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Marine weather

In the UK, the Maritime and 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. This includes Navigation Warnings.

The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.

Marine forecasts for printing and low-bandwidth devices (such as mobile phones)

Latest marine observations

Includes current hours observations. Updated hourly.

Latest marine observations

Shipping forecast/Gale warnings

Includes gale warnings in force, a general synopsis and area forecasts. Updated four times a day.

Shipping forecast/Gale warnings

Inshore waters/strong winds

Includes strong coastal winds, coastal forecasts and an outlook. Updated four times a day.

Inshore waters/strong winds

High seas/storm warnings

Includes storm warnings in force, coastal forecasts and an outlook for the next few days. Updated twice a day.

High seas/storm warnings

Extended Outlook

Extended outlook for sea areas starting 48 hours ahead. Updated once a day.

Extended Outlook

Surface pressure forecast

These charts of surface pressure, from analysis (T+0) to the 84-hour forecast (T+84) are produced daily around 0730 UTC.

Surface pressure forecast

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.