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Ontonagon ratings
Quality on a good day: 3.0
Consistency of Surf: 2.0
Difficulty Level: 1.0
Crowds: 4.0

…

Overall: 2.8

See all 18 ratings

Based on 1 vote. Vote


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Ontonagon Surf Forecast / Lake Superior / USA

48hr Weather and Surf, issued 7 am Sunday 11 Apr 2021 EDT
Forecast update in  hr  min  s 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 1.1 °C (Statistics for 11 Apr 1981-2005 - mean: 1.8 max: 2.2 min: 1.3 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
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 1.1 °C (Statistics for 11 Apr 1981-2005 - mean: 1.8 max: 2.2 min: 1.3 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Lake Superior

  1. weather stationWind Update Cross-on wind has become light (light winds from the ENE at BUOY-OTNM4 3 km from Ontonagon).

    1 hour 39 minutes ago Ontonagon
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1 h 39 min ago

Light
9 km/h
ENE
Clean
Please reload the page to see if there are any updates.

How big are the waves at Ontonagon today?

The current surf forecast for Ontonagon at 12PM is: 0.8m 4s primary swell from a Northeast direction (forecast issued at 07:00am April 11). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (11 Apr)2ft (0.6m)4s
Afternoon (11 Apr)3ft (0.9m)4s
Evening (11 Apr)4ft (1.2m)5s

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

Hourly12 daysLake Superior Surf
Icon printPrint Surf Table
Updates in  hr  min  s Update imminent 
Rating
(10 max)
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
Temp. °C
Chill °C (?)
Sunrise
Sunset
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
5 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 AM11 AM2 PM
000000024443220100000000000000000000000000000000000000000000
T global atlantic.htsgw.metric.6.cc23T global atlantic.htsgw.metric.12.cc23T global atlantic.htsgw.metric.18.cc23
T global atlantic.htsgw.metric.24.cc23T global atlantic.htsgw.metric.30.cc23T global atlantic.htsgw.metric.42.cc23
T global atlantic.htsgw.metric.48.cc23T global atlantic.htsgw.metric.54.cc23T global atlantic.htsgw.metric.66.cc23
T global atlantic.htsgw.metric.72.cc23T global atlantic.htsgw.metric.78.cc23T global atlantic.htsgw.metric.90.cc23
T global atlantic.htsgw.metric.96.cc23T global atlantic.htsgw.metric.102.cc23T global atlantic.htsgw.metric.114.cc23
T global atlantic.htsgw.metric.120.cc23T global atlantic.htsgw.metric.126.cc23T global atlantic.htsgw.metric.138.cc23
T global atlantic.htsgw.metric.144.cc23T global atlantic.htsgw.metric.150.cc23T global atlantic.htsgw.metric.162.cc23
T global atlantic.htsgw.metric.168.cc23T global atlantic.htsgw.metric.174.cc23T global atlantic.htsgw.metric.186.cc23
0.4
NE
0.5
NE
0.8
NE
0.9
NE
0.9
NNE
1.1
NE
1.4
NE
2.2
ENE
2.5
ENE
2.2
ENE
2.1
ENE
1.7
ENE
1.4
ENE
1.1
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.7
ENE
0.4
ENE
0.4
ENE
0.3
ENE
0.3
E
0.3
E
0.2
E
0.4
NNW
0.5
N
0.7
NNE
0.7
NE
0.6
NE
0.5
NE
0.5
NE
0.5
NE
0.5
NE
0.4
NE
0.4
NE
0.4
NE
0.2
ENE
0.2
ENE
0.2
ENE
0.1
NE
0.1
E
0.1
N
0.1
NW
0.1
W
0.1
SW
0.1
W
0.1
W
0.1
W
0.1
NW
0.2
N
-
-
-
-
-
-
-
-
-
-
33444468888777666655555533444543455544444222222222----------
25192729521375468176665073191861106258483111954423511151210759755222100000000000000000000
15
NE
15
NNE
25
NNE
25
NE
25
NNE
30
NNE
30
NE
20
NE
10
SSE
10
SSW
10
SSW
10
SSW
5
WSW
5
NW
10
W
15
WSW
20
W
20
WSW
20
WSW
15
WSW
5
W
5
WNW
5
WNW
5
NW
10
NW
15
NW
15
NNW
10
WNW
10
N
20
NNE
20
NNE
25
NNE
25
NNE
20
N
20
NNE
15
NNE
10
N
10
WNW
10
W
10
WNW
10
WNW
10
N
15
NNE
10
NNE
10
N
10
NW
10
W
15
W
10
W
10
WNW
10
NW
10
N
10
N
10
NW
5
WNW
5
WSW
5
WSW
10
SW
10
WNW
10
NW
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		offcross-
off		offcross-
off		glasscross-
on		crosscross-
off		crosscross-
off		cross-
off		cross-
off		crossglassglasscross-
on		cross-
on		cross-
on		oncrossonononononononononcross-
on		crosscrosscross-
on		ononononcross-
on		crosscross-
off		crosscrosscross-
on		ononcross-
on		glasscross-
off		cross-
off		cross-
off		crosscross-
on
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Note: the tide data above is . Surf properties and timing are calculated for Ontonagon.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Ontonagon blow from the S

Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
5 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 AM11 AM2 PM
light rain
moderate rain
light rain
light rain
light rain
light rain
light rain
light rain
cloudy
light rain
light rain
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
partially cloudy
partially cloudy
cloudy
cloudy
partially cloudy
cloudy
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
partially cloudy
clear
clear
partially cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
partially cloudy
clear
clear
clear
clear
partially cloudy
partially cloudy
partially cloudy
partially cloudy
partially cloudy
clear
clear
clear
clear
clear
clear
light rainmod. rainlight rainlight rainlight rainlight rainlight rainlight raincloudylight rainlight rainlight rainlight rainlight raincloudycloudycloudycloudycloudycloudycloudysome cloudssome cloudscloudycloudysome cloudscloudylight raincloudycloudycloudycloudycloudylight rainlight rainsome cloudsclearclearsome cloudscloudycloudycloudycloudycloudysome cloudsclearclearclearclearsome cloudssome cloudssome cloudssome cloudssome cloudsclearclearclearclearclearclear
28222332-12121-------------1-----11-------------------------
555666667667766544444332234455443223432344566544345676554467
221221135445654200013330-1011310-1-2-3-2-120-1022234311023454533245
-7:16-------7:15-------7:13-------7:11-------7:09-------7:07-------7:05-------7:03--
-----8:39-------8:40-------8:42-------8:44-------8:45-------8:45-------8:47------
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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

We hope you find the new 12-day forecasts and additional details useful.

Kudos to everyone who helped us debug this over the past 3 months.

Be sure to click on the Advanced Surf option to see extra details about the sea-state. Look out for crossing swells and short period local wind swells and chop that will often spoil a groundswell even if the wind is perfect. As yet there is no allowance for this in the swell rating. This is something we are working on.

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