The surf forecast is 0-1 ft and slightly choppy right now for Grand Marais, MI

  • WEATHER FORECAST
    40° NW @ 9 → 13mph
  • BUOY FORECAST
    NNW1.2ft @ 4s
  • WATER TEMP
    37° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
  • 8ft
  • 6ft
  • 4ft
  • 2ft
WED 20
THU 21
FRI 22
SAT 23
SUN 24
5pm
  • Clean
  • Fair
  • Choppy
Conditions are 0-1 ft and choppy at 5pm on Wed 5/20
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDWNW 8 mph
Primary Swell Arrow
PRIMARYNNW (328) 1.2 ft @ 4 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Wednesday, May 20
    SURFWINDSWELL
    6am
    1+ ft
    choppy
    NW
    9mph
    2.2ft
    5s
    NNW
    12pm
    1 ft
    choppy
    WNW
    11mph
    1.4ft
    4s
    NNW
    6pm
    0-1 ft
    choppy
    WNW
    7mph
    1.2ft
    4s
    NNW
  • Thursday, May 21
    SURFWINDSWELL
    6am
    flat
    clean
    S
    2mph
    0.4ft
    3s
    NNW
    12pm
    flat
    choppy
    NE
    8mph
    0.2ft
    3s
    NNW
    6pm
    flat
    fair
    ENE
    7mph
    0ft
    0s
    S
  • Friday, May 22
    SURFWINDSWELL
    6am
    flat
    clean
    ESE
    5mph
    0ft
    0s
    S
    12pm
    flat
    fair
    E
    8mph
    0ft
    0s
    S
    6pm
    flat
    clean
    SE
    11mph
    0.9ft
    3s
    E
  • Saturday, May 23
    SURFWINDSWELL
    6am
    flat
    fair
    ESE
    11mph
    1.2ft
    3s
    E
    12pm
    flat
    fair
    ESE
    15mph
    1.4ft
    3s
    E
    6pm
    flat
    fair
    ESE
    12mph
    1.7ft
    4s
    E
  • Sunday, May 24
    SURFWINDSWELL
    6am
    flat
    clean
    S
    7mph
    0.3ft
    3s
    ENE
    12pm
    flat
    clean
    S
    10mph
    0ft
    0s
    S
    6pm
    flat
    choppy
    W
    9mph
    0ft
    0s
    S
Check 16-days forecast with
Surf Captain Pro
Upgrade to Pro
This forecast is for North-North-West facing beaches, and was updated May 20, 2026 @ 2:53pm.
Read more about the Surf Captain forecasts.

Forecast Services

Surf Captain Mobile
  • App Store Link
  • Google Play Store Link

Surf Captain Widgets

Add Surf Captain Widgets to your website. Choose from two different widget types to provide the 3 day surf forecast or current conditions on your site.

View Service

Surf Etiquette Guide

We created the Surf Captain Surf Etiquette guide to hand out to surf schools and surf shops to help educate the new wave of beginner surfers. Free for those willing to help educate.

View Service

Cross Promotional Tide Charts

The Surf Captain cross promotional tide charts offer you and your business and easy and inexpensive way to market your brand. The tide charts are 3 months front, and 3 months back, with your logo and business info on the top of each side.

View Service

Surf Captain Mini Handbook

The Surf Captain Mini Handbooks - A Simple Guide to Surf Forecasting. The Mini Handbook is a trifold brochure providing the basic understandings of ocean wave science and surf forecasting.

View Service