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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 2000 on Mon 01 Sep 2014 UTC

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

General synopsis

At 011200UTC, low 67 north 16 west 982 expected 69 north 15 west 987 by 021200UTC. Low 40 north 26 west 1016 expected 41 north 26 west 1012 by same time. Low 40 north 37 west 1016 expected 38 north 34 west 1013 by that time. at 011200UTC, developing low near 64 north 30 west expected 61 north 39 west 993 by 021200UTC. Highs 49 north 20 west 1025 and 79 north 02 west 1015 both dissipating

Sole

Mainly easterly or northeasterly, 3 or 4. Rough. Drizzle at times. Good, occasionally poor.

Shannon

Variable 3 or 4. Rough or very rough becoming moderate or rough. Fair. Moderate or good.

Rockall

Southerly or southwesterly 4 or 5, occasionally 6 in north. Very rough becoming rough. Mainly fair. Moderate or good.

Bailey

Southwest 5 to 7, perhaps gale 8 later. Very rough becoming rough. Rain or drizzle at times. Moderate or good, occasionally poor.

Faeroes

Southwest 5 to 7, perhaps gale 8 later. Very rough becoming rough. Rain or drizzle at times. Moderate or good, occasionally poor.

Southeast Iceland

Southwesterly 6 to gale 8, decreasing 5 at times later. Very rough or high becoming rough. Rain or showers. Moderate or good, occasionally poor.

East Northern Section

Southwesterly 5 to 7, occasionally gale 8 in south and east, becoming variable 4 at times later in north and west. Rough or very rough. Rain or drizzle at times in south and east, showers in north and west. Moderate or good, occasionally poor in south and east.

West Northern Section

In northeast

Southwesterly 5 or 6 decreasing 3 or 4. Rough or very rough, becoming rough. Rain or showers. Moderate or good, occasionally poor.

In northwest

Cyclonic 5 to 7, occasionally gale 8 at first in far northwest, becoming northerly 4 or 5 later. Rough or very rough becoming moderate or rough. Rain at times. Moderate or poor, occasionally good later.

In south

Westerly or southwesterly 4 or 5, increasing 6 at times. Rough. Rain at first in far southeast, otherwise showers. Moderate or poor at first in far southeast, otherwise good, occasionally moderate.

East Central Section

In north

Southwesterly 4 or 5, increasing 6 or 7 for a time in west. Very rough at first in northeast, otherwise moderate or rough. Fair in east, rain or showers in west. Moderate or good, occasionally poor in west.

In south

Variable 3 or 4. Rough becoming moderate. Rain or thundery showers, mainly in west. Moderate or good, occasionally poor.

West Central Section

In south

Mainly southwesterly becoming cyclonic, 4 or 5, increasing 6 at times. Moderate or rough, becoming moderate. Rain, drizzle or showers. Moderate or good, occasionally poor.

In north

Westerly or southwesterly 5 or 6, occasionally 7 at first in far northeast, decreasing 4 for a time. Rough, becoming moderate or rough. Rain at first in central and eastern areas, otherwise showers. Moderate or good, occasionally poor at first except in far west.

Denmark Strait

Northerly or northeasterly 6 to gale 8, occasionally severe gale 9 at first in east, becoming cyclonic 4 or 5 except in far east. Rough or very rough, becoming moderate or rough except in far east and in southeast. Rain or showers. Moderate or poor, occasionally good.

North Iceland

In northwest

Northerly or northeasterly 6 to gale 8. Moderate becoming rough, occasionally very rough later. Rain at times. Moderate or poor, occasionally good in far northwest.

In northeast

Northeasterly 4 or 5 becoming cyclonic 3 or 4. Slight or moderate becoming moderate or rough. Rain or drizzle at times, fog banks. Moderate to very poor.

In south

Cyclonic 5 to 7, occasionally gale 8 at first. Very rough or high at first in east, otherwise rough, but moderate or rough in west. Rain, drizzle or showers, fog patches in west. Moderate or good, occasionally poor, but becoming very poor at times in west.

Norwegian Basin

Southwesterly 5 to 7, occasionally gale 8 later in east. Moderate or rough at first in east, otherwise rough or very rough. Rain at times. Moderate or good, occasionally poor.

Outlook for following 24 hours

From Tue 02 Sep 2014

Gales expected in the northwest of sea area north Iceland and the east of Norwegian Basin. Risk of gales in sea area Southeast Iceland, the north of Bailey and the northeast of East 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.

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