Ontonagon Surf Forecast and Surf Reports

(Lake Superior, USA)

Forecast
- Hourly Forecast
- 16 Day Forecast
Maps
Live
Weather State
Spot Information

Ontonagon Surf Guide

Ontonagon in Lake Superior is an exposed beach break that has unreliable waves Offshore winds blow from the south. Short period wind swells are the rule and the best wave direction is from the north northeast. Waves at the beach break both left and right. It very rarely gets crowded here. Watch out for rocks.

Ontonagon Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	3	inconsistent	2.4°C*ocean temperature recorded from satellite

Surfing Ontonagon:

The best conditions reported for surf at Ontonagon occur when a North-northeast swell combines with an offshore wind direction from the South.

Hourly Forecast

16 Day Forecast

Explore Ontonagon Location Map

Interactive Ontonagon surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Ontonagon is Sawyer International (Marquette) Airport (MQT) in USA, which is 139 km (86 miles) away (directly). The second nearest airport to Ontonagon is Thunder Bay Airport (YQT) in Canada, 165 km (102 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Ontonagon Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Monday, 4 May 2026, 22:30 Local Time

m, °C	Mon	Tuesday 05
ft, °F	11PM	2AM	5AM	8AM
Wave (m)	W	WNW	WNW	WNW
Period (s)	6	5	5	5
Wind (km/h)
Wind State	cross	cross- on	cross	cross

Ontonagon Sea Temperature

Water temperature (2.4 °C) at Ontonagon is close to freezing. Despite the weak sunshine, the air will feel like -3.0 °C. Even if you wear a thick winter wetsuit, a neoprene hood, neoprene gloves and boots, it will still be difficult to stay in the sea for very long today.

Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.