Hi Lisa,
I am new to this board too (my first post), live southeast of Houston, and have a trip planned to Cozumel the first week of December. I figure we'll know more about the results of the hurricane in the next week or two. I'm not giving up hope yet. On the other hand, when Rita was advancing, I evacuated with my dive gear as well as camping gear, food, water and 9 days worth of clothing. I always hope to dive....
In the meantime, local dive club, Lunarfins is scheduling an afternoon of diving at Twin Lakes in Manvel (19230 Morris Avenue [Highway 6] about 1.8 miles east of Hwy 288). The park has a shop for tank rental and air fills, but no weights. Plan to arrive about 2:00 p.m. for diving before a cookout at lakeside. Bring food, charcoal and drinks. Entry fees are $12 for divers.