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Lake Michigan Surf Forecast


Our surfing forecast for Lake Michigan is updated every Monday and Thursday morning by resident meteorologist, Dr. Fresh (see his bio below). New to Great Lakes wave forecasting? Dive in deep with our resources below.

LAKE MICHIGAN SURF FORECAST

Updated by Dr. Fresh on Thursday, November 15th 2018

5-day Lake Michigan wave forecast model

 

SURF QUALITY KEY (for daily summary below, not map above)

BLUE – Flat or Poor Surf

PURPLE – Mediocre Surf

ORANGE – Fun Surf 

GREEN - Epic Surf

RED - Victory at Sea

 

Lake Michigan Surf Forecast for Thursday - Sunday:

Summary: Nothing great expected for the second half of the week. An area of lower pressure will scoot by to the north bringing SE to SW flow over the lake on Thursday. A returning WNW makes waves for the Michigan side on Friday. A Canadian high will bring steady NNW flow on Saturday, but doesn't look strong enough to make for a solid day at the south end. Another weak low moves by to the north on Sunday establishing WSW flow over the lake, strongest at the north end.

THURSDAY: SE wind 10 to 15 knots over the southern half of the lake. Winds will be stronger and out of the SW over the northern half of the lake 15 to 25 knots with higher gusts. Waves 4 to 6 feet, mainly over the northern half of the lake, especially the northern tip.

FRIDAY: WNW wind 15 to 25 knots early then fading to 10 to 15 knots during the afternoon. Waves 5 to 7 feet early and fading through the day.

SATURDAY: NNW 10 to 20 knots. Waves 2 to 4 feet, mainly for the southern half of the lake.

SUNDAY: WSW wind 10 to 20 knots with gusts to 25 knots, especially at the north end of the lake. Waves 3 to 5 feet, biggest at the north end of the lake.

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GREAT LAKES SURF FORECASTING

First things first: want to go really deep into Great Lakes wave forecasting? Scroll to the bottom of this page for the live webinar we did in October 2018.

While predicting waves on most ocean coasts has become a science of its own, with countless surf reports, surf-specific web cams, and detailed forecasts, surf forecasting in the Great Lakes is in its relative infancy. To put it bluntly; you have to work at it. Fortunately, there are now numerous resources available, mostly via the World Wide Web. Read on for a look into surf forecasting on the Great Lakes.

Finding waves is easy. Finding good waves is the challenge.

FORECASTING 101

What makes waves? It's simple: wind. We need wind to make waves, but we also need a good stretch of water for the wind to blow over to produce those waves. That brings us to something called fetch - the length of water the wind is blowing over. Look at any beach on a map and find the longest amount of fetch connected to the beach, and that will tell you what wind direction you need to make waves at that beach. And, keep in mind that a stated wind direction means the wind is coming from that direction (a north wind blows from the North to the South).

Some beaches get waves from many directions, but the above example would theoretically build the biggest waves. The size of the waves depends on factors such as wind speed, wind direction, wind duration, the amount of fetch, and the bottom contours over which the waves are breaking; but the fetch is probably the most important factor. An example? If you were in New Buffalo, on southern Lake Michigan, a west wind (blowing from Chicago to New Buffalo) only has about 50 miles of fetch, but a north wind (blowing from the Upper Peninsula) has about 300 miles of fetch - which wind direction do you think produces bigger waves in New Buffalo?

THE TOOLS

Assembled here are some of the most functional and easy-to-use online tools for finding waves in the Great Lakes. Included are wind maps, wave models, and other relevant links that can be found in any serious lake surfer's online arsenal. Read the description for each, then dive in and start to get to know them. Your reward? Good, uncrowded waves that even an ocean surfer would be stoked to find.

WIND

WAVES

BUOYS

WATER TEMPERATURES

ICE

LIVE LOCAL WEBCAMS

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WHO IS DR. FRESH?

 

Our forecasting expert, Dr. Fresh, is a Midwest transplant from the East Coast. Like most of us, he makes the best of his situation and tries to think he can actually surf a lake. When not attempting this, Dr. Fresh can be found looking at weather maps trying to nail down our next swell. He has a degree in atmospheric science and is a meteorologist by profession (yep, on TV), so we'll just assume he knows what he's doing.

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GREAT LAKES SURF FORECASTING WORKSHOP WEBINAR