Here's where I get my e-mailed updates:

http://www.palmbeachpost.com/storm/content/storm/email/index.html

The closest National Data Buoy (Station 42056 - Yucatan Basin):

http://www.ndbc.noaa.gov/station_page.php?station=42056

Zoom right in on AC and see the satellite weather patterns over the island:

http://weather.msfc.nasa.gov/GOES/goeseastconusir.html

National Hurrican Center Tropical Prediction Center:

http://www.nhc.noaa.gov/

Weather Underground Tropical Weather:

http://www.wunderground.com/tropical/

Hurricane Tracking Chart from NOAA:

http://www.nhc.noaa.gov/AT_Track_chart2.pdf

Please let me know if you have any other good sources for alerts and tracking.

Cheers,

Simon...