UK Weather
Weather Forecasts
Met Office Inshore Waters Forecast
Met Office Shipping Forecast
Met Office High Seas Forecast
Met Office Navtex Extended Outlook
BBC Coast and Sea (lots of information and very good)
Meteo France
Vendee Weather
Meteo Consult
Passage Weather
US National Weather Service NOAA site (incredibly comprehensive worldwide)
MetVU– a Kiwi site which does worldwide forecast charts
ECMWF forecast (surface pressure, geostrophic wind)
Theyr.tv – great site from Iceland(sadly now chargeable)
Accuweather
Weatheronline
Metcheck
WindGuru
XC Weather – UK
XC Weather – France
Westwind (more choices in presentation)
Magic Seaweed (very good for animated wind and swell)
Irish Waters
Mediterranean Waters around Italy (Italian Site, very good)
Current data
Met Office Marine Observations
Marina Chichester Bar
Warsash Sailing Club weather station (very good) – gives current Hamble conditions
Cowes Weather (wonderful)
Brambles Bank
Calshot Light Buoy
Southampton Dock Head
Isle of Wight weather
Lymington Starting Platform
Hurst Castle
Poole Harbour (wonderful site)
Portland Harbour
XC Weather – Wind reports for southern UK and France
British Isles Weather Buoys
Burnham Yacht Harbour
Met Office synoptic charts
Met office coastal observations (like the Shipping Forecast) updated hourly