The surf forecast is flat right now for Grand Marais, MI
- WEATHER - LIVENearby Wind Station GRMM4 - Grand Marais, MI61° S @ 23 → 30mph
- BUOY FORECASTNo active nearby Buoys. Using current forecast data.SSW
1.9ft @ 3s
- WATER TEMPNo nearby water temp measurements,
using satellite derived data from yesterday.54° 4/3, Boots/Gloves(3)
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
FRI 17
SAT 18
SUN 19
MON 20
TUE 21
1am
- Clean
- Fair
- Choppy
Conditions are flat and clean at 1am on Fri 10/17

No Tide Data
Forecast Details
Basic
Detail
- Friday, Oct 17
SURF WIND SWELL 6am flatcleanS15mph1.1ft3sSW12pm flatcleanS16mph1.3ft3sSW6pm flatcleanS20mph1.8ft3sSSW - Best Board for Friday
- Saturday, Oct 18
SURF WIND SWELL 6am flatfairSW8mph0.6ft3sSW12pm 0-1 ftfairWSW7mph0.7ft5sWNW6pm flatfairE10mph0.4ft4sWNW - Sunday, Oct 19
SURF WIND SWELL 6am 1 ftchoppyNNW22mph1.8ft3sNNW12pm 3-4 ftchoppyNNW32mph8ft7sNW6pm 3-4 ftchoppyNW22mph6.2ft7sNW - Monday, Oct 20
SURF WIND SWELL 6am 1+ ftchoppySW9mph2.3ft5sNW12pm 0-1 ftcleanS12mph1.3ft5sNW6pm flatcleanSSE16mph0.6ft4sNW - Best Surf Trip
- Tuesday, Oct 21
SURF WIND SWELL 6am flatcleanS7mph0.7ft5sE12pm flatchoppyWSW11mph0.9ft3sWSW6pm 1 ftchoppyNW14mph1.6ft4sW
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This forecast is for North-North-West facing beaches, and was updated Oct 17, 2025 @ 2:39pm.
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