Average sea water temperature in April:
+45.1°F
| Minimum sea water temperature in April: | 49.5°F |
| Maximum sea water temperature in April: | 39.4°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 43.2°F. The highest and lowest sea temperatures during the month were 46.4°F and 39.4°F.
Monthly sea water temperature in Groton, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Key Largo | 78.2°F | 78.5°F |
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.2°F | 78.0°F |
| Fort Lauderdale | 78.1°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Kailua Kona | 77.6°F | 78.1°F |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Cape Coral | 76.4°F | 77.2°F |
| Port St. Lucie | 76.4°F | 74.9°F |
| Hawaii | 76.2°F | 77.3°F |
| Maui | 75.9°F | 76.6°F |
| Kauai | 75.9°F | 74.9°F |
| Naples | 75.8°F | 77.0°F |
| Tampa | 75.3°F | 76.6°F |
| Cocoa Beach | 75.0°F | 75.1°F |
| Corpus Christi | 75.0°F | 74.7°F |
| Oahu | 74.9°F | 76.4°F |
| Clearwater Beach | 74.7°F | 75.6°F |
| Galveston | 74.7°F | 73.8°F |
Best time for vacation in Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 13:29
October 29, thursday
1500
61°F
NE
13 mph
13 mph
1800
61°F
NE
16 mph
16 mph
2100
59°F
NE
15 mph
15 mph
October 30, friday
0000
61°F
NE
15 mph
15 mph
0300
61°F
NE
17 mph
17 mph
0600
59°F
E
15 mph
15 mph
0900
61°F
E
13 mph
13 mph
1200
64°F
SE
11 mph
11 mph
