High seas forecast and storm warnings
The general synopsis for UK
At 081200UTC, low 63 north 34 west 987 moving slowly northeastwards, losing its identity by 091200UTC. New low expected 63 north 16 west 986 by same time. High 69 north 01 west 1017 dissipating. New high expected 49 north 25 west 1027 by 091200UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southwest, veering northwest later, 5 to 7.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Southwest 5 to 7, veering northwest 6 to gale 8.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Southwest 5 to 7, veering northwest 6 to gale 8.
- Sea state
- Rough or very rough, becoming very rough or high later.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- South veering west 6 to gale 8.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Southeast veering west 5 to 7, occasionally gale 8 at first.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southeasterly 6 to gale 8, becoming cyclonic 3 to 5.
- Sea state
- Rough, occasionally very rough.
- Weather
- Rain then showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In north
- Wind
- Cyclonic 4 to 6, becoming northwesterly 7 to severe gale 9.
- Sea state
- Rough or very rough, occasionally high later in south and west.
- Weather
- Squally showers, fair later in southwest.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly or southwesterly 6 to gale 8, veering northwesterly 7 to severe gale 9.
- Sea state
- Rough or very rough, becoming very rough or high.
- Weather
- Showers, fair later.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north
- Wind
- Cyclonic 6 to gale 8, becoming westerly or southwesterly 4 to 6, then variable 2 to 4 later in far northwest.
- Sea state
- Rough or very rough, occasionally high at first in west.
- Weather
- Rain or showers at first, and again later in far southwest.
- Visibility
- Moderate or good, occasionally poor at first.
In south
- Wind
- Northwesterly 7 to severe gale 9, backing westerly 5 to 7, then backing southwesterly 4 to 6 later.
- Sea state
- Very rough or high, becoming rough or very rough.
- Weather
- Showers at first, rain later in far northwest.
- Visibility
- Moderate or good.
East Central Section
- Wind
- Southwesterly veering northwesterly 6 to gale 8, becoming variable 2 to 4 later in southwest.
- Sea state
- Rough or very rough in north, moderate or rough in south.
- Weather
- Rain or showers, fair later in north.
- Visibility
- Good, occasionally poor at first in north and later in south.
West Central Section
In north
- Wind
- Westerly 6 to gale 8, backing southwesterly 4 to 6, then backing southerly 3 to 5 later.
- Sea state
- Rough or very rough.
- Weather
- Mainly fair.
- Visibility
- Moderate or good.
In south
- Wind
- Westerly or northwesterly 3 to 5, becoming variable 2 to 4, then cyclonic 4 to 6 later.
- Sea state
- Moderate or rough.
- Weather
- Thundery rain in south.
- Visibility
- Good, occasionally poor in south.
Denmark Strait
- Storm warning
-
Issued:
At 081200UTC, low 63 north 34 west 987 moving slowly northeastwards, losing its identity by 091200UTC. New low expected 63 north 16 west 986 by same time. Northeasterly winds are expected to reach storm force 10 at times in the far east of Denmark Strait between 67 north and 70 north from 090300UTC until 091800UTC.
In east
- Wind
- Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 in east.
- Sea state
- Rough or very rough, occasionally high in south.
- Weather
- Rain or snow at times.
- Visibility
- Moderate or poor, occasionally very poor. Light icing in east near to greenland, with temperature ms02 or ms03.
In west
- Wind
- Northeasterly 6 to gale 8, becoming cyclonic 4 to 6.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain or sleet.
- Visibility
- Good, occasionally poor.
North Iceland
In south
- Wind
- Southeasterly 6 to gale 8, backing easterly 4 to 6 later.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Rain or snow at times.
- Visibility
- Moderate or good, occasionally very poor in north and west.
In north
- Wind
- Cyclonic 4 to 6, occasionally 7 in far west.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
Norwegian Basin
- Wind
- Easterly or southeasterly 5 to 7, becoming cyclonic 6 to gale 8 later in southwest.
- Sea state
- Moderate or rough.
- Weather
- Rain at times in southwest.
- Visibility
- Good, becoming moderate or poor in southwest.
Outlook for the following 24 hours
Severe gales expected in Rockall, Bailey, East Northern Section, both central sections and Denmark Strait.
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.