High seas forecast and storm warnings
The general synopsis for UK
At 150000UTC, developing low near 63 north 37 west expected 62 north 38 west 993 by 160000UTC. Low 58 north 06 east 988 expected 57 north 07 east 995 by same time. Low 57 north 42 west 995 moving steadily eastwards and losing its identity
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- North or northwest 4 to 6, backing west or northwest 3 to 5 later.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Showers or occasional rain.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- North or northwest backing west, 3 to 5, becoming cyclonic 4 to 6 later.
- Sea state
- Rough at first in southwest, otherwise moderate.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Variable 2 to 4, becoming cyclonic 4 to 6 later.
- Sea state
- Moderate, becoming rough later in far west.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Variable 2 to 4, becoming southeast 4 to 6 later.
- Sea state
- Moderate, becoming rough later in west.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor later in southwest.
Faeroes
- Wind
- In east, northerly or northwesterly 6 to gale 8 decreasing 4 to 6. in west, northerly 4 or 5 becoming variable 3 or less.
- Sea state
- In east, rough or very rough, becoming moderate or rough later. in west, moderate.
- Weather
- In east, occasional rain or showers. in west, showers.
- Visibility
- In east, moderate or good. in west, good.
Southeast Iceland
- Wind
- Variable 2 to 4, becoming southeasterly 3 to 5 later.
- Sea state
- Slight or moderate, becoming moderate or rough later.
- Weather
- Showers, then rain in west.
- Visibility
- Good, occasionally poor in northwest.
East Northern Section
In area to the north of 60 north
- Wind
- Southerly or southeasterly 4 to 6, occasionally 7 later near iceland but becoming cyclonic 3 to 5 later in southwest.
- Sea state
- Slight or moderate at first in far northeast, otherwise moderate or rough.
- Weather
- Rain or drizzle at times, then showers in southwest.
- Visibility
- Moderate or good, occasionally poor.
In area to the south of 60 north
- Wind
- Cyclonic 3 to 5, becoming westerly or southwesterly 6 to gale 8 in west and south.
- Sea state
- Moderate or rough, becoming very rough in southwest.
- Weather
- Rain or drizzle, then showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In far northwest
- Wind
- Northerly or northeasterly 6 to gale 8 decreasing 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or snow.
- Visibility
- Moderate to very poor.
In area to the south of 60 north
- Wind
- Cyclonic 3 to 5 at first in north, otherwise westerly or southwesterly, veering northwesterly for a time, 6 to gale 8.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In the rest of the area
- Wind
- Cyclonic 3 to 5, occasionally 6 in south.
- Sea state
- Moderate or rough, becoming very rough in far south.
- Weather
- Rain or showers.
- Visibility
- Moderate or poor at first in northeast, otherwise moderate or good, occasionally poor.
East Central Section
In eastern half of the area
- Wind
- Westerly or northwesterly, backing southwesterly for a time, 4 to 6.
- Sea state
- Moderate or rough, becoming rough or very rough later in north.
- Weather
- Rain or drizzle, then showers later.
- Visibility
- Moderate or good, becoming poor for a time.
In western half of the area
- Wind
- Cyclonic becoming westerly or northwesterly, 4 to 6, increasing 6 to gale 8 in north.
- Sea state
- Moderate or rough, becoming very rough in north.
- Weather
- Rain then showers, but becoming fair in south.
- Visibility
- Moderate or good, occasionally poor at first.
West Central Section
In northern half of the area
- Wind
- Westerly or southwesterly 6 to gale 8, decreasing 4 to 6 later.
- Sea state
- Very rough or high at first in west, otherwise rough or very rough.
- Weather
- Showers, but becoming mainly fair later.
- Visibility
- Moderate or good, occasionally poor.
In southern half of the area
- Wind
- Westerly or northwesterly 4 to 6, occasionally 7 at first in north, becoming variable 2 to 4 in west, and later also in east, then becoming southerly or southwesterly 4 or 5 later in west.
- Sea state
- Rough or very rough in north, moderate or rough in south.
- Weather
- Rain at first in far southeast and also later in far southwest, otherwise mainly fair.
- Visibility
- Moderate or good, occasionally poor at first in far southeast and also later in far southwest.
Denmark Strait
- Storm warning
-
Issued:
At 150000UTC, developing low near 63 north 37 west expected 62 north 38 west 993 by 160000UTC. Northeasterly winds will continue to reach storm force 10 at times until 160000UTC in that part of Denmark Strait that lies both west of 34 west and within 50 miles of the Greenland coast.
In area to the west of 31 west
- Wind
- Easterly or northeasterly 7 to severe gale 9, occasionally storm 10 until later to the west of 34 west.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle, but sleet, snow or freezing rain near greenland.
- Visibility
- Moderate or poor, occasionally very poor near greenland.
In area to the east of 31 west
- Wind
- Easterly or northeasterly 4 to 6 in south but variable 2 to 4 in north.
- Sea state
- Slight or moderate, becoming moderate or rough in south.
- Weather
- Rain or drizzle in west, but sleet, snow or freezing rain near greenland in west, fog patches in east.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In far southwest
- Wind
- Easterly or southeasterly 4 to 6.
- Sea state
- Slight becoming moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In far southeast
- Wind
- Northerly 4 to 6 becoming variable 2 to 4.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Mainly fair.
- Visibility
- Good.
In the rest of the area
- Wind
- Variable 3 or less, increasing 4 at times.
- Sea state
- Slight or moderate.
- Weather
- Wintry showers, fog patches.
- Visibility
- Good, occasionally very poor.
Norwegian Basin
In western half of the area
- Wind
- Northerly 6 to gale 8 veering northeasterly 4 to 6.
- Sea state
- Rough or very rough, becoming moderate or rough later.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
In eastern half of the area
- Wind
- Cyclonic 3 to 5 becoming variable 2 to 4.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for the following 24 hours
Severe gales expected in western Denmark Strait. Gales expected in 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
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.