Ontonagon Surf Break
Lat Long: 46.89° N 89.30° W

Ontonagon 48 hour detailed Surf Forecast

Weather Forecast for Ontonagon

Issued: 7 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

Today's Ontonagon sea temperature is
7.5° C

3.6°C warmer than normal for this time of year

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


How big are the waves at Ontonagon today (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 0.5ft (0.2m), 5s period with E swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 0.5ft (0.2m), 5s period with E swell.
  • Evening surf: Evening surf (09 Jun, local time) - 1ft (0.3m), 2s period with ENE swell.

The current surf forecast for Ontonagon at 4AM is: 0.2m 5s primary swell from a East direction (forecast issued at 07:00pm June 08). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Jun)0.5ft (0.2m)5s
Afternoon (09 Jun)0.5ft (0.2m)5s
Evening (09 Jun)1ft (0.3m)2s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 26mm), heaviest during Wed night. Warm (max 27°C on Wed afternoon, min 16°C on Tue night). Wind will be generally light.

Mon
8
Tuesday
9
Wednesday
10
Thu
11
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
2 AM
5 AM
8 AM
11 AM
2 PM
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
E
3
0.3
E
3
0.2
ESE
4
0.2
E
5
0.2
E
5
0.2
E
5
0.2
E
5
0.1
E
5
0.2
E
5
0.3
ENE
3
0.3
E
3
0.3
E
3
0.4
ESE
3
0.5
E
4
0.7
E
4
0.8
E
4
0.9
ESE
5
0.6
E
5
0.4
E
6
0.3
E
6
0.2
E
5
0.1
E
5
1.6
SW
6
Wave Graph
Metric surfscale
Energy kJ
0
1
2
2
2
2
2
2
1
2
2
2
1
0
0
0
0
0
20
10
5
2
1
0
Wind (km/h)
20
S
10
SSW
15
SSE
15
SE
5
ESE
5
ESE
10
NNE
15
NE
15
NNE
15
ENE
10
ESE
10
SE
15
ESE
15
SSE
20
SE
20
SSW
15
SSW
20
S
20
SSW
20
WSW
15
WSW
15
WSW
10
W
15
SSW
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
Low Tide
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:49
9:50
9:50
9:51
 mm
1
2
3
4
1
1
1
1
5
3
3
1
Temp °C
23
19
19
18
18
18
18
19
18
18
16
16
17
18
20
23
27
23
22
17
16
16
19
16
Feels °C
23
19
20
18
20
19
18
18
16
17
16
16
17
18
19
24
29
24
23
15
15
14
18
15
Swell 1
Height (m)
Direction
Period (s)
0.3
E
3
0.2
ESE
4
0.2
E
5
0.2
E
5
0.2
E
5
0.2
E
5
0.1
E
5
0.2
E
5
0.6
E
5
0.4
E
6
0.3
E
6
0.2
E
5
0.1
E
5
Energy kJ
2
2
2
2
2
2
1
2
20
10
5
2
1
Swell 2
Height (m)
Direction
Period (s)
0.1
W
7
Energy kJ
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
5
0.1
E
5
Energy kJ
1
1
Wind waves
Height (m)
Direction
Period (s)
0.3
E
3
0.2
E
3
0.3
ENE
3
0.3
E
3
0.3
E
3
0.4
ESE
3
0.5
E
4
0.7
E
4
0.8
E
4
0.9
ESE
5
0.9
SE
5
1.1
SSW
5
1.4
SW
6
1.6
SW
6
1.6
SW
6
1.6
SW
6
Energy kJ
1
1
2
2
1
3
7
15
25
40
37
61
119
165
196
193
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
4
4
1
1
1
1
1
1
2
1
4
1
1
2
1
1
2
Distance (km)
1569
1622
1937
1717
1455
1486
1486
2803
2803
2014
1520
1518
1520
1520
1721
2624
2839
2855
552
1520
1462
1428
1423
1451
Best forecast wave conditions in Lake Superior
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
2
4
4
4
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
9
9
8
7
6
5
5
5
5
5
4
7
8
8
9
9
9
7
6
8
6
6
5
  • 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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