Indiana Dunes Beach surf report

Porter, Indiana

Updated 6:03 AM CDT

41/ 100

Marginal Water temperature is 75°F — but swell period at 4s is what holds it back.

What decides a surfing score

Wave size 1.1 ft · 45% of the score 20
Swell period 4s · 30% of the score 25
Wind 5 mph · 15% of the score 100
Water temperature 75°F · 10% of the score 95

Scored on wave size, period and wind speed. We do not yet know which way each beach faces, so this does not account for offshore versus onshore wind.

Weather & UV · Open-Meteo Waves · Open-Meteo Marine Water temp · NOAA GLERL (daily) Air quality · AirNow

Indiana Dunes Beach is also scored for

91 Families with kids surf calmness 1.1 ft 89 Swimming water temperature 75°F

About Indiana Dunes Beach

Indiana Dunes Beach sits on Lake Michigan, where the water runs from about 36°F in February to 74°F in August.

The water averages above 70°F in July, August and September — 3 months of the year — peaking around 74°F in August and dropping to about 36°F in February.

Today it is 75°F. That is 1° above the August average of 74°F here.

Frequently asked questions

Is Indiana Dunes Beach good for surfing today?

Marginal — we score it 41 out of 100 today. The limiting factor is swell period at 4s.

What makes a good surfing day?

We weight wave size (45%), swell period (30%), wind (15%) and combine them into one score. Conditions we cannot read are left out rather than guessed.

Nearby beaches

North Avenue BeachChicago, Illinois South Haven BeachSouth Haven, Michigan Oval BeachSaugatuck, Michigan