World Resorts USA Nantucket Weather

Nantucket Sea Temperature in April

Average sea water temperature in April:
+45.8°F
Minimum sea water temperature in April: 50.7°F
Maximum sea water temperature in April: 40.6°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 45.1°F. The highest and lowest sea temperatures during the month were 50.7°F and 42.6°F.

Monthly sea water temperature in Nantucket, °F

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.8°F 78.0°F
Key Largo 78.5°F 77.3°F
West Palm Beach 78.3°F 77.5°F
Miami Beach 78.3°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 78.0°F 76.9°F
Key West 78.0°F 77.6°F
Miami 77.9°F 76.9°F
Honolulu 77.4°F 76.2°F
Hawaii 77.3°F 76.1°F
Marco Island 77.3°F 76.6°F
Cape Coral 77.2°F 76.3°F
Naples 77.0°F 76.3°F
Kahului 76.8°F 75.6°F
Tampa 76.6°F 74.1°F
Maui 76.6°F 75.4°F
Oahu 76.4°F 75.0°F
St. Petersburg 76.3°F 74.2°F
Sarasota 76.0°F 74.3°F
Siesta Key 75.7°F 74.3°F

Best time for vacation in Nantucket

Sunniest months:
October 13 days
June 13 days
September 13 days
Warmest months:
August 70.9 °F
July 70.6 °F
September 67.1 °F
Warmest sea temp:
August 72.0 °F
July 70.1 °F
September 68.5 °F
Coldest months:
February 36.1 °F
January 36.4 °F
March 40.7 °F
Rainiest months:
October 4 days
January 3 days
December 3 days
Windiest months:
January 19.0 mph
March 19.0 mph
December 18.9 mph

Nantucket on a weather map

Nantucket
+45°F
E 26 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+72°F
+72°F
+73°F
+66°F
+82°F
+75°F
+64°F
+48°F
+66°F
+54°F
+84°F
+86°F
+57°F
+43°F
24 Hours Forecast
Nantucket
Local time: 11:09
April 06, monday
1200
45°F
E
26 mph
1500
45°F
E
29 mph
1800
46°F
E
22 mph
2100
45°F
E
17 mph
April 07, tuesday
0000
43°F
SE
16 mph
0300
43°F
SE
15 mph
0600
43°F
SE
11 mph
0900
41°F
E
6 mph
Units of measurement: °C / °F