Here's the info from Denisea I've posted before...
I think there's a place to input your dates, last link...
Originally Posted by cuffedlinks
Here's a reply from a previous similar question:
Water temperatures vary little from the mid 80's April through September...to the upper 70's in the winter months.
to see temps for the Gulf of Mexico for Nov. 11th....To help, land masses are shaded grey. Looks to be either side of 80 for the PDC and Riviera Maya coast...
This information comes from a nice water temperature site originally linked to by our forum goddess, denisea ... Click HERE
for that site and information provided by Rutgers University Marine and Coastal Sciences.