Current sea water temperature:
+34.9°F
| Minimum sea water temperature in April: | 37.8°F |
| Maximum sea water temperature in April: | 32.5°F |
| Average sea water temperature in April: | 34.5°F |
| more information | |
14 days
forecast
forecast
| Grand Marais |
monthly
weather
weather
| Grand Marais |
Sea water temperature for the last 10 days:
| April 26 | 34.9°F | April 21 | 33.8°F |
| April 25 | 35.1°F | April 20 | 35.1°F |
| April 24 | 35.2°F | April 19 | 34.3°F |
| April 23 | 34.3°F | April 18 | 34.3°F |
| April 22 | 34.2°F | April 17 | 34.7°F |
Monthly sea water temperature, °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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
39.7
44.7
52.6
59.3
59.9
51.8
40.5
36.5
34.5
34.1
35.1
37.2
Sea water temperature in August, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
40
45
50
55
60
65
70
75
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
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 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
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
40
44
48
52
56
60
64
68
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.
current
weather
weather
| Grand Marais |
weather in
April
April
| Grand Marais |
Best time for vacation in Grand Marais
Grand Marais on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Grand Marais
Local time: 10:23
April 26, saturday
1200
45°F
N
9 mph
9 mph
1500
43°F
N
6 mph
6 mph
1800
41°F
N
6 mph
6 mph
2100
37°F
E
4 mph
4 mph
April 27, sunday
0000
37°F
E
2 mph
2 mph
0300
37°F
W
2 mph
2 mph
0600
36°F
W
4 mph
4 mph
0900
36°F
NW
5 mph
5 mph
