Coast and sea
The general synopsis for UK
At 290000UTC, low 48 north 50 west 994 expected 58 north 38 west 957 by 300000UTC. Low 66 north 06 east 967 expected 72 north 27 east 977 by same time. Developing low moving slowly northeast, expected 55 north 02 east 991 by that time. at 290000UTC, high 66 north 22 west 1009 expected 64 north 11 west 1015 by 300000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northwesterly 4 to 6, occasionally 7 at first, then backing southwesterly later in west.
- Sea state
- Very rough becoming rough.
- Weather
- Showers, squally at first.
- Visibility
- Moderate or good.
Shannon
- Wind
- Northwest 4 to 6, occasionally 7 at first, then backing southwest later.
- Sea state
- Very rough, becoming rough later.
- Weather
- Showers, squally at first.
- Visibility
- Good, occasionally poor at first.
Rockall
- Wind
- North or northeast 4 to 6 becoming variable 2 to 4, then becoming cyclonic 4 to 6.
- Sea state
- Very rough becoming rough.
- Weather
- Showers, perhaps wintry.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- North or northeast 4 to 6 becoming variable 2 to 4, then becoming cyclonic 4 to 6.
- Sea state
- Very rough becoming rough.
- Weather
- Showers, perhaps wintry.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Northwest 6 to gale 8 veering north 4 to 6, becoming variable 3 or 4 later.
- Sea state
- Very rough or high becoming rough or very rough, then occasionally moderate later.
- Weather
- Wintry showers.
- Visibility
- Moderate or good, occasionally poor.
Southeast Iceland
- Wind
- Northerly or northeasterly 4 to 6 veering easterly or southeasterly 3 to 5.
- Sea state
- Very rough at first in east, otherwise moderate or rough.
- Weather
- Snow showers.
- Visibility
- Good, occasionally very poor.
East Northern Section
In eastern half of the area
- Wind
- Cyclonic 4 to 6, becoming southerly or southeasterly 6 to gale 8 later, occasionally severe gale 9 later in north.
- Sea state
- Very rough at first in south, otherwise moderate or rough, but becoming very rough later everywhere.
- Weather
- Showers, wintry in north, then rain later.
- Visibility
- Moderate or good, occasionally poor.
In western half of the area
- Wind
- Variable 2 to 4 becoming southeasterly 6 to gale 8, increasing severe gale 9 at times, then veering southwesterly 5 to 7 later in south.
- Sea state
- Slight or moderate at first in north, otherwise rough becoming very rough.
- Weather
- Rain or showers, wintry in north.
- Visibility
- Good occasionally poor, becoming moderate or poor.
West Northern Section
- High seas storm warning
-
Issued:
At 290000UTC, low 48 north 50 west 994 expected 58 north 38 west 957 by 300000UTC. Winds will reach storm force 10 within 150 miles of the centre in the south quadrant after 291700UTC and also violent storm force 11 at times between 50 and 100 miles of the centre in the south quadrant after 300000UTC. Winds will also reach storm force 10 at times within 200 miles of the centre in the northern semicircle between 291600UTC and 300200UTC. After 300200UTC winds will also reach storm force 10 within 200 miles of the centre in the west quadrant, and in addition easterly or northeasterly winds will reach storm force 10 at times to the north of 62 north in West Northern Section.
In area to the north of 60 north
- Wind
- Variable 2 to 4 becoming cyclonic 5 to 7, then increasing gale 8 to storm 10.
- Sea state
- Moderate or rough, becoming very rough or high later.
- Weather
- Sleet or snow showers, then rain or sleet.
- Visibility
- Good occasionally very poor, becoming moderate or poor later.
In area to the south of 60 north
- Wind
- Variable 2 to 4 at first in northeast, otherwise southeasterly 5 to 7 becoming cyclonic gale 8 to storm 10, occasionally violent storm 11 later.
- Sea state
- Rough becoming very rough or high, then occasionally very high later.
- Weather
- Wintry showers at first in northeast, otherwise rain then squally showers.
- Visibility
- Moderate or good, occasionally very poor at first, becoming mainly poor later.
East Central Section
In eastern half of the area
- Wind
- Northwesterly 5 to 7 becoming variable 3 or 4, then becoming southerly or southwesterly 5 to 7 later, occasionally gale 8 later in north.
- Sea state
- Rough or very rough.
- Weather
- Showers then fair, then rain later.
- Visibility
- Moderate or good, occasionally poor later.
In western half of the area
- Wind
- Variable 2 to 4 becoming southerly 5 to 7, occasionally gale 8 in north, then veering southwesterly later.
- Sea state
- Rough, becoming rough or very rough.
- Weather
- Fair then rain, then showers later in northwest.
- Visibility
- Good, becoming moderate or poor.
West Central Section
- Wind
- Southerly or southeasterly at first in north and east, otherwise southwesterly, mainly 6 to gale 8, but 4 or 5 at first in south and east, increasing severe gale 9 at times in north and west.
- Sea state
- Rough or very rough, becoming high later in northwest.
- Weather
- Rain, perhaps thundery at times, then squally wintry showers except in far southeast.
- Visibility
- Moderate or poor, occasionally good.
Denmark Strait
In area to the west of 27 west
- Wind
- Cyclonic 4 to 6 becoming easterly or northeasterly 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Slight or moderate becoming rough or very rough, then occasionally high later in far west.
- Weather
- Sleet or snow at times.
- Visibility
- Moderate or good, occasionally very poor. Light or moderate icing within 100 miles of the greenland coast, with temperatures ms03 to ms06.
In area to the east of 27 west
- Wind
- Variable 2 to 4, becoming easterly or northeasterly 4 to 6 later.
- Sea state
- Slight or moderate, becoming rough or very rough later in south.
- Weather
- Snow showers.
- Visibility
- Good, occasionally very poor. Light icing developing later in west within 100 miles of the greenland coast, with temperatures ms02 to ms04.
North Iceland
In southwestern half of the area
- Wind
- Northerly or northwesterly 4 to 6 becoming variable 2 to 4, then becoming southeasterly 4 to 6 later in far southwest.
- Sea state
- Very rough at first in southeast, otherwise moderate or rough.
- Weather
- Snow showers then fair.
- Visibility
- Good, occasionally very poor at first. Light or moderate icing at first except in far southwest, with temperatures ms02 to ms05.
In northeastern half of the area
- Wind
- Northerly or northwesterly 6 to gale 8, occasionally severe gale 9 at first in far northeast, becoming variable 2 to 4 later except in very far northeast.
- Sea state
- Rough or very rough, becoming moderate or rough later in north.
- Weather
- Snow showers, becoming fair later.
- Visibility
- Moderate or good, occasionally very poor. Light or moderate icing until later except in far southeast, with temperatures ms02 to ms05, but severe icing at first in north near the ice, with temperatures ms06 to ms09.
Norwegian Basin
In western half of the area
- Wind
- Northerly or northwesterly 6 to gale 8 decreasing 4 or 5.
- Sea state
- High becoming very rough, becoming rough later.
- Weather
- Sleet or snow showers, squally at first.
- Visibility
- Moderate to very poor, occasionally good later.
In eastern half of the area
- Wind
- Cyclonic becoming northwesterly mainly 4 to 6, but 7 to severe gale 9 at first in north, veering northeasterly 5 to 7 later in south.
- Sea state
- Very rough or high, becoming rough later.
- Weather
- Rain or sleet, then sleet or snow showers, squally at first.
- Visibility
- Moderate or poor, occasionally very poor, then becoming good at times later.
Outlook for following 24 hours
Storm force winds expected in Bailey, Southeast Iceland, East Northern Section, West Northern Section, West Central Section and Denmark Strait. Severe gales expected in Rockall, Faeroes and East Central Section. Gales expected in Sole, Shannon, north Iceland and Norwegian Basin.
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.