Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 101200UTC, low 57 north 22 west 969 expected 64 north 11 west 958 by 111200UTC. Low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Low 67 north 15 west losing its identity by that time. at 101200UTC, low 60 north 56 west 984 expected 62 north 58 west 976 by 111200UTC.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Cyclonic, mainly west or southwest 6 or 7, occasionally gale 8 at first.
Sea state
Rough or very rough, occasionally high for a time.
Weather
Rain, then showers.
Visibility
Good, occasionally poor.

Shannon

Wind
Southwest veering west for a time, 6 to gale 8, occasionally severe gale 9 at first.
Sea state
Very rough or high, occasionally very high for a time in north.
Weather
Rain or squally showers.
Visibility
Moderate or poor.

Rockall

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

Wind
Cyclonic becoming west or northwest, gale 8 to storm 10, occasionally violent storm 11 at first, backing southwest 7 to severe gale 9 later.
Sea state
Very rough or high, becoming high, occasionally very high for a time.
Weather
Squally showers.
Visibility
Moderate or poor.

Bailey

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

Wind
Cyclonic 7 to severe gale 9, occasionally storm 10 for a time, becoming southwest 6 to gale 8 later.
Sea state
Rough or very rough, becoming very rough or high, occasionally very high for a time.
Weather
Rain or squally showers.
Visibility
Moderate or poor.

Faeroes

Wind
Cyclonic 5 to 7, increasing 7 to severe gale 9, perhaps storm 10 later.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 3 to 5 at first, otherwise 5 to 7, increasing 7 to severe gale 9.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

East Northern Section

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

In area north of 60 north

Wind
Cyclonic, 3 to 5 at first in northeast, otherwise 7 to severe gale 9, decreasing 5 to 7 later.
Sea state
Rough or very rough, occasionally high in southeast.
Weather
Rain then squally wintry showers, with snow at times in northwest.
Visibility
Moderate or poor, occasionally good, but becoming very poor at times in northwest.

In rest of area

Wind
Cyclonic becoming westerly or northwesterly, 7 to severe gale 9, but storm 10 or violent storm 11 at first in southeast, backing westerly or southwesterly later.
Sea state
Very rough or high, occasionally very high at first in southeast.
Weather
Rain, sleet or squally showers, wintry at times.
Visibility
Moderate or poor.

West Northern Section

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

In area to the north of 60 north

Wind
Cyclonic becoming northwesterly 5 to 7, occasionally gale 8 at first in northwest, becoming cyclonic 2 to 4, then increasing 4 to 6, occasionally 7 later in northeast.
Sea state
Rough or very rough, occasionally moderate in far northwest.
Weather
Sleet, snow or wintry showers.
Visibility
Moderate or good, occasionally very poor. Light icing at times in far northeast and far west.

In rest of area

Wind
Westerly or northwesterly, 6 to gale 8, occasionally 5 in west, becoming cyclonic 7 to severe gale 9, occasionally 6 in north, but storm 10 at times later in south.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Rain, snow or squally and wintry showers.
Visibility
Moderate to poor, occasionally good, but very poor at times. Occasional light icing later in southwest.

East Central Section

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

In area to the north of 50 north

Wind
Westerly or northwesterly, backing southwesterly later, 7 to severe gale 9, occasionally storm 10 at first in northeast.
Sea state
High or very high, becoming very rough or high.
Weather
Rain or squally, wintry showers.
Visibility
Moderate or poor, occasionally good later.

In area to the south of 50 north

Wind
Westerly or northwesterly backing southwesterly later, 5 to 7, occasionally gale 8 at first and later in north.
Sea state
Very rough or high, becoming rough or very rough later.
Weather
Rain or showers, but becoming fair for a time.
Visibility
Moderate or good, occasionally poor.

West Central Section

In area to the south of 50 north

Wind
Westerly or northwesterly at first in east, otherwise southwesterly 5 to 7, occasionally 4 at first in south, and gale 8 in north.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In area to the north of 50 north

Wind
Westerly backing southwesterly, 7 to severe gale 9, occasionally 6 at first.
Sea state
Very rough or high.
Weather
Squally wintry showers, then rain or sleet for a time.
Visibility
Moderate or poor, occasionally good. Occasionally light icing later in northwest.

Denmark Strait

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

In area to the west of 30 west and south of 66 north

Wind
Variable 2 to 4, becoming cyclonic 4 to 6.
Sea state
Moderate or rough.
Weather
Snow showers.
Visibility
Good, occasionally poor.

In rest if area

Wind
Northeasterly gale 8 to storm 10, occasionally 7 at first, increasing violent storm 11 at times later in north.
Sea state
Very rough or high.
Weather
Sleet or snow at times.
Visibility
Moderate to poor, occasionally very poor. Light or moderate icing, with temperatures ms02 to ms05, but severe or very severe icing near the ice, with temperatures ms06 to ms09.

North Iceland

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

Wind
Cyclonic 5 to 7, increasing gale 8 at times, but in west close to ice, mainly northerly or northeasterly, 7 to severe gale 9, occasionally storm 10.
Sea state
Moderate or rough at first in north, otherwise rough or very rough, but occasionally high later in far southeast.
Weather
Sleet or snow at times in west and north, rain or sleet at times in southeast.
Visibility
Moderate to poor, occasionally very poor, but good at times in south. Light or moderate icing in north and west, with temperatures ms02 to ms05, but severe or very severe icing at times near the ice, with temperatures ms06 to ms09.

Norwegian Basin

High seas storm warning
Issued:

At 100000UTC, low 54 north 36 west 987 expected 61 north 12 west 965 by 110000UTC. Winds will reach storm force 10 between 100 miles and 350 miles from the centre in the southern and southwestern quadrant throughout, and occasionally increase violent storm 11 until 110200UTC. In addition northeasterly winds will increase storm force 10 at times from 102100UTC in the Denmark Strait, in an area east of 22 west and north of 67 north, and occasionally increase violent storm force 11 from 111800UTC, mainly over the ice in same area. Also in sea area north Iceland in an area that lies both west of 18 west and north of 68 north winds will increase storm force 10 at times throughout mainly over the ice. And finally, low 54 north 55 west 987 expected 57 north 33 west 973 by same time. Winds will occasionally increase storm force 10 between 50 and 150 mile from the centre in the southern quadrant from 1109000UTC.

Wind
Southerly or southwesterly 5 to 7, occasionally gale 8 at first in east, backing southerly or southeasterly 7 to severe gale 9, perhaps storm 10 for a time in east, backing southwesterly 6 to gale 8 later in west.
Sea state
Rough or very rough, becoming very rough or high later, except in far east.
Weather
Rain or showers, squally later.
Visibility
Moderate or good, occasionally poor.

Outlook for following 24 hours

Violent storm force winds are expected in west north section, Denmark Strait and north Iceland. Storm force winds expected in Rockall, East Northern Section and West Central Section. Severe gales expected in Shannon, Bailey, Faeroes, East Central Section and Norwegian Basin, with a risk of severe gales in Sole. Gales are expected in Southeast Iceland.

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

The 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.