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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 0800 on Mon 06 Jul 2015 UTC

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

General synopsis

At 060000UTC, low 51 north 22 west 999 expected 55 north 15 west 997 by 070000UTC. Low 61 north 06 east 1007 expected 63 north 16 east 994 by same time. Low 57 north 29 west 995 losing its identity by that time. at 060000UTC, low 44 north 54 west 1007 expected 45 north 46 west 998 by 070000UTC. High 77 north 07 west 1029 expected 75 north 12 west with little change by same time

Sole

Southerly veering westerly 5 to 7, decreasing 4 at times. Moderate or rough. Rain with fog patches for a time, squally showers later. Moderate or good, occasionally very poor.

Shannon

South or southeast 4 or 5, occasionally 6, becoming cyclonic 5 to 7. Slight or moderate, occasionally rough. Rain and fog patches at times. Moderate or good, occasionally very poor.

Rockall

South or southeast 4 or 5, occasionally 6, becoming cyclonic 5 to 7. Slight or moderate, occasionally rough. Rain and fog patches at times. Moderate or good, occasionally very poor.

Bailey

South or southeast 4 or 5, becoming cyclonic 5 to 7. Slight or moderate, occasionally rough. Rain and fog patches at times. Moderate or good, occasionally very poor.

Faeroes

North or northwest, veering northeast, 4 or 5. Slight or moderate. Rain at times, fog patches. Moderate or good, occasionally very poor.

Southeast Iceland

Northeasterly 4 or 5, increasing 6 at times. Slight or moderate, occasionally rough later. Rain at times, fog patches. Moderate or good, occasionally very poor.

East Northern Section

In north

Easterly or northeasterly 5 to 7, decreasing 4 at times, becoming variable 3 west of iceland. Moderate or rough, becoming slight east of iceland. Rain or drizzle at times with fog patches. Moderate or good, occasionally very poor.

In southeast

Easterly or southeasterly 4 or 5, occasionally 6 at first, backing northerly or northeasterly 5 to 7. Moderate or rough. Rain or drizzle at times with fog patches. Moderate or good, occasionally very poor.

In southwest

Easterly or northeasterly 5 or 6 until later in north, otherwise variable 3 or 4. Moderate or rough. Rain or drizzle at times with fog patches. Moderate or good, occasionally very poor.

West Northern Section

In north

Northeasterly 4 or 5, increasing 6 at times until later, becoming variable 3 later in far east. Moderate or rough. Rain or drizzle at times with fog patches. Moderate or good, occasionally very poor.

In south

Cyclonic 5 or 6, becoming variable 3 or 4 in east. Moderate or rough. Rain or drizzle at times with fog banks. Moderate or poor, occasionally very poor.

East Central Section

In northeast

Cyclonic 4 or 5, occasionally 6, becoming westerly or northwesterly 5 to 7. Moderate, occasionally rough. Rain at times with fog patches, squally showers later in south. Moderate or poor, occasionally very poor, becoming good in south.

In southeast

Cyclonic becoming westerly 5 to 7, decreasing 4 later in south. Moderate or rough. Squally showers. Moderate or poor, becoming good.

In southwest

Westerly or northwesterly 5 or 6, becoming variable 3 or 4. Rough, becoming moderate. Showers, rain and fog patches later in far southwest. Good, becoming moderate, occasionally very poor later in far southwest.

In northwest

Variable 3 or 4 in far north, otherwise westerly 5 or 6. Moderate or rough. Rain at times, fog patches. Moderate or good, occasionally very poor.

West Central Section

In southwest

Mainly northwesterly 4 or 5, becoming variable 3, then becoming cyclonic 5 to 7. Moderate, becoming rough or very rough in far southwest. Rain or drizzle with fog patches at times. Moderate or good, occasionally very poor.

In rest of area

Westerly or northwesterly 5 or 6, becoming variable 3 or 4. Moderate or rough. Rain or drizzle at times with fog patches in far south, otherwise mainly fair. Very poor at times in far south, otherwise moderate or good, occasionally poor.

Denmark Strait

In area south of 67 north

Northeasterly 5 or 6, decreasing 3 or 4 in west. Moderate or rough, but slight in far west. Fog banks, occasional rain at first in far south. Moderate or poor, occasionally very poor.

In rest of area

Variable 3 or 4. Smooth or slight, occasionally moderate at first in far southeast. Fog banks, occasional drizzle later. Moderate or poor, occasionally very poor.

North Iceland

Variable 3 or 4 in far northwest, otherwise northerly or northeasterly 4 or 5, increasing 6 later in far south. Slight or moderate. Fog banks clearing later, except in west, rain or drizzle at times in south. Moderate or poor, occasionally very poor, becoming good later in east.

Norwegian Basin

Cyclonic, becoming northerly or northeasterly, 5 to 7, decreasing 4 at times in south. Slight or moderate, becoming rough in northeast. Fog patches and occasional rain until later near Norwegian coast, otehrwise mainly fair. Occasionally very poor until later near Norwegian coast, otherwise moderate or good, occasionally poor.

Outlook for following 24 hours

From Tue 07 Jul 2015

Gales expected in West Central Section and Norwegian Basin.

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.