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Keweenaw Peninsula surfForecast / Lake Superior / USA

information circle12 Day Weather and Surf, issued 1 pm Sunday 06 Jul 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
7.7° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Keweenaw Peninsula this week:

The most powerful waves expected at Keweenaw Peninsula in the next 12 days are 0.5m 4s and forecast to arrive on Saturday (Jul 12) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Friday (Jul 11) at 5PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sat 12th Jul)1.5ft (0.5m) 4s

Table - best surf conditions forecast for Keweenaw Peninsula over the next 12 days.

Hourly12 Days
Lake Superior Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Sun
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Fri
18
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
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
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
NE
—————
0.3
E
——————
0.3
SE
0.4
SE
0.5
SE
0.5
E
0.4
ESE
——————————————————
Period(s) (?)4-----3------34444------------------
Wave
Graph
(?)Metric surfscale
Energy (?)2000002000000000813000000000000000000
Wind
(km/h)
10
NNE
5
NNW
5
ENE
15
E
25
SE
20
SSE
20
W
10
WNW
10
WNW
10
W
10
WSW
5
NE
15
E
15
SE
5
ENE
20
ESE
15
SE
40
WSW
30
WSW
35
SW
35
WSW
25
WSW
15
SW
5
W
10
E
15
SSE
5
WNW
10
W
15
WSW
20
WSW
20
W
20
WNW
15
NW
15
W
15
WSW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		glasscrosscross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
on		cross-
on		cross-
off		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
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Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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n/a
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Sun
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Fri
18
Sunrise--6:03--6:03--6:05--6:05--6:05--6:07--6:07--6:09--6:09--6:11--6:11--6:13
Sunset9:51--9:51--9:50--9:50--9:49--9:49--9:47--9:46--9:45--9:45--9:45--9:44--
clearclearclearclearrain showersmod rainlight raincloudcloudpart cloudpart cloudpart cloudpart cloudclearpart cloudclearrain showersmod rainclearpart cloudrain showerspart cloudclearclearpart cloudclearpart cloudcloudlight rainpart cloudpart cloudpart cloudclearclearclearclear
Rain (mm)
----381---------57--2-------1-------
Temp. °C1215111516151489111110111517202012151515141717162018151411131311121212
Feels °C (?)1014101213141257999812181717698981617172018151289118989

Short Range Forecast: Moderate rain (total 12mm), heaviest on Tue morning. Very mild (max 16°C on Mon night, min 7°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Sat morning. Warm (max 20°C on Fri afternoon, min 9°C on Wed night). Winds increasing (calm on Wed night, strong winds from the WSW by Sat morning).

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Sun morning. Warm (max 20°C on Mon night, min 13°C on Sat night). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Mon afternoon).

Long Range Forecast: Some drizzle, heaviest during Tue night. Very mild (max 15°C on Tue afternoon, min 10°C on Wed morning). Wind will be generally light.

  • 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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Quick surf report for Keweenaw Peninsula:

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Keweenaw Peninsula surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Keweenaw Peninsula at:
surf-forecast.com

Information about the Keweenaw Peninsula Surf forecast

The above surf forecast table for Keweenaw Peninsula provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Keweenaw Peninsula can be found by selecting the local surf guide option on the grey menu. Our Keweenaw Peninsula surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Keweenaw Peninsula) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Keweenaw Peninsula may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Keweenaw Peninsula is 118 km (73 miles) from the city of Marquette. If you plan a vacation in Lake Superior, look for hotels and other accommodation in Marquette. Marquette has rooms for a wide range of budgets as well as car hire and transport links.

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