Your 5 day weather forecast:
http://www.thisisjersey.com/weather/
Current Wind Speed and Direction across Jersey:
Long range Wind, Swell and Rain forcasts at various sites across Jersey:
Another great site for Wind and Swell:
http://www.windguru.cz/int/index.php?sc=35643
Undercliff Guest House - Trinity
Harbour View Guest House - St Aubin's
Au Caprice Guest House - St Aubin's
The Royal Yacht Hotel - St Helier
Radisson Blu Hotel - St Helier
The Atlantic Hotel - St Ouen
Skyscanner.net - The best site for finding the cheapest flights to Jersey, on many airlines.
Condor Ferries - If you don't like to fly...or if there is a volcano...