High seas forecast and storm warnings
The general synopsis for UK
At 01200UTC, low 45 north 55 west 990 expected 53 north 35 west 994 by 021200UTC. Low 57 north 18 west 997 expected 58 north 13 west 999 by same time. High 72 north 07 east 1016 dissipating by that time. at 011200UTC new low expected 58 north 03 west 997 by 021200UTC. New low expected 59 north 10 west 999 by same time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- West or southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Thundery showers.
- Visibility
- Moderate or good.
Shannon
- Wind
- Southwest veering west or northwest for a time, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good.
Rockall
- Wind
- Cyclonic 3 to 5, occasionally 6 later in south.
- Sea state
- Moderate, becoming moderate or rough later.
- Weather
- Rain or thundery showers, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
Bailey
- Wind
- Cyclonic 3 to 5.
- Sea state
- Moderate.
- Weather
- Rain or thundery showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Faeroes
- Wind
- East or southeast becoming variable, 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Rain, fog patches.
- Visibility
- Moderate to very poor, becoming moderate or good later.
Southeast Iceland
- Wind
- Variable 2 to 4.
- Sea state
- Moderate.
- Weather
- Rain, fog patches.
- Visibility
- Moderate to very poor, occasionally good.
East Northern Section
In north
- Wind
- Easterly or northeasterly 3 to 5, but northwesterly at first in northwest 3 or 4, becoming variable 2 to 4, then becoming easterly or southeasterly 2 or 3 later.
- Sea state
- Moderate, occasionally slight in far north.
- Weather
- Occasional rain or drizzle, fog patches for a time in north.
- Visibility
- Moderate or good, occasionally poor, but very poor for a time in north.
In south
- Wind
- Cyclonic 3 to 5, increasing 5 or 6 for a time in southeast, becoming variable 3 or less later.
- Sea state
- Moderate.
- Weather
- Occasional rain or showers, becoming mainly fair for a time in west.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north
- Wind
- Variable 2 to 4.
- Sea state
- Moderate, becoming slight or moderate in north.
- Weather
- Occasional rain or drizzle, fog patches at first, becoming fair at times later.
- Visibility
- Moderate or good, occasionally very poor at first.
In south
- Wind
- Northerly or northwesterly, becoming cyclonic later, 3 to 5 increasing 6 or 7 later in northwest.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle mainly in west, otherwise mainly fair.
- Visibility
- Moderate or good, occasionally poor in east.
East Central Section
- Wind
- Westerly or northwesterly, backing southwesterly, but becoming cyclonic later in north, 4 to 6, increasing 6 to gale 8 later in south.
- Sea state
- Rough or very rough, occasionally moderate in north.
- Weather
- Mainly fair, then rain or drizzle for a time, showers later, perhaps thundery later in north.
- Visibility
- Moderate or good, becoming moderate or poor for a time.
West Central Section
In north
- Wind
- westerly, becoming cyclonic, 4 to 6, occasionally 3 at first and 7 in west.
- Sea state
- Moderate or rough.
- Weather
- Mainly fair, then rain or showers, becoming mainly fair later in west.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- cyclonic, becoming westerly or southwesterly later, 5 or 6, occasionally 7 in south, increasing 6 to gale 8 later.
- Sea state
- Rough, becoming rough or very rough, occasionally high later.
- Weather
- Rain or showers, perhaps thundery at first, becoming mainly fair later.
- Visibility
- Moderate or good, occasionally poor at first.
Denmark Strait
In area north of 70 north
- Wind
- Southerly 3 to 5.
- Sea state
- Smooth or slight.
- Weather
- Extensive fog.
- Visibility
- Poor or very poor.
In rest of area
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate, becoming mainly slight.
- Weather
- Fog banks developing, occasional rain or drizzle later in west.
- Visibility
- Moderate to very poor, becoming moderate or good later.
North Iceland
In north
- Wind
- Southerly backing southeasterly later, 3 to 5.
- Sea state
- Slight or moderate in east, otherwise smooth or slight.
- Weather
- Extensive fog in north and west, otherwise mainly fair, occasional rain or drizzle later in northwest.
- Visibility
- Moderate or good, occasionally poor, but poor or very poor until later in north and west.
In south
- Wind
- Easterly or southeasterly 3 to 5, becoming variable 3 or less at times in south.
- Sea state
- Mainly moderate in east, otherwise slight.
- Weather
- Mainly fair in northeast, otherwise occasional rain, drizzle and fog patches.
- Visibility
- Mainly good in northeast, otherwise moderate to very poor.
Norwegian Basin
- Wind
- Cyclonic 3 to 5, becoming easterly or southeasterly 3 or 4 later in east.
- Sea state
- Moderate.
- Weather
- Rain or drizzle, fog patches in northwest.
- Visibility
- Moderate or good, occasionally very poor in northwest.
Outlook for the following 24 hours
Gales expected in Sole, Shannon, East Northern Section, East Central Section and East Central Section. A risk of gales in 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.