Weather and tides
The UK Hydrographic Office provide information on tides via their Admiralty Easy Tide service.
The Met Office provide information on the shipping forecast and gale warnings, as well as marine observations.
The MCA publish information for mariners about Maritime Safety Information (MSIs) and NAVTEX. Please see links below:
Maritime Safety Information
Information
about MSI broadcast times and areas (PDF 510 KB).
NAVTEX
Weather
Forecasts by NAVTEX (PDF 1.03 MB).