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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 2000 on Fri 25 Jul 2014 UTC

The high seas forecast, issued by the Met Office, on behalf of the Maritime and Coastguard Agency

General synopsis

At 251200UTC, low 42 north 29 west 1006 expected 40 north 29 west 1010 by 261200UTC. Low 76 north 02 west 1009 expected 77 north 20 east 1010 by same time. High 63 north 03 east 1025 expected 67 north 11 east 1022 by that time. New lows expected 51 north 49 west 1002, west Hebrides 1013 and 75 north 20 west 1010 by 261200UTC. New high expected 46 north 16 west 1023 by same time

Sole

Variable mainly northerly 3 or 4. Slight or moderate. Showers. Good, occasionally poor.

Shannon

Variable 3 or 4, becoming westerly or northwesterly 4 or 5 later in northeast. Slight, becoming slight or moderate later. Showers. Good, occasionally poor.

Rockall

Variable 3 or 4 becoming west or northwest 4 or 5. Slight, becoming slight or moderate. Rain or thundery showers, fog patches at first. Moderate or good, occasionally very poor at first.

Bailey

Variable 3 or 4 becoming cyclonic 4 or 5, increasing 6 at times. Slight, becoming slight or moderate. Rain or thundery showers, fog patches. Moderate or good, occasionally very poor.

Faeroes

Variable 3 or 4, becoming northeasterly 4 or 5 later. Slight, becoming slight or moderate later. Rain at times, fog banks. Moderate or good, occasionally very poor.

Southeast Iceland

In south, variable 3 or 4, becoming northeasterly 4 or 5 later. in north, southwesterly 4 or 5 becoming variable 3 or 4. In south, slight, becoming slight or moderate later. in north, slight or moderate, becoming slight. In south, rain at times, fog banks. in north, fog patches. Moderate or good, occasionally very poor.

East Northern Section

In north

Variable 3 or 4. Slight. Rain at first in east, fog patches. Moderate or good, occasionally very poor.

In south

Variable 3 or 4, occasionally northwesterly 5 in east. Slight, becoming slight or moderate. Rain at first in east, and then later in west, otherwise fair. Moderate or good, occasionally poor at first in east.

West Northern Section

In north

Variable 3 or 4. Slight. Fog patches. Moderate or good, occasionally very poor.

In south

Easterly or southeasterly veering southerly, 4 or 5, occasionally 6 later. Slight becoming moderate. Fair at first in east, otherwise rain at times, fog patches in west. Moderate or good, occasionally poor, but becoming very poor at times in west.

East Central Section

Easterly or southeasterly 4 or 5 at first in central areas, otherwise variable 3 or 4. Moderate or rough at first in southwest, otherwise slight or moderate. Rain or showers with fog patches, mainly in central and southwestern areas. Moderate or good, occasionally very poor.

West Central Section

In southeast

Northerly or northeasterly 4 or 5 becoming variable 3 or 4. Moderate, becoming slight or moderate. Fog patches, occasional drizzle. Moderate or good, occasionally very poor.

In northwest

Southerly or southwesterly 3 or 4 increasing 5, occasionally 6 later. Slight or moderate, becoming moderate. Rain or drizzle, fog banks. Moderate or poor, occasionally very poor.

Denmark Strait

In area south of 70 north

Southwesterly 3 or 4, occasionally 5 later. Slight, occasionally moderate later. Fog banks. Moderate to very poor, occasionally good near iceland.

In area north of 70 north

Variable 3 or 4. Slight. Mainly fair. Moderate or good.

North Iceland

Variable mainly southwesterly 3 or 4, occasionally 5 except in far north. Slight, occasionally moderate except in far north. Rain or drizzle at times, fog banks. Moderate to very poor, occasionally good.

Norwegian Basin

Variable 3 or 4. Slight. Fog banks, mainly in western and central areas, occasional drizzle. Moderate to very poor, occasionally good in east.

Outlook for following 24 hours

From Sat 26 Jul 2014

Gales or severe gales expected in West Northern Section.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

High Seas overview

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 containg forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

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.