... Storm surge flood and storm tide impacts...
storm surge in the Lower Keys is expected to range from 3 to 5 feet.
Upper and Middle Keys can expect 1 to 2 feet of storm surge.

... Wind impacts...
tropical storm force winds are expected to approach the Florida Keys
late Friday afternoon. Conditions will continue to deteriorate
Friday afternoon and Friday night.

... Marine impacts...
winds and seas will gradually increase this evening... as Hurricane
Dennis approaches. Therefore... small craft should remain in port
until the affects of Hurricane Dennis have passed. Tropical storm
force winds are expected to reach the Florida Straits early Friday
afternoon... and hurricane force winds are possible late Friday
night. Furthermore... shower activity will increase tonight with
increasing squalls expected Friday afternoon.

... Rainfall impacts...
the Florida Keys can expect to receive 4 to 6 inches of rainfall in
association with Hurricane Dennis.