Keweenaw Peninsula surfForecast / Lake Superior / USA

information circle16 Day Weather and Surf, issued 7 pm Wednesday 22 Apr 2026 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
1.1° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Keweenaw Peninsula this week:

The surf forecast for Keweenaw Peninsula over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 23) at 8PM. The primary swell is predicted to be 3.0m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Keweenaw Peninsula in the next 16 days are 3.5m 9s and forecast to arrive on Friday (Apr 24) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Friday (Apr 24) at 5PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 23rd Apr)10ft (3.0m) 8s
Best Surf 8PM (Thu 23rd Apr)10ft (3.0m) 8s
Most Powerful 5AM (Fri 24th Apr)11ft (3.5m) 9s

Table - best surf conditions forecast for Keweenaw Peninsula over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 20mm), heaviest during Thu night. Very mild (max 12°C on Thu afternoon, min 3°C on Fri night). Winds decreasing (strong winds from the SE on Fri morning, light winds from the WNW by Sat morning).

Days 5-7 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Mild temperatures (max 9°C on Mon night, min 4°C on Sat night). Winds increasing (calm on Sat night, near gales from the W by Tue afternoon).

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wed
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
1
!
!
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1
ESE
5
1.9
ESE
6
2.5
ESE
8
3.5
ESE
9
3.5
ESE
9
3
SE
9
1.5
ESE
8
0.8
ESE
6
0.4
ESE
6
0.2
ESE
4
0.3
ESE
3
0.8
ESE
4
1.6
ESE
6
2.5
ESE
8
1.2
NW
5
1.2
W
5
Wave Graph
Metric surfscale
Energy kJ
45
290
740
2039
2031
0
285
51
12
2
0
0
2
0
0
890
66
0
0
0
0
Wind (km/h)
20
SE
35
SE
35
SE
40
SE
45
SE
15
WSW
15
WNW
10
WNW
10
WSW
15
SE
10
ESE
15
ESE
15
ESE
30
ESE
40
ESE
40
ESE
40
W
50
W
25
WSW
25
SSW
20
WSW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
Low Tide
part cloud
part cloud
part cloud
rain showers
light rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
mod rain
mod rain
light rain
clear
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:46
6:45
6:43
6:41
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:51
8:52
8:53
8:54
8:57
8:58
8:59
9:00
12
3
5
8
7
2
5
Temp °C
8
9
12
11
7
7
4
4
6
6
7
7
6
7
8
9
7
5
6
9
7
0
2
7
4
-4
3
-1
0
3
3
4
3
2
0
0
0
3
-7
-3
2
1
Swell 1
Height (m)
Direction
Period (s)
1.5
ESE
8
0.8
ESE
6
0.4
ESE
6
0.1
SW
4
1.1
SE
8
0.4
SE
7
Energy kJ
285
51
12
1
151
12
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
4
0.2
ESE
4
0.4
ENE
5
Energy kJ
1
2
10
Swell 3
Height (m)
Direction
Period (s)
0.2
S
5
Energy kJ
2
Wind waves
Height (m)
Direction
Period (s)
1
ESE
5
1.9
ESE
6
2.5
ESE
8
3.5
ESE
9
3.5
ESE
9
3
SE
9
0.7
NE
4
0.4
WNW
3
0.4
W
4
0.3
ESE
3
0.8
ESE
4
1.6
ESE
6
2.5
ESE
8
1.2
NW
5
1.2
W
5
Energy kJ
45
290
740
2039
2031
1321
17
5
5
2
20
162
890
66
67
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
Distance (km)
1389
1384
106
106
1686
1855
130
1855
1701
1382
1375
1374
1384
1998
2641
1993
176
1698
1452
1387
1382
Best forecast wave conditions in Lake Superior
Rating
(10 max)
2
2
1
2
Best forecast wave conditions in United States
Rating
(10 max)
2
3
3
3
3
3
1
3
2
1
3
2
2
2
2
2
2
2
2
3
4
Header Global
Rating
(10 max)
5
5
5
5
5
9
5
4
4
4
4
6
8
5
7
5
5
9
9
5
8
  • 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
submit an eyeball surf report

Quick surf report for Keweenaw Peninsula:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

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.


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 16 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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest