Average sea water temperature in March:
+71.1°F
| Minimum sea water temperature in March: | 78.3°F |
| Maximum sea water temperature in March: | 63.9°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 70.4°F. The highest and lowest sea temperatures during the month were 73.8°F and 65.3°F.
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| Siesta Key |
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Monthly sea water temperature in Siesta Key, °F
Which USA resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Everglades | 78.2°F | 74.4°F |
| Key West | 77.1°F | 74.5°F |
| Kailua Kona | 77.1°F | 77.7°F |
| West Palm Beach | 76.9°F | 75.8°F |
| Miami Beach | 76.8°F | 75.3°F |
| Honolulu | 76.8°F | 76.8°F |
| Kauai | 76.7°F | 75.0°F |
| Hawaii | 76.6°F | 76.7°F |
| Fort Lauderdale | 76.4°F | 75.8°F |
| Miami | 76.4°F | 74.4°F |
| Maui | 75.4°F | 76.0°F |
| Cape Coral | 74.8°F | 71.7°F |
| Oahu | 74.8°F | 75.7°F |
| Naples | 72.8°F | 71.4°F |
| South Padre Island | 72.6°F | 66.8°F |
| Tampa | 72.2°F | 69.3°F |
| Cocoa Beach | 72.1°F | 70.0°F |
| Corpus Christi | 72.1°F | 67.0°F |
| St. Petersburg | 71.7°F | 68.8°F |
| Sarasota | 70.9°F | 68.6°F |
Best time for vacation in Siesta Key
Siesta Key on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Siesta Key
Local time: 08:06
March 18, wednesday
0900
50°F
SW
14 mph
14 mph
1200
64°F
SW
11 mph
11 mph
1500
73°F
S
7 mph
7 mph
1800
70°F
S
12 mph
12 mph
2100
64°F
SW
13 mph
13 mph
March 19, thursday
0000
59°F
SW
15 mph
15 mph
0300
57°F
SW
13 mph
13 mph
0600
54°F
SW
14 mph
14 mph
