Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 120000UTC, high Hebrides 1025 expected Viking 1021 by 130000UTC. Low 40 north 18 west 1014 losing its identity by same time. Low 49 north 28 west 1014 expected 49 north 25 west 1016 by that time. at 120000UTC, low 46 north 43 west 1016 expected 45 north 39 west 1017 by 130000UTC. High 54 north 37 west 1024 expected 54 north 33 west 1023 by same time. New low expected 64 north 39 west 1009 by that time. at 120000UTC, low 66 north 28 west 1006 expected 68 north 03 west 1005 by 130000UTC. High south Greenland 1016 slow-moving, intensifying 1018 by same time

Issued at: 08:00 (UTC) on Fri 12 Aug 2022.

For the period 08:00 (UTC) on Fri 12 Aug 2022 to 08:00 (UTC) on Sat 13 Aug 2022.

High seas forecast and storm warnings map

High seas forecast and storm warnings explained

Sole

Wind: Northeast 3 or 4.
Sea state: Slight or moderate.
Weather: Fair.
Visibility: Good.

Shannon

Wind: Variable, becoming north or northeast later, 2 to 4.
Sea state: Slight or moderate.
Weather: Rain with fog patches later.
Visibility: Moderate or good, occasionally very poor later.

Rockall

Wind: Variable, mainly east or northeast, 2 to 4.
Sea state: Moderate.
Weather: Rain or drizzle, fog patches.
Visibility: Moderate or good, occasionally very poor.

Bailey

Wind: Southwesterly 3 to 5, but 6 at first in northwest, becoming variable 2 to 4 later.
Sea state: Moderate, but rough until later in northwest.
Weather: Rain.
Visibility: Good, occasionally poor.

Faeroes

Wind: Southwesterly 3 to 5, occasionally 6 until later, becoming variable 3 or less later in southeast.
Sea state: Moderate or rough, but slight east of faeroe islands.
Weather: Rain.
Visibility: Good, occasionally poor.

Southeast Iceland

Wind: Southwesterly 3 to 5, occasionally 6 until later.
Sea state: Moderate or rough.
Weather: Rain.
Visibility: Good, occasionally poor.

East Northern Section

Wind: Cyclonic 3 to 5 in southeast, otherwise westerly or southwesterly 3 to 5, occasionally 6 at first.
Sea state: Moderate or rough becoming moderate.
Weather: Occasional rain, fog patches for a time in southeast.
Visibility: Good, occasionally poor, but occasionally very poor in southeast.

West Northern Section

Wind: Cyclonic 2 to 4 in north, otherwise westerly or southwesterly 3 to 5, occasionally 6 at first in east and later in west.
Sea state: Moderate or rough becoming slight or moderate.
Weather: Occasional rain mainly in central area, otherwise fair, but fog patches later in far northwest.
Visibility: Good, occasionally moderate in central area and very poor later in far northwest.

East Central Section

Wind: Northeasterly 2 to 4 in southeast, otherwise cyclonic 3 to 5, occasionally 6 at first in northwest.
Sea state: Moderate, becoming slight in southeast.
Weather: Thundery showers in far southeast, rain or showers, some thundery, but mainly fair in southeast.
Visibility: Good, occasionally poor except in southeast.

West Central Section

Wind: Variable 2 to 4 in north, otherwise cyclonic 4 to 6, decreasing 2 to 4 later.
Sea state: Moderate, occasionally slight in northwest.
Weather: Rain or showers, thundery at first, but fair in north.
Visibility: Good, occasionally poor except in north.

Denmark Strait

Wind: Variable 2 to 4 becoming cyclonic 3 to 5.
Sea state: Slight or moderate.
Weather: Rain or showers in east, fog banks, mainly within 100 miles of greenland.
Visibility: Moderate or good, occasionally very poor within 100 miles of greenland.

North Iceland

Wind: Westerly or northwesterly 3 to 5, becoming variable 4 or less.
Sea state: Slight or moderate.
Weather: Occasional rain, fog banks in west.
Visibility: Moderate or good, occasionally very poor in west.

Wind: Cyclonic 4 to 6, becoming variable, mainly westerly or southwesterly, 3 or 4 later.
Sea state: Slight or moderate, occasionally rough until later in southeast.
Weather: Occasional rain or drizzle, fog patches.
Visibility: Moderate or good, occasionally very poor.

Norwegian Basin

Wind: Variable 3 or less in southeast, otherwise southerly 4 or 5, occasionally 6 in northwest.
Sea state: Moderate, occasionally rough at first in northeast then in northwest.
Weather: Occasional rain at first in southeast and later in northwest.
Visibility: Good, occasionally moderate at first in southeast and later in northwest.

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.