Surf Forecast Surf Report
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Surf Forecasts

Ontonagon surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 1 am Thursday 01 May 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
2.0° C
 (Which is normal for this time of year)

How big are the waves at Ontonagon today?

The current surf forecast for Ontonagon at 8AM is: 0.1m 5s primary swell from a East direction (forecast issued at 01:00am May 01). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (01 May)--
Afternoon (01 May)1.5ft (0.4m)2s
Evening (01 May)3.5ft (1.0m)5s

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

Hourly12 Days
Lake Superior Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
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
See all maps
Wave Height (m) & direction (?)
0.4
ESE
0.2
E
0.2
E
0.1
E
0.1
E
0.2
ENE
0.6
NE
0.9
ENE
1.2
NE
1.4
NE
1.3
NE
1.1
NE
0.5
E
0.6
ENE
0.4
ENE
0.4
NE
0.2
ENE
0.1
NE
0.1
E
0.1
E
0.4
SW
0.6
SW
0.8
SW
0.6
SW
0.6
WSW
0.5
W
0.3
NNW
0.3
NE
0.3
ENE
0.4
ENE
0.4
ENE
0.4
ENE
0.5
E
0.5
ESE
0.1
E
0.1
E
0.1
E
0.1
E
0.5
SSW
0.6
S
0.7
S
0.7
SSW
0.6
SW
0.5
W
0.4
NW
0.4
N
0.3
NE
0.4
ENE
0.4
E
0.5
E
——————————
Period(s) (?)44552245566666655444344444323344444444444444333334----------
Wave
Graph
(?)Metric surfscale
Energy (?)622000103776114120103202613721000000002124456000000000074313360000000000
Wind
(km/h)
15
S
20
SSE
15
SSE
10
SSE
10
ESE
10
E
10
ENE
15
E
15
ESE
15
E
25
ENE
25
NE
25
NE
20
NE
20
NE
15
NE
10
NE
5
NE
0
W
5
NW
10
NW
10
WNW
5
WNW
5
WSW
10
S
10
S
10
S
5
S
5
WSW
10
N
10
NE
10
ENE
15
SE
15
SSE
10
S
10
S
5
WSW
5
NNW
10
NE
5
NE
15
SSE
15
SSW
10
SSW
10
SSW
10
SW
10
NW
15
NW
15
NE
20
NE
15
NE
15
NE
15
NE
15
NE
15
NNE
15
NNE
10
NNE
0
NNW
5
SW
5
NW
0
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off		cross-
off		crosscrosscrosscross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glassglassglasscross-
on		cross-
on		crossglassoffoffoffoffglassoncross-
on		crosscross-
off		cross-
off		offoffglassoncross-
on		cross-
on		cross-
off		offoffcross-
off		cross-
off		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onglassglassglassglass
High Tide
/ height (m)
n/a
n/a
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Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
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Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Sunrise---6:41-------6:41-------6:39-------6:37-------6:35-------6:33-------6:33-------6:31
Sunset-------9:06-------9:07-------9:08-------9:09-------9:12-------9:13-------9:14----
part cloudcloudpart cloudcloudcloudcloudcloudpart cloudpart cloudcloudlight rainlight rainlight rainlight raincloudpart cloudpart cloudcloudcloudclearclearclearclearclearclearclearcloudpart cloudcloudpart cloudclearclearclearclearclearclearclearpart cloudpart cloudclearclearclearpart cloudpart cloudpart cloudcloudpart cloudcloudcloudpart cloudpart cloudclearclearclearclearclearclearclearclearclear
Rain (mm)
----------2221----------------------------------------------
Temp. °C98881213121287543222112245676557101111119988121413141210991513107754467753445
Feels °C (?)53459109943-1-2-3-4-4-3-3-20-1123421148888555611131112867713107321-1-112321223
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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 Ontonagon 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 Ontonagon at:
surf-forecast.com

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