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High seas forecast

Issued at:

For the period to

General synopsis

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. at 221200UTC, 61 north 23 west 978 expected 66 north 35 west 970 by 231200UTC. Lows 43 north 29 west 989 and 62 north 42 west 975 both losing their identities by same time. New low expected 55 north 40 west 985 by that time. at 221200UTC, high 71 north 29 west 998 slow moving and dissipating

Sole
Wind
In west, southerly 7 to severe gale 9, decreasing 5, backing southeasterly 5 or 6 later. in east, southeasterly 5 to 7, occasionally gale 8, becoming variable 3 or 4.
Sea state
In west, very rough, occasionally high at first. in east, rough or very rough.
Weather
In west, rain. in east, rain later.
Visibility
In west, good, occasionally poor. in east, good, occasionally poor later.
Shannon
Wind
South 6 to gale 8, occasionally severe gale 9, veering southwest 5 to 7 later.
Sea state
Very rough or high.
Weather
Rain.
Visibility
Good, occasionally poor.
Rockall
Wind
South 6 to gale 8, occasionally severe gale 9, veering southwest 5 to 7 later.
Sea state
Very rough or high.
Weather
Rain.
Visibility
Good, occasionally poor.
Bailey
Wind
South 7 to severe gale 9, perhaps storm 10 later.
Sea state
High, occasionally very rough.
Weather
Rain.
Visibility
Moderate or poor.
Faeroes
Wind
Southerly, veering southwesterly, 7 to severe gale 9.
Sea state
Very rough or high.
Weather
Rain.
Visibility
Moderate, occasionally poor.
Southeast Iceland
Wind
Southerly, veering southwesterly, 7 to severe gale 9, perhaps storm 10 later.
Sea state
Very rough or high.
Weather
Rain.
Visibility
Moderate, occasionally poor.
East Northern Section
High seas storm warning - issued: 20:00 on Fri 22 Feb 2019 UTC

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Winds will reach storm force 10 at times in the southern quadrant 120 miles to 250 miles from the centre from 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Winds will reach storm force 10 at times in the southeastern quadrant 150 miles to 250 miles from the centre from 231500UTC and in the northwestern quadrant 50 miles to 150 miles from 231500UTC. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. Winds are expected to reach storm force 10 or violent storm force 11 at times in all quadrants between 70 miles and 400 miles from the centre from 231000UTC.

Wind
Cyclonic, mainly southerly, 7 to severe gale 9, becoming southwesterly gale 8 to storm 10 later, but backing southeasterly 6 to gale 8 later in south.
Sea state
Very rough or high, occasionally very high later.
Weather
Rain or squally showers, turning wintry later.
Visibility
Moderate or poor.
West Northern Section
High seas storm warning - issued: 20:00 on Fri 22 Feb 2019 UTC

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Winds will reach storm force 10 at times in the southern quadrant 120 miles to 250 miles from the centre from 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Winds will reach storm force 10 at times in the southeastern quadrant 150 miles to 250 miles from the centre from 231500UTC and in the northwestern quadrant 50 miles to 150 miles from 231500UTC. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. Winds are expected to reach storm force 10 or violent storm force 11 at times in all quadrants between 70 miles and 400 miles from the centre from 231000UTC.

Wind
Cyclonic 7 to severe gale 9, occasionally storm 10 later in northeast.
Sea state
Rough or very rough, occasionally high in east.
Weather
Occasional sleet or snow.
Visibility
Moderate or good, occasionally very poor.
East Central Section
High seas storm warning - issued: 20:00 on Fri 22 Feb 2019 UTC

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Winds will reach storm force 10 at times in the southern quadrant 120 miles to 250 miles from the centre from 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Winds will reach storm force 10 at times in the southeastern quadrant 150 miles to 250 miles from the centre from 231500UTC and in the northwestern quadrant 50 miles to 150 miles from 231500UTC. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. Winds are expected to reach storm force 10 or violent storm force 11 at times in all quadrants between 70 miles and 400 miles from the centre from 231000UTC.

Wind
Cyclonic, becoming southwesterly, 7 to severe gale 9, backing southeasterly gale 8 to storm 10, occasionally violent storm 11 later in far southwest.
Sea state
Very rough or high, occasionally very high later in far southwest.
Weather
Rain or thundery showers.
Visibility
Moderate or poor, occasionally good.
West Central Section
High seas storm warning - issued: 20:00 on Fri 22 Feb 2019 UTC

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Winds will reach storm force 10 at times in the southern quadrant 120 miles to 250 miles from the centre from 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Winds will reach storm force 10 at times in the southeastern quadrant 150 miles to 250 miles from the centre from 231500UTC and in the northwestern quadrant 50 miles to 150 miles from 231500UTC. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. Winds are expected to reach storm force 10 or violent storm force 11 at times in all quadrants between 70 miles and 400 miles from the centre from 231000UTC.

Wind
Westerly 4 or 5, becoming cyclonic 5 to 7, increasing gale 8 to storm 10 later occasionally violent storm 11 in far south.
Sea state
Rough or very rough, becoming high or very high in southeast.
Weather
Thundery showers, wintry in west, then rain or sleet moving northwards.
Visibility
Moderate or poor, occasionally good.
Denmark Strait
High seas storm warning - issued: 20:00 on Fri 22 Feb 2019 UTC

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Winds will reach storm force 10 at times in the southern quadrant 120 miles to 250 miles from the centre from 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Winds will reach storm force 10 at times in the southeastern quadrant 150 miles to 250 miles from the centre from 231500UTC and in the northwestern quadrant 50 miles to 150 miles from 231500UTC. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. Winds are expected to reach storm force 10 or violent storm force 11 at times in all quadrants between 70 miles and 400 miles from the centre from 231000UTC.

Wind
Northeasterly 6 to gale 8, becoming cyclonic 7 to severe gale 9, occasionally storm 10 later in far northeast and variable 4 near ice edge in southwest.
Sea state
Rough or very rough.
Weather
Occasional sleet or snow.
Visibility
Moderate or good, occasionally very poor. Moderate or severe icing developing later near ice edge in northeastern areas, with temperatures ms02 or ms06.
North Iceland
High seas storm warning - issued: 20:00 on Fri 22 Feb 2019 UTC

At 221200UTC, low 56 north 30 west 977 expected 64 north 27 west 975 by 231200UTC. Winds will reach storm force 10 at times in the southern quadrant 120 miles to 250 miles from the centre from 231200UTC. Low 47 north 25 west 989 expected Iceland 973 by same time. Winds will reach storm force 10 at times in the southeastern quadrant 150 miles to 250 miles from the centre from 231500UTC and in the northwestern quadrant 50 miles to 150 miles from 231500UTC. Low 41 north 49 west 977 expected 44 north 33 west 959 by that time. Winds are expected to reach storm force 10 or violent storm force 11 at times in all quadrants between 70 miles and 400 miles from the centre from 231000UTC.

In north

Wind
Southwesterly 5 or 6, becoming variable 3 or 4, then northeasterly 7 to severe gale 9 later.
Sea state
Moderate or rough.
Weather
Fog patches at first, then sleet and snow moving north.
Visibility
Moderate or good, occasionally very poor. Occasional light or moderate icing developing later near ice edge, with temperatures ms02 or ms07.

In south

Wind
Cyclonic 7 to severe gale 9, becoming southeasterly 5 to 7, then cyclonic gale 8 to storm 10 later.
Sea state
Rough or very rough, occasionally high in southeast and moderate at first in northwest.
Weather
Rain, turning into sleet and snow later in northwest.
Visibility
Moderate or good, occasionally very poor. Occasional light or moderate icing developing later near ice edge in far northwest, with temperatures ms02 or ms07.
Norwegian Basin
Wind
Southerly or southwesterly 6 to gale 8, occasionally severe gale 9 in east and later in far northwest.
Sea state
Very rough, occasionally high later.
Weather
Rain or drizzle at times.
Visibility
Moderate or good, occasionally poor.

Outlook for following 24 hours

Violent storms expected in West Northern Section and central sections, with storms expected in East Northern Section, Denmark Strait and north Iceland. Gales or severe gales expected in all other areas.

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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