High seas forecast and storm warnings
The general synopsis for UK
At 060000UTC, low 63 north 28 west 1005 expected 63 north 26 west 999 by 070000UTC. High 51 north 26 west 1027 expected 49 north 05 west 1026 by same time. New high expected 49 north 29 west 1025 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, variable 3 or less becoming southerly or southeasterly 4 to 6. in east, northwesterly 3 to 5 becoming variable 2 to 4.
- Sea state
- In west, moderate. in east, slight or moderate becoming smooth or slight.
- Weather
- In west, fair then thundery rain. in east, showers.
- Visibility
- Good, occasionally poor in west.
Shannon
- Wind
- Northwesterly 3 to 5 becoming variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good.
Rockall
- Wind
- Southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Variable 3 or 4 becoming southwest 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Showers then rain.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly becoming cyclonic, 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Rain, fog patches in north.
- Visibility
- Moderate or good, occasionally very poor in north.
East Northern Section
In northern half of the area
- Wind
- Cyclonic 3 to 5, becoming northeasterly 6 to gale 8 in far northwest and northwesterly 6 later in far southwest.
- Sea state
- Moderate or rough, becoming very rough later in far northwest.
- Weather
- Rain or showers.
- Visibility
- Moderate or poor, occasionally good in south.
In southern half of the area
- Wind
- Westerly or southwesterly 5 or 6, occasionally 4 in west.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor in far south.
West Northern Section
In northern half of the area
- Wind
- Cyclonic mainly northerly 3 to 5 increasing 6 to gale 8, but becoming variable 2 to 4 later in far west.
- Sea state
- Moderate, becoming rough or very rough except in far west.
- Weather
- Rain at times, mainly in east.
- Visibility
- Good, occasionally poor in east.
In southern half of the area
- Wind
- Westerly or southwesterly 4 to 6, veering northerly or northwesterly 3 to 5 except in far south.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle, with fog patches in west, then showers in north.
- Visibility
- Moderate or poor, occasionally very poor in west, but becoming good in north.
East Central Section
In area to the north of 52 north
- Wind
- Westerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Good, occasionally moderate.
In area between 50 north and 52 north
- Wind
- Variable 2 to 4.
- Sea state
- Moderate.
- Weather
- Thundery rain later in east, otherwise fair.
- Visibility
- Good, occasionally poor later in east.
In area to the south of 50 north
- Wind
- Easterly or northeasterly becoming cyclonic, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or thundery showers.
- Visibility
- Moderate or good, occasionally poor in east.
West Central Section
In north
- Wind
- Southerly or southwesterly 4 or 5, occasionally 6 in northeast.
- Sea state
- Rough until later in far northeast, otherwise slight or moderate.
- Weather
- Rain in far north, with fog patches in far northwest, otherwise mainly fair.
- Visibility
- Moderate or good, becoming poor at times in far north but occasionally very poor in far northwest.
In southeast
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers at first.
- Visibility
- Good.
In southwest
- Wind
- Southerly backing southeasterly, 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain in far southwest, otherwise mainly fair.
- Visibility
- Good, occasionally moderate in far southwest.
Denmark Strait
- Wind
- Northerly or northeasterly 5 to 7, occasionally gale 8 in south but becoming variable 2 to 4 near greenland.
- Sea state
- Moderate or rough, becoming rough or very rough in south.
- Weather
- Rain until later in south, otherwise mainly fair.
- Visibility
- Moderate or good, occasionally poor until later in south.
North Iceland
In northwestern half of the area
- Wind
- Northerly or northeasterly 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Drizzle, rain or sleet at times, but fair in far northwest.
- Visibility
- Good, occasionally poor except in far northwest.
In southeastern half of the area
- Wind
- Variable 2 to 4, becoming northerly or northeasterly 5 in north.
- Sea state
- Slight or moderate.
- Weather
- Rain or drizzle at times, fog patches developing in south.
- Visibility
- Moderate or good, becoming poor at times, but occasionally very poor in south.
Norwegian Basin
- Wind
- Northerly or northwesterly 4 to 6, backing southerly or southwesterly 3 to 5 in west, and later also in east.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, fog patches later in far west.
- Visibility
- Moderate or good, occasionally very poor later in far west.
Outlook for the following 24 hours
Gales expected in the northwest of East Northern Section, the northeast of West Northern Section and the south of 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.