World Resorts USA Sea Isle City Weather

Sea Isle City Sea Temperature in January

Average sea water temperature in January:
+41.7°F
Minimum sea water temperature in January: 46.2°F
Maximum sea water temperature in January: 34.2°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 39.0°F. The highest and lowest sea temperatures during the month were 41.0°F and 34.2°F.

Monthly sea water temperature in Sea Isle City, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Kailua Kona 78.3°F 78.2°F
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°F
Maui 77.0°F 76.9°F
Kauai 77.0°F 75.0°F
West Palm Beach 76.6°F 75.5°F
Oahu 76.1°F 76.5°F
Fort Lauderdale 75.9°F 75.1°F
Miami Beach 74.0°F 73.1°F
Key West 72.5°F 70.3°F
Miami 71.2°F 70.7°F
Everglades 70.8°F 68.6°F
South Padre Island 69.5°F 66.7°F
Naples 67.7°F 64.7°F
Cape Coral 67.3°F 64.3°F
Cocoa Beach 66.9°F 60.9°F
Siesta Key 65.0°F 61.5°F
Sarasota 65.0°F 61.2°F
Orlando 64.8°F 59.8°F
Tampa 64.3°F 60.4°F

Best time for vacation in Sea Isle City

Sunniest months:
November 18 days
September 15 days
October 15 days
Warmest months:
July 81.1 °F
August 78.9 °F
June 75.0 °F
Warmest sea temp:
July 74.7 °F
August 74.3 °F
September 72.9 °F
Coldest months:
January 39.7 °F
February 41.5 °F
December 44.6 °F
Rainiest months:
July 3 days
March 3 days
April 3 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
+37°F
NW 5 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+75°F
+39°F
24 Hours Forecast
Sea Isle City
Local time: 19:02
March 18, wednesday
2100
34°F
NW
7 mph
March 19, thursday
0000
34°F
NW
7 mph
0300
34°F
NW
6 mph
0600
36°F
NW
5 mph
0900
37°F
NW
6 mph
1200
43°F
NW
6 mph
1500
43°F
N
7 mph
1800
43°F
NW
9 mph
Units of measurement: °C / °F