Coast and Sea

High seas forecast and storm warnings

The general synopsis for UK

At 130000UTC, low 51 north 49 west 994 expected 51 north 43 west 993 by 140000UTC. Lows 64 north 04 west 1000 and 63 north 21 west 1011 losing their identities by same time. High 48 north 05 west 1028 dissipating by that time. at 130000UTC, high south Greenland 1027 expected 74 north 19 west 1029 by 140000UTC

Issued at: 08:00 (UTC) on Sat 13 Jun 2026.

For the period 08:00 (UTC) on Sat 13 Jun 2026 to 08:00 (UTC) on Sun 14 Jun 2026.

High seas forecast and storm warnings map

High seas forecast and storm warnings explained

Sole

Wind: East or northeast 3 to 5, becoming variable 4 or less later.
Sea state: Moderate or rough.
Weather: Drizzle, fog patches.
Visibility: Good, occasionally very poor.

Shannon

Wind: Variable 4 or less becoming southeast 3 to 5.
Sea state: Rough becoming moderate.
Weather: Drizzle, fog patches.
Visibility: Good, occasionally very poor.

Rockall

Wind: West 4 to 6 becoming variable 2 to 4, then east 3 to 5.
Sea state: Rough or very rough becoming moderate.
Weather: Showers.
Visibility: Good.

Bailey

Wind: Northwest 5 or 6 veering northeast 4 or 5, then east 3 or 4.
Sea state: Rough or very rough becoming moderate or rough.
Weather: Rain.
Visibility: Good, occasionally moderate.

Faeroes

Wind: Cyclonic becoming north, 4 to 6, occasionally 7 at first.
Sea state: Moderate or rough, occasionally very rough at first in west.
Weather: Rain.
Visibility: Good, occasionally moderate.

Southeast Iceland

Wind: Northerly 5 to 7, becoming variable 4 or less.
Sea state: Moderate or rough.
Weather: Rain, fog patches.
Visibility: Good, occasionally very poor.

East Northern Section

In east

Wind: Cyclonic 3 to 5, becoming variable 2 to 4, then easterly or southeasterly 4 to 6 later.
Sea state: Rough becoming moderate.
Weather: Rain or drizzle in south, otherwise fair.
Visibility: Good, but moderate in south.

In west

Wind: Easterly or southeasterly 4 to 6, but cyclonic 2 to 4 at first in north.
Sea state: Moderate, becoming slight later in north.
Weather: Mainly fair in north, rain or drizzle in south, fog patches later in south.
Visibility: Moderate or good, occasionally very poor later in south.

West Northern Section

In north

Wind: Easterly or northeasterly 2 to 4, increasing 4 to 6.
Sea state: Moderate, occasionally rough later in southwest and slight later in northeast.
Weather: Occasional drizzle, fog patches later in northwest.
Visibility: Moderate or good, occasionally very poor later in northwest.

In south

Wind: Easterly or northeasterly, becoming cyclonic later, 5 to 7.
Sea state: Moderate or rough.
Weather: Rain or drizzle, fog patches later.
Visibility: Moderate or good, occasionally very poor later.

East Central Section

Wind: Cyclonic, mainly southeasterly, 4 to 6, occasionally 3 in east and 7 later in far west.
Sea state: Moderate or rough.
Weather: Occasional rain, fog patches.
Visibility: Moderate or good, occasionally very poor.

West Central Section

Wind: Cyclonic 5 to 7.
Sea state: Moderate or rough, occasionally very rough later in southwest.
Weather: Rain or showers, fog patches in north.
Visibility: Moderate or good, occasionally poor, but very poor in north.

Denmark Strait

Wind: Variable, mainly northeasterly later, 4 or less, becoming northerly or northeasterly 3 to 5 for a time in far northeast.
Sea state: Slight or moderate.
Weather: Drizzle, fog banks, becoming extensive fog later.
Visibility: Poor or very poor, occasionally good at first.

North Iceland

In far southeast

Wind: Northerly or northeasterly 5 to 7, decreasing 2 to 4.
Sea state: Rough becoming moderate.
Weather: Rain or showers, fog patches.
Visibility: Moderate or good, occasionally very poor.

In rest of area

Wind: Variable 2 to 4, becoming northerly or northeasterly 3 to 5 except in southwest, becoming variable 2 to 4 later far northwest.
Sea state: Moderate in southeast, slight in northwest, occasionally smooth later in far northwest.
Weather: Drizzle, fog patches.
Visibility: Moderate or good, occasionally very poor.

Norwegian Basin

Wind: Variable 4 or less at first in east, otherwise northerly or northeasterly 4 to 6, increasing 7 later in southeast.
Sea state: Moderate or rough, occasionally slight at first in northeast.
Weather: Occasional rain then showers.
Visibility: Good, occasionally moderate at first.

Outlook for the following 24 hours

Gales are expected in Norwegian Basin.

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.