Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 150000UTC, low 52 north 28 west 982 expected 62 north 26 west 987 by 160000UTC. Low 46 north 42 west 999 expected 49 north 26 west 997 by same time. Low 5 to 7 north 29 west 984 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Southwesterly 6 to gale 8, decreasing 4 to 6.
Sea state
Rough or very rough, occasionally high in west.
Weather
Squally showers.
Visibility
Good, occasionally poor.

Shannon

Wind
South 4 to 6, veering southwest 6 to gale 8.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Squally showers.
Visibility
Moderate or poor.

Rockall

Wind
South or southeast, veering southwest later, 4 to 6.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Rain then thundery showers.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
South or southeast becoming cyclonic later, 3 to 5.
Sea state
Rough.
Weather
Rain then thundery showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
South or southeast 6 to gale 8.
Sea state
Moderate or rough, occasionally very rough.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 7 to severe gale 9, decreasing 4 to 6, becoming variable 3 or less later.
Sea state
Rough or very rough.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

East Northern Section

In north

Wind
Cyclonic 7 to severe gale 9, decreasing 3 to 5.
Sea state
Rough or very rough, becoming moderate or rough later.
Weather
Rain or showers perhaps thundery.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Variable 2 to 4, becoming cyclonic 4 to 6 later.
Sea state
Rough, occasionally very rough.
Weather
Rain or showers perhaps thundery.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Northerly or northeasterly 5 to 7, becoming cyclonic 4 to 6 later.
Sea state
Rough or very rough becoming moderate or rough later.
Weather
Rain or showers, wintry in northwest.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Cyclonic 5 to 7, becoming northerly or northeasterly 4 to 6.
Sea state
Rough or very rough.
Weather
Showers, wintry in west.
Visibility
Moderate or good, occasionally poor.

East Central Section

In north

Wind
Cyclonic becoming westerly, 5 to 7, occasionally gale 8 in south, becoming cyclonic 4 to 6 later.
Sea state
Rough or very rough, occasionally high in south.
Weather
Showers, thundery or squally at times, occasional rain later in south.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Westerly or southwesterly 6 to gale 8, becoming cyclonic 5 to 7 later.
Sea state
Variable, becoming rough or very rough later.
Weather
Showers, then rain later.
Visibility
Moderate or good, occasionally poor later.

West Central Section

In north

Wind
Northerly or northwesterly 4 to 6, occasionally 7 at first.
Sea state
Rough or very rough.
Weather
Showers, wintry at times in west.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 in far south.
Sea state
Rough or very rough.
Weather
Rough or very rough, occasionally high in east.
Visibility
Rain or showers, becoming wintry at times later in west. Moderate or good, occasionally poor.

Denmark Strait

Wind
Northerly or northwesterly 6 to gale 8, occasionally severe gale 9 later in northeast.
Sea state
Moderate or rough, occasionally very rough in south.
Weather
Showers then rain, sleet or snow.
Visibility
Moderate or good, occasionally very poor. Light or moderate icing at times within 100 miles of the greenland coast, with temperatures ms02 to ms05.

North Iceland

In north

Wind
Variable 2 to 4, becoming easterly or southeasterly 4 to 6 later, occasionally 7 later in south.
Sea state
Slight or moderate, occasionally rough in south.
Weather
Fog banks and occasional drizzle, sleet or snow later in west.
Visibility
Moderate to very poor.

In south

Wind
Easterly or southeasterly 4 to 6, increasing 6 to gale 8 for a time.
Sea state
Moderate or rough becoming rough or very rough.
Weather
Fog patches.
Visibility
Rain at times. Moderate to very poor, occasionally good.

Norwegian Basin

Wind
Southerly or southeasterly 4 to 6, increasing 6 to gale 8 in west.
Sea state
Moderate or rough, becoming rough or very rough in west.
Weather
Fair then rain in west.
Visibility
Moderate or good, occasionally poor in west.

Outlook for following 24 hours

Severe gales expected in Denmark Strait. Gales expected in East Northern Section, East Central Section and West Central 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.