Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 060000UTC, low 63 north 28 west 1005 expected 63 north 26 west 999 by 070000UTC. High 51 north 26 west 1027 expected 49 north 05 west 1026 by same time. New high expected 49 north 29 west 1025 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
In west, variable 3 or less becoming southerly or southeasterly 4 to 6. in east, northwesterly 3 to 5 becoming variable 2 to 4.
Sea state
In west, moderate. in east, slight or moderate becoming smooth or slight.
Weather
In west, fair then thundery rain. in east, showers.
Visibility
Good, occasionally poor in west.

Shannon

Wind
Northwesterly 3 to 5 becoming variable 2 to 4.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Rockall

Wind
Southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Bailey

Wind
Southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
Variable 3 or 4 becoming southwest 4 or 5.
Sea state
Slight or moderate.
Weather
Showers then rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Southwesterly becoming cyclonic, 3 to 5.
Sea state
Slight or moderate.
Weather
Rain, fog patches in north.
Visibility
Moderate or good, occasionally very poor in north.

East Northern Section

In northern half of the area

Wind
Cyclonic 3 to 5, becoming northeasterly 6 to gale 8 in far northwest and northwesterly 6 later in far southwest.
Sea state
Moderate or rough, becoming very rough later in far northwest.
Weather
Rain or showers.
Visibility
Moderate or poor, occasionally good in south.

In southern half of the area

Wind
Westerly or southwesterly 5 or 6, occasionally 4 in west.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor in far south.

West Northern Section

In northern half of the area

Wind
Cyclonic mainly northerly 3 to 5 increasing 6 to gale 8, but becoming variable 2 to 4 later in far west.
Sea state
Moderate, becoming rough or very rough except in far west.
Weather
Rain at times, mainly in east.
Visibility
Good, occasionally poor in east.

In southern half of the area

Wind
Westerly or southwesterly 4 to 6, veering northerly or northwesterly 3 to 5 except in far south.
Sea state
Moderate or rough.
Weather
Rain or drizzle, with fog patches in west, then showers in north.
Visibility
Moderate or poor, occasionally very poor in west, but becoming good in north.

East Central Section

In area to the north of 52 north

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain at times.
Visibility
Good, occasionally moderate.

In area between 50 north and 52 north

Wind
Variable 2 to 4.
Sea state
Moderate.
Weather
Thundery rain later in east, otherwise fair.
Visibility
Good, occasionally poor later in east.

In area to the south of 50 north

Wind
Easterly or northeasterly becoming cyclonic, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor in east.

West Central Section

In north

Wind
Southerly or southwesterly 4 or 5, occasionally 6 in northeast.
Sea state
Rough until later in far northeast, otherwise slight or moderate.
Weather
Rain in far north, with fog patches in far northwest, otherwise mainly fair.
Visibility
Moderate or good, becoming poor at times in far north but occasionally very poor in far northwest.

In southeast

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Showers at first.
Visibility
Good.

In southwest

Wind
Southerly backing southeasterly, 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional rain in far southwest, otherwise mainly fair.
Visibility
Good, occasionally moderate in far southwest.

Denmark Strait

Wind
Northerly or northeasterly 5 to 7, occasionally gale 8 in south but becoming variable 2 to 4 near greenland.
Sea state
Moderate or rough, becoming rough or very rough in south.
Weather
Rain until later in south, otherwise mainly fair.
Visibility
Moderate or good, occasionally poor until later in south.

North Iceland

In northwestern half of the area

Wind
Northerly or northeasterly 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Drizzle, rain or sleet at times, but fair in far northwest.
Visibility
Good, occasionally poor except in far northwest.

In southeastern half of the area

Wind
Variable 2 to 4, becoming northerly or northeasterly 5 in north.
Sea state
Slight or moderate.
Weather
Rain or drizzle at times, fog patches developing in south.
Visibility
Moderate or good, becoming poor at times, but occasionally very poor in south.

Norwegian Basin

Wind
Northerly or northwesterly 4 to 6, backing southerly or southwesterly 3 to 5 in west, and later also in east.
Sea state
Slight or moderate.
Weather
Rain or showers, fog patches later in far west.
Visibility
Moderate or good, occasionally very poor later in far west.

Outlook for the following 24 hours

Gales expected in the northwest of East Northern Section, the northeast of West Northern Section and the south of Denmark Strait.

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

High seas forecast information

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 containing forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

Marine forecasts disclaimer

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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