 north 29 west 1037 expected 50 north 27 west 1037 by same time. Low 67 north 16 west 1004 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Northerly or northwesterly 4 to 6, occasionally 7 at first in east.
Sea state
Rough or very rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
Northwest 6 to gale 8 decreasing 4 to 6.
Sea state
Very rough becoming rough.
Weather
Showers, squally at first.
Visibility
Good, occasionally moderate.

Rockall

Wind
Northwest 5 to 7, occasionally gale 8 at first, then decreasing 4 at times.
Sea state
High, becoming rough or very rough.
Weather
Squally showers.
Visibility
Moderate or good, occasionally poor at first.

Bailey

Wind
Northwest 5 to 7, decreasing 4 at times.
Sea state
Rough or very rough.
Weather
Squally showers.
Visibility
Moderate or good, occasionally poor at first.

Faeroes

Wind
Northerly or northwesterly 6 to gale 8, occasionally 5 in west and severe gale 9 later in east.
Sea state
Rough or very rough, becoming high later in far east.
Weather
Squally showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Northerly or northwesterly 5 to 7, becoming variable 2 to 4 in west.
Sea state
Moderate or rough, occasionally very rough in far east.
Weather
Wintry showers.
Visibility
Good, occasionally poor.

East Northern Section

Wind
Northerly or northwesterly 4 to 6 becoming variable 2 to 4, then becoming cyclonic 5 to 7 later in northwest but westerly 5 or 6 later in southwest.
Sea state
Very rough at first in southeast, otherwise moderate or rough.
Weather
Showers at first in north and east, perhaps wintry, otherwise rain at times, with sleet or snow later in northwest.
Visibility
Moderate or good, occasionally poor, but perhaps very poor later in northwest.

West Northern Section

In north

Wind
Cyclonic 3 to 5 increasing 5 to 7, then occasionally gale 8 later in south.
Sea state
Moderate or rough, becoming very rough later in southeast.
Weather
Mainly fair then rain or sleet for a time, with snow in northwest.
Visibility
Moderate or good, becoming poor or very poor for a time. Light icing for a time in far northwest.

In south

Wind
Westerly or southwesterly 4 to 6.
Sea state
Rough.
Weather
Rain or drizzle at times, but becoming fair later in north, fog banks later in far south.
Visibility
Moderate or good, occasionally poor, but becoming very poor later in far south.

East Central Section

In northeastern half of the area

Wind
Northerly or northwesterly, backing westerly in far west, 4 to 6.
Sea state
Very rough at first in far northeast, otherwise moderate or rough.
Weather
Drizzle at times.
Visibility
Moderate or good, occasionally poor.

In southwestern half of the area

Wind
Variable 3 or 4, becoming easterly 4 or 5 in south.
Sea state
Moderate.
Weather
Mainly fair.
Visibility
Moderate or good.

West Central Section

Wind
Mainly variable 2 to 4, but southerly or southwesterly 4 to 6 in far northwest and easterly 4 or 5 in far southeast.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times in northwest, and fog banks developing in northwest, otherwise fair.
Visibility
Moderate or good, occasionally very poor in northwest.

Denmark Strait

In west

Wind
Variable 2 or 3 becoming cyclonic 4 to 6.
Sea state
Slight or moderate.
Weather
Fair then sleet or snow.
Visibility
Good, becoming moderate to very poor.

In east

Wind
Northerly 5 to 7 at first in far east, otherwise variable 2 to 4, but becoming southwesterly 5 to 7 later in north.
Sea state
Moderate or rough becoming slight or moderate.
Weather
Snow showers then mainly fair, then sleet or snow later in south.
Visibility
Moderate or good, occasionally very poor. Light or moderate icing at first in far east, with temperatures ms02 to ms05, and then light icing later near the ice edge, with temperatures ms02 to ms04.

North Iceland

In northwestern half of the area

Wind
Northerly or northeasterly 4 to 6 becoming variable 2 to 4, then mainly southerly 4 to 6 later.
Sea state
Moderate or rough becoming slight or moderate.
Weather
Occasional snow, but becoming fair for a time.
Visibility
Good, occasionally very poor. Light icing at times near the ice edge, with temperatures ms02 to ms05.

In southeastern half of the area

Wind
Cyclonic becoming northerly 4 to 6, but increasing 7 or gale 8 for a time, then becoming variable 2 to 4 later except in far southeast.
Sea state
Mainly moderate or rough, but becoming very rough for a time in far southeast.
Weather
Occasional sleet or snow, with rain for a time in far southeast, but becoming fair later.
Visibility
Moderate or good, occasionally very poor, but becoming good later.

Norwegian Basin

In west

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 in far west, then becoming northerly or northeasterly 4 to 6 later.
Sea state
Rough or very rough.
Weather
Rain or sleet at times, with snow for a time in far west.
Visibility
Moderate or good, occasionally poor, but becoming very poor for a time in far west.

In east

Wind
Easterly or northeasterly 4 to 6, but becoming variable 3 for a time in far southeast.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Good.

Outlook for following 24 hours

Severe gales expected in north Iceland. Gales expected in Faeroes, East Northern Section and West Northern Section.

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.