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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