Keweenaw Peninsula Surf Break

Lat Long: 47.46° N 88.18° W

Keweenaw Peninsula 48 hour detailed Surf Forecast

Issued: 7 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Keweenaw Peninsula sea temperature is
16.4°C
3.9° 

Keweenaw Peninsula surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Time (EDT) & DateWave HeightWave Period
Morning (18 Sep)--
Afternoon (18 Sep)1.5ft (0.5m)4s
Evening (18 Sep)--

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the NE by Sun morning).

Fri
18
Saturday
19
Sunday
20
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ENE
4
0.2
E
3
0.3
SE
3
0.3
SE
3
0.4
SE
3
0.4
SSE
4
0.3
SSE
4
0.3
SSE
4
0.2
SSE
4
0.2
SSE
4
0.2
SSE
4
0.2
SSE
4
0.4
NNE
3
0.8
NNE
4
0.8
NNE
4
0.6
NE
4
0.4
NE
4
0.3
NE
3
0.3
NE
2
Wave Graph
Metric surfscale
Energy kJ
3
1
0
0
0
0
0
0
0
0
0
0
3
17
24
14
3
2
1
Wind (km/h)
20
ESE
20
ESE
20
SE
20
SSE
15
SSE
15
SSE
15
SSE
10
S
5
SSE
10
SSE
5
SW
10
NW
20
NNE
30
NE
30
NE
30
NE
25
NE
20
NE
25
ENE
Wind State
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross
on
on
cross-on
cross-on
on
on
cross-on
High Tide
Low Tide
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
7:57
7:54
 mm
Temp °C
15
14
14
14
13
14
16
17
16
15
14
14
14
14
14
12
13
13
13
Feels °C
10
9
9
10
10
12
13
16
16
13
13
13
11
9
8
6
8
9
7
  • 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
How to use the Wavefinder 

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