World Resorts USA Green Bay Weather

Green Bay sea water temperature

Current sea water temperature:
+73.8°F
Minimum sea water temperature in August: 78.6°F
Maximum sea water temperature in August: 66.9°F
Average sea water temperature in August: 73.8°F

Sea water temperature for the last 10 days:

August 23 73.8°F August 18 76.8°F
August 22 74.3°F August 17 76.8°F
August 21 74.8°F August 16 76.1°F
August 20 75.7°F August 15 76.8°F
August 19 77.9°F August 14 78.3°F

When is the warmest sea in Green Bay?

Based on the data about daily sea water temperature for the last three years the warmest sea in Green Bay was noticed in July, August and June.

Monthly Sea Temperatures in Green Bay, °F

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 77.0°F. The highest and lowest sea temperatures during the month were 81.7°F and 73.2°F.

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 76.2°F. The highest and lowest sea temperatures during the month were 78.4°F and 73.8°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 69.7°F. The highest and lowest sea temperatures during the month were 73.0°F and 65.5°F.

Best time for vacation in Green Bay

Sunniest months:
July 14 days
August 14 days
September 13 days
Warmest months:
July 79.0 °F
August 77.5 °F
June 74.2 °F
Warmest sea temp:
July 75.2 °F
August 73.9 °F
June 68.2 °F
Coldest months:
January 23.7 °F
February 26.8 °F
December 30.2 °F
Rainiest months:
June 3 days
April 3 days
July 2 days
Windiest months:
April 11.0 mph
March 10.9 mph
November 10.9 mph

Green Bay on a weather map

Green Bay
+59°F
S 7 mph
Feels like: +57°F
Precip.: 5%
Places in USA:
Name
°F
+66°F
+68°F
+79°F
+95°F
+75°F
+81°F
+66°F
+79°F
+66°F
+73°F
+57°F
+70°F
+79°F
+81°F
+70°F
24 Hours Forecast
Green Bay
Local time: 23:58
August 24, monday
0000
59°F
S
7 mph
0300
54°F
SE
7 mph
0600
52°F
SE
7 mph
0900
61°F
SE
7 mph
1200
72°F
SE
8 mph
1500
75°F
S
6 mph
1800
75°F
S
4 mph
2100
64°F
N
10 mph
Units of measurement: °C / °F