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Ontonagon location map

Ontonagon surf Forecast / Lake Superior / USA

12 Day Weather and Surf, issued 1 pm Thursday 25 Apr 2024 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 2.6°C (Statistics for 25 Apr 1981-2005 - mean: 2.1 °C max: 2.9 °C min: 1.1 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 2.6°C (Statistics for 25 Apr 1981-2005 - mean: 2.1 °C max: 2.9 °C min: 1.1 °C)

Best Forecast Surf Conditions for Ontonagon this week:

The surf forecast for Ontonagon over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 27) at 8AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.3m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ontonagon in the next 12 days are 2.1m 8s and forecast to arrive on Monday (Apr 29) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Friday (Apr 26) at 2AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sat 27th Apr)2.5ft (0.8m) 7s
Best Surf 5AM (Mon 29th Apr)7ft (2.1m) 8s
Most Powerful 5AM (Mon 29th Apr)7ft (2.1m) 8s

Table - best surf conditions forecast for Ontonagon over the next 12 days.

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Quick surf report for Ontonagon:

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Hourly12 Days
Lake Superior Surf
Print Surf Table
Updates in  hr  min  s Update imminent 
Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tue
07
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
3
3
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 (?)
0.2
E
0.2
E
0.8
SSE
0.7
ESE
0.8
ESE
0.7
E
0.4
ESE
1.1
N
1.9
NE
1.8
ENE
2
ENE
1.9
ENE
1.1
E
0.4
E
0.1
E
0.9
WSW
0.6
WSW
0.7
WSW
——————————————————
Period(s) (?)254447747778865544------------------
Wave
Graph
(?)Metric surfscale
Energy (?)02000471548361324440419135110000000000000000000000
Wind
(km/h)
10
ENE
25
SSE
20
SSE
20
SE
15
SSE
15
ESE
20
NNE
25
NNE
30
ENE
30
ENE
20
ESE
15
S
30
W
20
WSW
5
WSW
20
E
35
WSW
25
W
15
WNW
0
SW
20
NE
20
NE
15
NE
25
NNE
20
NNE
5
NE
15
NE
20
NE
15
SE
5
S
10
NE
15
S
15
WSW
0
W
15
SSW
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoffcross-
off		cross-
off		cross-
off		cross-
off		ononcross-
on		crosscross-
off		offcrosscross-
off		cross-
off		crosscross-
off		crosscross-
on		glasscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		glasscross-
on		offcross-
off		glasscross-
off		glass
High Tide
/ height (m)
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Low Tide
/ height (m)
n/a
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Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tue
07
Sunrise--6:48--6:47--6:45--6:43--6:41--6:41--6:39--6:37--6:35--6:33--6:33--6:31
Sunset9:00--9:00--9:01--9:04--9:05--9:06--9:07--9:08--9:09--9:12--9:13--9:14--
clearclearclearcloudlight rainlight rainmod rainlight raincloudpart cloudmod rainpart cloudlight raincloudclearmod rainrain showerslight rainpart cloudpart cloudpart cloudrain showersrain showersclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudclear
Rain (mm)
----1292--7-3--7191---11-------------
Temp. °C12121013111114525915159111312777444356791012141114151616
Feels °C (?)884769141-5-36131329118413-2-2-1-4-113451011811131616

Short Range Forecast: Moderate rain (total 14mm), heaviest on Sat afternoon. Very mild (max 14°C on Sat afternoon, min 2°C on Sat night). Winds increasing (light winds from the ESE on Sat afternoon, fresh winds from the ENE by Sun morning).

Days 3-6 Weather Summary Heavy rain (total 37mm), heaviest during Tue night. Very mild (max 15°C on Mon morning, min 4°C on Sun afternoon). Mainly fresh winds.

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Thu afternoon. Mild temperatures (max 7°C on Wed afternoon, min 2°C on Thu night). Wind will be generally light.

Long Range Forecast: Mostly dry. Very mild (max 17°C on Tue afternoon, min 5°C on Sat night). Wind will be generally light.

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.


Information about the Ontonagon Surf forecast

The above surf forecast table for Ontonagon provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ontonagon can be found by selecting the local surf guide option on the grey menu. Our Ontonagon surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ontonagon) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Ontonagon may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Ontonagon is 151 km (94 miles) from the city of Marquette. If you plan a vacation in Lake Superior, look for hotels and other accommodation in Marquette. Marquette has rooms for a wide range of budgets as well as car hire and transport links.

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