Keweenaw Peninsula surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 7 am Saturday 06 Sep 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Keweenaw Peninsula surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keweenaw Peninsula sea temperature is
15.4° C
(Which is 1.1°C warmer than normal for this time of year)


How big are the waves at Keweenaw Peninsula today?

The current surf forecast for Keweenaw Peninsula at 10AM is: 1.3m 5s primary swell from a West-northwest direction (forecast issued at 07:00am September 06). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (06 Sep)5ft (1.5m)5s
Afternoon (06 Sep)--
Evening (06 Sep)2ft (0.6m)4s

Table - waves today at Keweenaw Peninsula. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Saturday
06
Sunday
07
Monday
08
Tue
09
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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 (?)
1.6
NW
1.5
WNW
1.3
WNW
0.9
WNW
0.8
WNW
0.6
NW
0.7
NNW
0.9
NNW
1
NNW
1
NNW
0.8
NNW
0.6
NW
0.5
W
0.6
W
0.6
W
0.5
W
0.5
W
0.4
WSW
0.4
WSW
0.6
SW
0.7
SW
0.8
SSW
0.7
S
0.8
S
Period(s) (?)555444444444344443345544
Wave
Graph
(?)Metric surfscale
Energy (?)154133800201211284242229000000000000
Wind
(km/h)
35
WNW
40
NW
30
WNW
30
WNW
25
W
20
NNW
20
NW
25
NNW
30
NNW
25
NW
20
NW
25
WNW
20
W
20
WSW
20
SSW
20
SW
25
SW
25
SW
25
SW
15
WSW
10
E
10
S
15
SSW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
offoffoffcross-
off
cross-
off
cross-
off
crosscross-
off
offoff
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
06
Sunday
07
Monday
08
Tue
09
Sunrise-7:16-------7:18-------7:20------
Sunset-----8:22-------8:21-------8:19--
light rain
cloud
cloud
clear
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
Rain (mm)
1-----------------------
Temp. °C111111131414131111111111121313131213151617181817
Feels °C (?)324679854555789878101315161614
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Lake Superior

  1. weather stationWind Update Still cross-shore at Keweenaw Peninsula (strong winds from the WNW at SHIP8376 17 km from Keweenaw Peninsula). not gfswave

    Keweenaw Peninsula
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17 km away, 1 h 17 min ago

48.24 km/h
WNW
9.5
15.4
Air / Water (°C)
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