World Resorts USA Grand Marais Weather

Grand Marais sea water temperature

Current sea water temperature:
+39.9°F
Minimum sea water temperature in December: 43.9°F
Maximum sea water temperature in December: 37.6°F
Average sea water temperature in December: 39.7°F

Sea water temperature for the last 10 days:

December 22 39.9°F December 17 40.5°F
December 21 39.7°F December 16 40.6°F
December 20 40.1°F December 15 40.8°F
December 19 40.3°F December 14 39.9°F
December 18 40.3°F December 13 40.3°F

When is the warmest sea in Grand Marais?

Based on the data about daily sea water temperature for the last three years the warmest sea in Grand Marais was noticed in August, September and October.

Monthly Sea Temperatures in Grand Marais, °F

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 62.3°F. The highest and lowest sea temperatures during the month were 66.0°F and 56.7°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 63.6°F. The highest and lowest sea temperatures during the month were 66.4°F and 61.5°F.

Sea water temperature in October, °F

Show year:
2024
2023
2022

The average sea water temperature in October of 2024 was 50.9°F. The highest and lowest sea temperatures during the month were 63.9°F and 45.0°F.

Best time for vacation in Grand Marais

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
August 68.2 °F
July 67.0 °F
September 62.6 °F
Warmest sea temp:
August 60.0 °F
September 59.3 °F
October 52.6 °F
Coldest months:
February 19.0 °F
January 20.1 °F
December 26.1 °F
Rainiest months:
August 4 days
April 2 days
June 2 days
Windiest months:
April 9.9 mph
November 9.9 mph
December 9.9 mph

Grand Marais on a weather map

Grand Marais
+21°F
N 11 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Grand Marais
Local time: 02:54
December 22, sunday
0300
21°F
N
11 mph
0600
21°F
N
13 mph
0900
23°F
N
14 mph
1200
27°F
N
13 mph
1500
27°F
N
11 mph
1800
25°F
N
11 mph
2100
27°F
NE
11 mph
December 23, monday
0000
27°F
NE
9 mph
Units of measurement: °C / °F