High seas forecast and storm warnings
The general synopsis for UK
At 110000UTC, low 57 north 34 west 990 expected 62 north 27 west 995 by 120000UTC. Low 66 north 00 east 995 expected 65 north 05 west 998 by same time. High 40 north 26 west 1029 dissipating by that time. New high expected 45 north 04 west 1029 by 120000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly or southwesterly 4 to 6.
- Sea state
- Moderate, occasionally rough.
- Weather
- Occasional drizzle, fog patches later.
- Visibility
- Moderate or good, occasionally very poor later.
Shannon
- Wind
- Southwest 5 or 6.
- Sea state
- Rough.
- Weather
- Rain or drizzle.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- South veering west or southwest, 4 to 6.
- Sea state
- Rough, occasionally moderate at first, becoming very rough later in west.
- Weather
- Rain or drizzle.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southeast, veering west or southwest, 4 to 6.
- Sea state
- Moderate, occasionally rough.
- Weather
- Rain then showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Southwesterly backing southerly or southeasterly, 3 to 5, then veering westerly 5 or 6 later in south.
- Sea state
- Slight or moderate, occasionally rough later in south.
- Weather
- Showers, rain later.
- Visibility
- Good, occasionally poor later.
Southeast Iceland
- Wind
- Variable 2 to 4, but northerly or northwesterly in north, then becoming cyclonic later, 4 to 6.
- Sea state
- Moderate, but slight near Iceland, occasionally rough at first in far northeast.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
East Northern Section
In north of area
- Wind
- Easterly or northeasterly 4 to 6, becoming variable 2 to 4 later in far south.
- Sea state
- Moderate or rough in south, slight or moderate in north.
- Weather
- Rain at times.
- Visibility
- Good, occasionally moderate.
In south of area
- Wind
- Southeasterly 5 or 6 at first in far northeast, otherwise southwesterly veering westerly later, 5 to 7, occasionally gale 8 later in south.
- Sea state
- Moderate at first in northeast, otherwise rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good.
West Northern Section
In north of area
- Wind
- Northeasterly backing northerly later, 4 to 6, increasing 7 at times in south.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Good, occasionally moderate.
In south of area
- Wind
- Cyclonic 5 to 7, becoming westerly or northwesterly 4 to 6 later.
- Sea state
- Very rough at first in far southeast, otherwise rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
East Central Section
In southeast of area
- Wind
- Southwesterly 4 to 6, becoming variable 3 or less later in far southeast.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or drizzle, fog patches developing later.
- Visibility
- Moderate or good, occasionally very poor later.
In northwest of area
- Wind
- Southwesterly veering westerly later, 5 to 7, increasing gale 8 for a time in north.
- Sea state
- Rough or very rough.
- Weather
- Showers.
- Visibility
- Good.
West Central Section
In south of area
- Wind
- Westerly or southwesterly, becoming cyclonic later, 4 to 6.
- Sea state
- Rough, occasionally moderate later.
- Weather
- Rain or showers, fog patches later.
- Visibility
- Moderate or good, occasionally poor, or very poor later.
In north of area
- Wind
- Westerly or southwesterly 5 to 7, occasionally gale 8 at first in east, becoming variable 3 or less later in west.
- Sea state
- Rough, occasionally very rough in east.
- Weather
- Showers.
- Visibility
- Good.
Denmark Strait
- Wind
- Northerly or northeasterly 5 to 7, occasionally gale 8 at first in north, becoming variable 2 or 3 at times near greenland coast.
- Sea state
- Moderate or rough, occasionally slight near greenland coast.
- Weather
- Rain or drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
- Wind
- Cyclonic in far southeast, otherwise northeasterly, 4 or 5, increasing 6 at times except in far north.
- Sea state
- Slight in far north, otherwise moderate, occasionally rough.
- Weather
- Occasional drizzle, rain at times in south, fog banks.
- Visibility
- Moderate to very poor.
Norwegian Basin
- Wind
- Southwesterly 5 or 6, occasionally 7 at first in north, backing southerly, then backing easterly or southeasterly later, 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
Outlook for the following 24 hours
Gales expected in East Northern Section. Risk of gales in Rockall, Southeast Iceland, West Northern Section and West Central Section.
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.