Ontonagon surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 08 Jul 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Ontonagon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ontonagon sea temperature is
13.6° C
(Which is 5.4°C warmer than normal for this time of year)


How big are the waves at Ontonagon today?

The current surf forecast for Ontonagon at 1AM is: 0.2m 3s primary swell from a East-northeast direction (forecast issued at 07:00pm July 08). The wind direction is predicted to be glassy.

Updates in  hr  min  s Forecast update imminent
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wed
16
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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
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
ENE
0.4
ENE
0.3
ENE
0.2
ENE
0.3
E
0.3
ESE
0.4
SE
0.3
SSE
0.3
SSE
0.3
SE
0.3
ENE
0.3
ESE
0.2
NNW
0.2
NNW
0.4
WSW
0.5
W
0.6
WSW
0.7
WSW
0.8
WSW
0.8
WSW
0.7
WSW
0.7
WSW
0.7
WSW
0.7
SW
0.8
SW
0.8
SW
0.6
SW
0.6
SW
0.7
WSW
0.7
WSW
0.7
WSW
0.6
WSW
0.6
WSW
0.5
SW
0.5
SW
Period(s) (?)4443--------------333333-3323334444444444444444444----------
Wave
Graph
(?)Metric surfscale
Energy (?)753100000000000000100000010110000000000000000000000000000000
Wind
(km/h)
10
NNW
10
NNE
0
NE
5
W
5
NW
5
WNW
10
NW
10
NNW
10
N
5
NNE
5
SSE
10
SSE
10
S
10
SSE
5
SSE
10
NE
15
NE
10
E
10
SE
15
SSW
10
S
10
S
5
SW
0
WNW
10
NNE
5
S
10
SSE
10
S
5
E
0
S
20
W
20
W
15
WNW
5
SW
10
S
15
SSW
10
WSW
15
WSW
20
WSW
15
W
5
NW
15
S
15
S
15
SSW
15
SSW
20
S
20
SSW
15
W
5
SW
15
SW
15
WSW
15
W
10
WSW
15
WNW
20
NNW
10
NW
0
NNW
10
NNE
10
ENE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onglassglasscross-
on
glasscross-
on
cross-
on
onglassglasscross-
off
offcross-
off
glasscross-
on
cross-
on
crosscross-
off
offoffoffcross-
off
glasscross-
on
glasscross-
off
offglassglasscrosscrosscross-
on
glassoffcross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
offoffcross-
off
offoffoffcrosscross-
off
cross-
off
cross-
off
crosscross-
off
crosscross-
on
cross-
on
glassoncross-
on
cross-
off
High Tide
/ height (m)
n/a
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Low Tide
/ height (m)
n/a
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Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wed
16
Sunrise-----6:11-------6:11-------6:13-------6:13-------6:15-------6:16-------6:16------
Sunset-9:52-------9:52-------9:51-------9:51-------9:50-------9:49-------9:49-------9:47--
part cloudclearclearclearclearclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearpart cloudpart cloudlight raincloudlight rainlight rainlight raincloudcloudpart cloudclearclearclearcloudclearpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudthunderstorm thunderstorm thunderstorm thunderstorm cloudpart cloudclearclearclearclearcloudpart cloudpart cloud
Rain (mm)
-------------------------4-413-----------------13133---------
Temp. °C14119101010131415141313121321202021181818192425221921201918131614171715151518202223191918192123202118171413131415151312
Feels °C (?)13989891112141413121111211818201717192027282321232222201014121716131414151822221818171820232222181612119121413109
  • 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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