Average sea water temperature in March:
+40.0°F
| Minimum sea water temperature in March: | 41.5°F |
| Maximum sea water temperature in March: | 38.1°F |
Daily sea water temperature in March, °F
Show year:
2024
2023
2022
The average sea water temperature in March of 2024 was 40.3°F. The highest and lowest sea temperatures during the month were 41.5°F and 39.4°F.
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| Portsmouth |
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Monthly sea water temperature in Portsmouth, °F
Which USA resorts have warmest sea in March?
| Place name | March 2024 | March 2023 |
|---|---|---|
| West Palm Beach | 76.6°F | 77.4°F |
| Kailua Kona | 76.5°F | 76.5°F |
| Key West | 76.5°F | 78.2°F |
| Miami Beach | 76.0°F | 77.2°F |
| Honolulu | 75.8°F | 76.4°F |
| Fort Lauderdale | 75.7°F | 77.1°F |
| Hawaii | 75.7°F | 76.2°F |
| Miami | 75.5°F | 76.8°F |
| Maui | 75.1°F | 75.5°F |
| Kauai | 74.5°F | 75.2°F |
| Oahu | 74.5°F | 75.3°F |
| Marco Island | 74.5°F | 76.5°F |
| Cape Coral | 74.2°F | 76.4°F |
| Naples | 73.8°F | 76.4°F |
| Port St. Lucie | 73.7°F | 74.5°F |
| St. Petersburg | 71.8°F | 73.6°F |
| Tampa | 71.7°F | 74.0°F |
| Cocoa Beach | 71.5°F | 73.5°F |
| Sarasota | 71.4°F | 74.2°F |
| Siesta Key | 71.3°F | 74.1°F |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 16:00
November 21, thursday
1800
45°F
SW
16 mph
16 mph
2100
45°F
SW
17 mph
17 mph
November 22, friday
0000
45°F
W
19 mph
19 mph
0300
45°F
W
23 mph
23 mph
0600
46°F
W
21 mph
21 mph
0900
48°F
N
14 mph
14 mph
1200
48°F
N
10 mph
10 mph
1500
48°F
NW
10 mph
10 mph
