Grand Marias surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 6 pm Tuesday 27 Jan 2026 EST
Forecast update in hr  min  s Forecast update imminent
Grand Marias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grand Marias sea temperature is
0.9° C
(Which is 1.9°C colder than average for this time of year)


How big are the waves at Grand Marias today?

The current surf forecast for Grand Marias at 12AM is: 3.0m 8s primary swell from a West-northwest direction and 0.1m 8s secondary swell from a Northeast direction (forecast issued at 06:00pm January 27). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (EST) & DateWave HeightWave Period
Morning (28 Jan)6ft (1.9m)7s
Afternoon (28 Jan)5ft (1.5m)6s
Evening (28 Jan)4.5ft (1.4m)6s

Table - waves today at Grand Marias. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
0
0
!
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
NNW
2.5
NW
3
WNW
3
NW
2.4
NW
2
NW
1.7
NNW
1.6
NNW
1.4
NNW
1.6
NNW
1.4
N
1.2
NNE
0.9
NNE
0.9
NNE
0.8
NNE
0.8
NNE
0.7
NNE
0.9
NNE
1
NNE
1.1
NNE
1.1
NNE
1.3
N
1.3
N
1.4
N
Period(s) (?)888887766655544444555556
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7506819211060728423270216150165114704130242017314959619297121
Wind
(km/h)
35
NW
35
WNW
30
WNW
25
W
25
W
30
WNW
25
WNW
20
NNW
30
NW
25
NNW
20
N
20
NE
10
ESE
15
SE
15
SE
10
SE
10
ENE
10
NE
10
ENE
5
SE
0
SSW
15
N
20
NNE
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscrosscrosscrosscross-
on
oncross-
on
cross-
on
oncross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
glassononon
High Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sunrise------8:12-------8:11-------8:11-
Sunset5:39-------5:40-------5:43-------
light snow
cloud
cloud
light snow
cloud
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
snow showers
part cloud
cloud
light snow
light snow
light snow
light snow
light snow
cloud
light snow
Rain (mm)
------------------------
Temp. °C-8-8-8-10-10-9-8-9-9-9-10-12-15-18-18-14-13-13-15-17-17-15-11-9
Feels °C (?)-18-18-17-19-19-18-16-16-18-17-18-19-20-25-25-19-18-19-21-22-21-21-18-17
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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