Average sea water temperature in March:
+40.5°F
| Minimum sea water temperature in March: | 44.6°F |
| Maximum sea water temperature in March: | 36.1°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 40.0°F. The highest and lowest sea temperatures during the month were 43.7°F and 36.1°F.
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Monthly sea water temperature in Nantucket, °F
Which USA resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Everglades | 77.4°F | 74.4°F |
| Kailua Kona | 77.2°F | 77.7°F |
| West Palm Beach | 77.1°F | 75.8°F |
| Key Largo | 76.8°F | 75.1°F |
| Miami Beach | 76.8°F | 75.3°F |
| Honolulu | 76.7°F | 76.8°F |
| Fort Lauderdale | 76.6°F | 75.8°F |
| Hawaii | 76.5°F | 76.7°F |
| Kauai | 76.5°F | 75.0°F |
| Key West | 76.5°F | 74.5°F |
| Miami | 76.0°F | 74.4°F |
| Kahului | 75.7°F | 76.3°F |
| Maui | 75.5°F | 76.0°F |
| Oahu | 74.9°F | 75.7°F |
| Cape Coral | 73.9°F | 71.7°F |
| Marco Island | 73.5°F | 71.8°F |
| Naples | 72.6°F | 71.4°F |
| Corpus Christi | 71.9°F | 67.0°F |
| Tampa | 71.7°F | 69.3°F |
| Cocoa Beach | 71.7°F | 70.0°F |
Best time for vacation in Nantucket
Nantucket on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Nantucket
Local time: 11:08
April 06, monday
1200
45°F
E
26 mph
26 mph
1500
45°F
E
29 mph
29 mph
1800
46°F
E
22 mph
22 mph
2100
45°F
E
17 mph
17 mph
April 07, tuesday
0000
43°F
SE
16 mph
16 mph
0300
43°F
SE
15 mph
15 mph
0600
43°F
SE
11 mph
11 mph
0900
41°F
E
6 mph
6 mph
