World Resorts USA Sea Isle City Weather

Sea Isle City Sea Temperature in May

Average sea water temperature in May:
+57.0°F
Minimum sea water temperature in May: 66.2°F
Maximum sea water temperature in May: 50.4°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 56.6°F. The highest and lowest sea temperatures during the month were 60.3°F and 50.4°F.

Monthly sea water temperature in Sea Isle City, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Port St. Lucie 80.8°F 78.9°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
South Padre Island 79.1°F 80.0°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F

Best time for vacation in Sea Isle City

Sunniest months:
November 18 days
June 15 days
October 15 days
Warmest months:
July 81.1 °F
August 79.0 °F
June 75.2 °F
Warmest sea temp:
July 74.7 °F
August 74.5 °F
September 73.1 °F
Coldest months:
January 39.7 °F
February 41.5 °F
December 44.6 °F
Rainiest months:
July 3 days
October 2 days
April 2 days
Windiest months:
January 11.7 mph
March 11.7 mph
December 11.2 mph

Sea Isle City on a weather map

Sea Isle City
+63°F
N 16 mph
Feels like: +63°F
Precip.: 4%
Places in USA:
Name
°F
+61°F
+70°F
+79°F
+95°F
+91°F
+86°F
+77°F
+75°F
+68°F
+79°F
+66°F
+82°F
+77°F
+88°F
+72°F
24 Hours Forecast
Sea Isle City
Local time: 19:31
October 07, wednesday
2100
63°F
N
15 mph
October 08, thursday
0000
63°F
N
14 mph
0300
63°F
NE
14 mph
0600
63°F
NE
14 mph
0900
63°F
NE
12 mph
1200
68°F
E
11 mph
1500
72°F
SE
12 mph
1800
68°F
SE
7 mph
Units of measurement: °C / °F