Average Coastal Water Temperatures for the Southeast
| Location |
JAN |
FEB |
MAR |
APR |
APR |
MAY |
MAY |
JUN |
JUN |
JUL |
JUL |
AUG |
AUG |
SEP |
SEP |
OCT |
OCT |
NOV |
DEC |
| 1-15 |
16-30 |
1-15 |
16-31 |
1-15 |
16-30 |
1-15 |
16-31 |
1-15 |
16-31 |
1-15 |
16-30 |
1-15 |
16-31 |
| Dauphin Island AL(DPIA1) |
51 |
53 |
60 |
70 |
70 |
75 |
75 |
82 |
82 |
84 |
84 |
84 |
84 |
80 |
80 |
72 |
72 |
62 |
56 |
| Cedar Key FL(CDRF1) |
58 |
60 |
66 |
73 |
73 |
80 |
80 |
84 |
84 |
86 |
86 |
86 |
86 |
83 |
83 |
76 |
76 |
66 |
60 |
| Daytona Beach FL (41009) |
61 |
59 |
65 |
70 |
73 |
75 |
78 |
79 |
80 |
80 |
80 |
80 |
81 |
83 |
82 |
79 |
76 |
71 |
65 |
| Fernandina Beach FL |
55 |
55 |
62 |
68 |
72 |
75 |
78 |
81 |
81 |
83 |
84 |
84 |
84 |
83 |
81 |
76 |
72 |
66 |
58 |
| Jacksonville Beach FL |
57 |
56 |
61 |
68 |
71 |
74 |
77 |
80 |
81 |
83 |
84 |
83 |
83 |
83 |
82 |
78 |
72 |
67 |
60 |
| Key West FL |
69 |
70 |
75 |
79 |
79 |
82 |
83 |
86 |
86 |
87 |
87 |
87 |
87 |
86 |
86 |
83 |
80 |
76 |
72 |
| Key West FL(MLRF1) |
69 |
70 |
75 |
78 |
78 |
82 |
82 |
85 |
85 |
87 |
87 |
87 |
87 |
86 |
86 |
82 |
82 |
76 |
72 |
| Miami Beach FL |
71 |
73 |
75 |
78 |
78 |
80 |
81 |
84 |
85 |
86 |
86 |
86 |
84 |
84 |
83 |
83 |
79 |
76 |
73 |
| Naples FL |
66 |
66 |
71 |
77 |
77 |
82 |
82 |
86 |
86 |
87 |
87 |
|