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Weather warnings may have been issued

High seas forecast

Issued at 0800 UTC on Friday 19 January 2018
by the Met Office, Exeter, United Kingdom
for the period 0800 UTC Friday 19 January until 0800 UTC Saturday 20 January 2018

General synopsis

At 190000UTC, low 63 north 11 west 988 expected 62 north 00 west 991 by 200000UTC. Low 64 north 04 east 986 expected 67 north 02 east 989 by same time. Low 71 north 03 east 988 expected 69 north 14 west 992 by that time. New lows expected 56 north 24 west 990 and 55 north 42 west 990 by 200000UTC. High 39 north 24 west 1034 expected 38 north 21 west with little change by same time. High 63 north 45 west 1016 losing its identity by that time

Area forecasts for the next 24 hours

Sole

Westerly or northwesterly, becoming cyclonic, 5 to 7, increasing gale 8 at times, perhaps severe gale 9 later. Rough or very rough, occasionally high later. Squally showers, then rain. Moderate or good, occasionally poor later.

Shannon

West 6 to gale 8, perhaps severe gale 9 later, becoming variable 3 or 4 for a time later. Very rough or high. Squally showers, then rain. Moderate or good, occasionally poor later.

Rockall

Westerly 6 to gale 8, occasionally severe gale 9 at first, decreasing 4 or 5, becoming mainly variable 3 or 4 later. Rough or very rough, occasionally high. Squally wintry showers, rain later in southwest. Good, occasionally poor.

Bailey

Cyclonic 4 or 5, increasing 6 at times. Moderate or rough, occasionally very rough. Thundery wintry showers. Good, occasionally poor.

Faeroes

Cyclonic 4 or 5, increasing 6 at times. Moderate or rough, occasionally very rough. Thundery wintry showers. Good, occasionally poor.

Southeast Iceland

Mainly northerly or northeasterly 5 to 7, decreasing 4 at times. Moderate or rough, occasionally very rough. Thundery wintry showers. Good, occasionally poor.

East Northern Section

In area north of 61 north

Cyclonic, becoming northeasterly in north, 4 or 5, increasing 6 or 7 at times, becoming variable 3 or 4 except in northwest. Moderate or rough. Wintry showers. Good, occasionally poor.

In rest of area

Westerly or northwesterly 5 to 7, occasionally gale 8 at first in southeast, becoming variable 3 or 4, then cyclonic 5 to 7 in far south. Very rough or high, becoming moderate or rough. Wintry showers, rain for a time in south. Moderate or good, occasionally poor.

West Northern Section

In north

Cyclonic becoming easterly or northeasterly later, 5 to 7, increasing gale 8 at times, decreasing 4 at times in southeast. Rough or very rough, occasionally moderate later. Wintry showers. Good, occasionally poor. Light icing later in far northwest.

In southeast

Westerly 5 or 6 at first in northeast, otherwise variable 3 or 4, becoming cyclonic 5 to 7 in south, occasionally gale 8 later, then becoming easterly or southeasterly 5 or 6 later. Rough or very rough, occasionally moderate later. Wintry showers, then rain or snow for a time in south. Moderate or good, occasionally poor.

In southwest

Variable 3 or 4 at first except in far southwest, otherwise easterly or southeasterly, becoming cyclonic for a time, 5 to 7. Moderate or rough. Rain or snow at times in south. Moderate or good, occasionally poor.

East Central Section

In northeastern half of area

Westerly or southwesterly, becoming cyclonic for a time, 5 to 7, increasing gale 8 at times. Very rough or high. Wintry showers, then rain or drizzle at times. Moderate or good,occasionally poor.

In southwestern half of area

Cyclonic, becoming westerly or southwesterly for a time, 5 to 7, increasing gale 8 at times until later. Very rough, occasionally rough. Rain or drizzle at times. Moderate or good, occasionally poor.

West Central Section

Cyclonic becoming westerly or southwesterly for a time, 6 to gale 8, occasionally severe gale 9 at first in northeast and later in southwest, decreasing 4 or 5 at times. Rough or very rough, becoming high later in far southwest. Snow at first in far north, otherwise rain or drizzle at times. Moderate or poor, occasionally good.

Denmark Strait

Mainly variable 3 or 4 near ice edge, otehrwise northerly or northeasterly 6 to gale 8, occasionally severe gale 9 later in far east. Rough or very rough, occasionally moderate near ice edge. Snow showers until later, then snow in far east. Good, occasionally poor, becoming poor of very poor in far east. Light icing within 50 miles of ice edge in east at first with temperatures ms02 to ms04, becoming light or moderate icing later in far east with temperatures ms03 to ms06.

North Iceland

Variable 3 or 4 in southeast, otherwise cyclonic 5 to 7, increasing gale 8 at times, occasionally severe gale 9 in far west. Moderate or rough in southeast, otherwise rough or very rough, occasionally moderate later. Wintry showers or snow. Good, occasionally poor. Light icing near ice edge with temperatures ms02 or ms03.

Norwegian Basin

In area east of 02 east

Cyclonic, becoming southerly or southeasterly, 4 or 5, increasing 6 at times. Moderate or rough. Thundery wintry showers. Good, occasionally poor. Light icing for a time at first in far east with temperature ms03 to ms05.

In rest of area

Variable becoming cyclonic 3 or 4. Moderate, occasionally rough. Wintry showers. Good, occasionally poor.

Outlook for following 24 hours

Storms expected in East Northern Section with gales or severe gales expected in all other areas except Faeroes, Southeast Iceland and Norwegian Basin.

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

High seas forecast and storm warnings

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.

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