Current Sea Water Temperature:
+32.6°F
| Maximum Sea Water Temperature in April: | 36.4°F |
| Minimum Sea Water Temperature in April: | 30.6°F |
| Average water temperature in April: | 32.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 12 | 32.6°F | April 07 | 32.0°F |
| April 11 | 32.0°F | April 06 | 32.0°F |
| April 10 | 31.8°F | April 05 | 31.6°F |
| April 09 | 31.8°F | April 04 | 32.0°F |
| April 08 | 32.2°F | April 03 | 32.0°F |
When is the Warmest Sea for Grand Marais?
According to our data for the last three years for Grand Marais the highest average sea water temperature was in August, September and October.
Average Water Temperature by Month, °F
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
10
20
30
40
50
60
70
80
38.5
44.1
52.8
60.3
61
52
39.5
34.9
32.8
32.3
33.4
35.7
Sea Water Temperature in August
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
39
44
49
54
59
64
69
74
The average sea surface temperature in August 2024 for Grand Marais was 63.7°F. The maximum and minimum values were 57.4°F and 67.8°F respectively.
Sea Water Temperature in September
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
45
49
53
57
61
65
69
73
The average sea surface temperature in September 2024 for Grand Marais was 65.2°F. The maximum and minimum values were 62.8°F and 68.2°F respectively.
Sea Water Temperature in October
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
40
45
50
55
60
65
70
The average sea surface temperature in October 2024 for Grand Marais was 51.0°F. The maximum and minimum values were 44.4°F and 65.4°F respectively.
USA Resorts:
NAME
F°
| Boston |  |
+36 |
| Chicago |  |
+54 |
| Hawaii | |
+80 |
| Honolulu | |
+80 |
| Houston |  |
+86 |
| Las Vegas |  |
+96 |
| Los Angeles | |
+76 |
| Miami | |
+86 |
| New York | |
+36 |
| Orlando | |
+80 |
| San Diego | |
+68 |
| San Francisco | |
+60 |
| Sarasota | |
+76 |
| Tampa | |
+80 |
| Washington | |
+52 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Grand Marais
Local time: 18:09
12 apr, saturday
| 2100 |  |
34°F | S 2 mph |
13 apr, sunday
| 0000 | |
36°F | S 3 mph |
| 0300 |  |
36°F | S 4 mph |
| 0600 | |
34°F | SW 6 mph |
| 0900 | |
40°F | W 6 mph |
| 1200 | |
46°F | SW 9 mph |
| 1500 |  |
48°F | SW 7 mph |
| 1800 | |
44°F | SW 8 mph |