Coast and Sea

High seas forecast and storm warnings

The general synopsis for UK

At 030000UTC, low 68 north 22 west 996 expected 70 north 16 west 1001 by 040000UTC. New lows expected 64 north 40 west 1006 and 68 north 05 west 1003 by same time. High 46 north 18 west 1033 expected 48 north 12 west with little change by that time. Low 64 north 10 east 1003 losing its identity

Issued at: 08:00 (UTC) on Fri 03 Jul 2026.

For the period 08:00 (UTC) on Fri 03 Jul 2026 to 08:00 (UTC) on Sat 04 Jul 2026.

High seas forecast and storm warnings map

High seas forecast and storm warnings explained

Sole

Wind: Variable 2 to 4.
Sea state: Moderate.
Weather: Mainly fair.
Visibility: Good, occasionally poor.

Shannon

Wind: West or southwest 4 to 6.
Sea state: Moderate or rough.
Weather: Occasional rain or drizzle, fog patches.
Visibility: Moderate or good, occasionally very poor.

Rockall

Wind: West or southwest 4 to 6.
Sea state: Moderate or rough.
Weather: Occasional rain or drizzle, fog patches.
Visibility: Moderate or good, occasionally very poor.

Bailey

Wind: Westerly or southwesterly 4 to 6.
Sea state: Moderate or rough.
Weather: Occasional rain or showers.
Visibility: Good, occasionally poor.

Faeroes

Wind: Westerly or southwesterly 4 to 6.
Sea state: Moderate or rough.
Weather: Occasional rain or showers.
Visibility: Good, occasionally poor.

Southeast Iceland

Wind: Westerly or southwesterly 4 to 6.
Sea state: Moderate or rough.
Weather: Occasional rain or showers.
Visibility: Good, occasionally poor.

East Northern Section

In area to the north of 63 north

Wind: Variable 2 to 4, becoming northwesterly 4 or 5 later in east.
Sea state: Moderate.
Weather: Showers at first.
Visibility: Good, occasionally moderate at first.

In area to the south of 63 north

Wind: Westerly or southwesterly 4 to 6, decreasing 2 or 3 later in west.
Sea state: Moderate or rough.
Weather: Rain or drizzle at times, fog patches in southwest.
Visibility: Moderate or good, becoming poor at times, but occasionally very poor in southwest.

West Northern Section

In northern half of the area

Wind: Cyclonic 3 to 5 becoming variable 2 to 4.
Sea state: Moderate.
Weather: Fog patches in far northwest.
Visibility: Moderate or good, occasionally very poor in far northwest.

In southern half of the area

Wind: Westerly or southwesterly 4 to 6 becoming variable 2 to 4.
Sea state: Moderate, occasionally rough at first.
Weather: Occasional rain, drizzle and fog banks, mainly in south and east.
Visibility: Mainly good in northwest, but elsewhere moderate to very poor.

East Central Section

In southeastern half of the area

Wind: Mainly variable 2 to 4, but southwesterly 4 to 6 in north.
Sea state: Mainly moderate, but becoming rough at times in far north.
Weather: Occasional rain in far north, but elsewhere mainly fair.
Visibility: Moderate or good, occasionally poor in far north.

In northwestern half of the area

Wind: Southerly or southwesterly 4 to 6.
Sea state: Moderate or rough in north, moderate throughout in south.
Weather: Rain or drizzle at times, fog patches.
Visibility: Moderate to very poor, occasionally good in south.

West Central Section

Wind: Variable 2 to 4 until later in north, otherwise cyclonic mainly southerly 4 to 6.
Sea state: Moderate or rough.
Weather: Rain at times, occasionally thundery, fog banks, perhaps extensive fog at times.
Visibility: Moderate to very poor.

Denmark Strait

In area to the west of 25 west

Wind: Variable 2 to 4.
Sea state: Slight or moderate.
Weather: Fog patches.
Visibility: Moderate or good, occasionally very poor.

In area to the east of 25 west

Wind: Cyclonic becoming northerly or northwesterly, 4 to 6.
Sea state: Slight or moderate.
Weather: Occasional rain or drizzle, with freezing rain at times in north, fog patches.
Visibility: Moderate or good, occasionally very poor.

North Iceland

Wind: Cyclonic 3 to 5, occasionally 6 later in west.
Sea state: Rough until later in far southeast, otherwise slight or moderate.
Weather: Rain at times, with some freezing rain in northwest, fog banks or extensive fog in northwest.
Visibility: Moderate to very poor in northwest, but in southeast, moderate or good occasionally poor.

Norwegian Basin

Wind: Cyclonic mainly northwesterly at first in east, otherwise southwesterly, 4 or 5, occasionally 6 in south and 3 in north.
Sea state: Slight or moderate at first in far northeast, otherwise moderate or rough.
Weather: Rain or drizzle at times.
Visibility: Moderate or good, occasionally poor.

Outlook for the following 24 hours

No gales expected.

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.