High seas forecast and storm warnings
The general synopsis for UK
At 090000UTC, low 57 north 38 west 996 expected 63 north 28 west 982 by 100000UTC. Low 71 north 18 west 989 expected 76 north 02 east 991 by same time. High 46 north 16 west 1027 dissipating
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, variable 2 to 4 becoming southwesterly 5 to 7, perhaps gale 8 for a time later, then becoming cyclonic 4 to 6 later. in east, northwesterly backing southwesterly 4 to 6, decreasing 2 or 3 for a time.
- Sea state
- Moderate or rough.
- Weather
- In west, rain later. in east, showers.
- Visibility
- In west, good, becoming moderate or poor later. in east, good, occasionally moderate.
Shannon
- Wind
- West or southwest 3 to 5 backing south or southwest 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough, occasionally very rough later in southwest.
- Weather
- Showers, then rain later.
- Visibility
- Good, occasionally moderate at first and poor later.
Rockall
- Wind
- West or southwest 3 to 5 backing south or southwest 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough.
- Weather
- Showers, then rain later.
- Visibility
- Good, occasionally moderate at first and poor later.
Bailey
- Wind
- West or southwest 3 to 5 backing south or southwest 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough.
- Weather
- Showers, then rain later.
- Visibility
- Good, occasionally moderate at first and poor later.
Faeroes
- Wind
- Westerly or southwesterly, backing southerly later, 4 to 6.
- Sea state
- Slight or moderate, becoming moderate or rough later.
- Weather
- Rain later.
- Visibility
- Good, occasionally poor later.
Southeast Iceland
- Wind
- Westerly or southwesterly, backing southerly later, 4 to 6.
- Sea state
- Slight or moderate, becoming moderate or rough later.
- Weather
- Rain later.
- Visibility
- Good, occasionally poor later.
East Northern Section
In northern half of the area
- Wind
- Southerly or southwesterly 4 or 5 becoming cyclonic 4 to 6.
- Sea state
- Moderate, becoming moderate or rough.
- Weather
- Rain or drizzle, fog patches later in west.
- Visibility
- Moderate or good, becoming poor at times, but occasionally very poor later in west.
In southern half of the area
- Wind
- Southerly 5 to 7, occasionally gale 8 at first, veering southwesterly 4 to 6, then veering westerly 6 to gale 8 later in west.
- Sea state
- Moderate at first in north and east, otherwise rough, but becoming very rough later in west.
- Weather
- Rain, perhaps thundery, then drizzle, with fog patches for a time at first in west, then showers later in west.
- Visibility
- Moderate or good, becoming poor at times, but occasionally very poor at first in west.
West Northern Section
In northern half of the area
- Wind
- Cyclonic 3 to 5, increasing 5 to 7 in northwest.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, then sleet later in far northwest.
- Visibility
- Moderate or good, occasionally poor in south and east, and later also in far northwest.
In southern half of the area
- Wind
- Cyclonic 4 to 6 becoming westerly 6 to gale 8, occasionally severe gale 9 later in northwest.
- Sea state
- Moderate or rough, becoming very rough or high later.
- Weather
- Rain or drizzle, with fog patches, then showers.
- Visibility
- Moderate or poor, occasionally very poor at first, then becoming good at times.
East Central Section
- Wind
- Southerly 5 to 7, occasionally gale 8 at first except in far south and far west, veering westerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough, occasionally very rough at first in northeast.
- Weather
- Fair at first in far east, otherwise thundery rain, then drizzle or showers, fog patches at first in northwest.
- Visibility
- Good at first in east, otherwise moderate or poor, occasionally very poor at first in northwest, becoming moderate or good later.
West Central Section
- Wind
- Southwesterly veering westerly or northwesterly, 4 to 6, occasionally 7 at first in west, then becoming cyclonic 3 to 5 later in south, increasing 6 at times later in far south.
- Sea state
- Moderate or rough, becoming very rough later in far north.
- Weather
- Rain or drizzle at times, with fog patches at first in far northeast, then showers later in north and thundery rain later in south.
- Visibility
- Moderate or good, occasionally very poor at first in far northeast and poor later in south.
Denmark Strait
In area to the south of 71 north
- Wind
- Cyclonic becoming easterly or northeasterly, 4 to 6, increasing 6 to gale 8 within 100 miles of greenland, then occasionally severe gale 9 later near greenland.
- Sea state
- Moderate or rough, becoming very rough or high later within 100 miles of greenland.
- Weather
- Showers then rain, with sleet developing near greenland, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In area to the north of 71 north
- Wind
- Northeasterly 4 to 6 becoming variable 2 to 4.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Occasional rain or sleet, mainly in south, fog patches developing in south.
- Visibility
- Good, becoming moderate to very poor in south.
North Iceland
In northwestern half of the area
- Wind
- Northerly 6 to gale 8 at first in far northwest, otherwise cyclonic 4 to 6, becoming northerly or northeasterly later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, drizzle or showers, with sleet at first in far north, fog patches at first in north.
- Visibility
- Moderate or good, becoming poor at times, but occasionally very poor at first in north.
In southeastern half of the area
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers in north, occasional rain or drizzle developing in south.
- Visibility
- Moderate or good, occasionally poor in south.
Norwegian Basin
- Wind
- Variable 2 to 4 at first in far northeast, otherwise northwesterly backing southwesterly 3 to 5, then backing southerly 5 or 6 later in west.
- Sea state
- Moderate or rough, becoming slight or moderate in east.
- Weather
- Showers at first in east, perhaps thundery in far northeast, otherwise mainly fair, but occasional rain later in west.
- Visibility
- Good, occasionally moderate.
Outlook for the following 24 hours
Violent storm force winds expected in Denmark Strait. Severe gales expected in West Northern Section and north Iceland. Gales expected in Bailey, Southeast Iceland, East Northern Section and Norwegian Basin.
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.