Grand Marias surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 14 Mar 2026 EDT
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
0.1° 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 6PM is: 0.1m 4s primary swell from a Northwest direction (forecast issued at 01:00pm March 14). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (14 Mar)2.5ft (0.7m)5s
Afternoon (14 Mar)0.5ft (0.2m)4s
Evening (14 Mar)--

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


Updates in  hr  min  s Forecast update imminent
Saturday
14
Sunday
15
Monday
16
Tuesday
17
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
N
0.3
NNW
0.2
NNW
0.2
SSW
0.4
SSE
0.6
SSE
0.8
SE
1.1
ESE
1.7
E
2.2
ENE
3
NE
3.5
NE
4
NE
4
NNE
4.5
NNE
5
NNE
5.5
N
5.5
N
5.5
N
6
N
5.5
NNW
5
NNW
4
NNW
3.5
NNW
Period(s) (?)544334456677889910101010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11310000003687731239178722763053399058616628654970626143471631121996
Wind
(km/h)
5
N
5
W
0
S
15
SE
20
SSE
15
SE
20
ESE
35
E
45
E
55
ENE
45
ENE
55
NE
60
NE
65
NE
65
NE
60
NNE
60
N
55
N
55
N
55
N
55
N
45
NNW
40
NNW
40
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassglasscross-
off
offcross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononononononcross-
on
cross-
on
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
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise-------7:58-------7:56-------7:54
Sunset--7:47-------7:49-------7:50-----
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light snow
light snow
mod snow
light snow
mod snow
mod snow
light snow
heavy snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
cloud
Rain (mm)
------------------------
Temp. °C-4-2-1-2-4-4-3-2-3-3-2-2-3-5-6-8-9-10-10-10-9-9-9-10
Feels °C (?)-8-6-4-7-10-10-10-11-14-16-13-15-17-21-22-23-24-24-24-24-23-21-20-21
  • 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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