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High Seas forecast

Issued at 2000 UTC on Tuesday 23 August 2016
by the Met Office, Exeter, United Kingdom
for the period 2000 UTC Tuesday 23 August until 2000 UTC Wednesday 24 August 2016

General synopsis

At 231200UTC, low 59 north 22 west 995 slow-moving, filling 999 by 241200UTC. High southern Greenland 1026 slow-moving, declining 1022 by same time. High 42 north 37 west 1028 expected 38 north 34 west 1028 by that time. Highs 67 north 05 east 1026 and 78 north 02 east 1024 both dissipating

Area forecasts for the next 24 hours

Sole

Variable 3 or 4. Moderate. Showers. Good, occasionally poor.

Shannon

In southeast, westerly backing southwesterly, 3 or 4. in northwest, southerly or southwesterly 5 to 7. In southeast, moderate. in northwest, rough. In southeast, fair. in northwest, showers. In southeast, good. in northwest, moderate or good.

Rockall

Southerly or southwesterly 5 to 7. Very rough at first in northwest, otherwise rough. Showers. Moderate or good.

Bailey

Southeasterly 5 to 7, occasionally gale 8 at first in west, veering southerly 4 or 5 later. Very rough at first in southwest, otherwise rough, but becoming moderate later. Rain or showers. Moderate or good.

Faeroes

Easterly or southeasterly 4 or 5. Moderate or rough. Rain or showers. Good, occasionally poor.

Southeast Iceland

Easterly or southeasterly 4 or 5, occasionally 6 in west. Moderate or rough. Rain or showers. Good, occasionally poor.

East Northern Section

In north

Easterly or northeasterly 5 to 7, occasionally gale 8 at first, but mainly 4 throughout in far northwest. Rough or very rough becoming moderate or rough, but moderate throughout in far northwest. Rain or showers, mainly in south and east. Good, occasionally poor.

In south

Cyclonic 5 to 7. Moderate or rough. Rain or thundery showers. Good, occasionally poor.

West Northern Section

Northerly or northwesterly 5 to 7 in east and southeast, and southeasterly 5 later in far southwest, otherwise variable 3 or 4. Moderate, occasionally rough in east. Rain or showers in southeast, and later also in far southwest, fog patches in north. Moderate or good, occasionally poor in south, but becoming very poor at times in north.

East Central Section

In north

Westerly or southwesterly 5 or 6, occasionally 7 at first in far north, decreasing 4 at times later. Rough, becoming moderate or rough. Rain or squally showers. Good, occasionally moderate.

In south

Variable mainly westerly 3 or 4. Moderate. Showers. Good, occasionally moderate.

West Central Section

Westerly or northwesterly 5 or 6 in far northeast and southeasterly 5 later in far northwest, otherwise variable 3 or 4. Rough at first in far northeast, otherwise moderate. Showers, then rain later in west. Moderate or good, occasionally poor later in west.

Denmark Strait

In area south of 70 north

Northeasterly 3 or 4, occasionally 5 at first in south, then becoming variable later. Slight or moderate. Rain, drizzle or showers, fog banks. Moderate or poor, occasionally very poor.

In area north of 70 north

Southerly or southwesterly 3 or 4, occasionally 5 at first in far north, then becoming variable later. Slight, occasionally moderate at first in far north. Fog patches in south, otherwise fair. Moderate or good, occasionally very poor in south.

North Iceland

Variable 3 or 4, but southwesterly 5 or 6 until later in far north, and becoming southeasterly 5 at times near iceland. Slight or moderate. Rain, drizzle or showers, fog banks. Moderate or poor, occasionally very poor.

Norwegian Basin

Variable or cyclonic 3 or 4, occasionally 5 in east. Slight or moderate, becoming moderate. Rain, drizzle or showers, fog banks at first in west. Moderate or good, becoming poor at times, but occasionally very poor at first in west.

Outlook for following 24 hours

No gales expected.

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.

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