The surf forecast is flat right now for Marathon, ON
- WEATHER - LIVENearby Wind Station CWCJ - Pukaskwa61° WSW @ 2mph
- BUOY 45136Latest wave height and wave period from Buoy 451360.3ft @ 3s
- WATER TEMPWater temperature from nearby buoy station 4513640° 5/4+, Boots/Gloves(5+)
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
THU 3
FRI 4
SAT 5
SUN 6
MON 7
2am
- Clean
- Fair
- Choppy
Conditions are flat and clean at 2am on Thu 7/3

No Tide Data
Forecast Details
Basic
Detail
- Thursday, Jul 3
SURF WIND SWELL 6am flatcleanNNE3mph0.5ft3sSW12pm flatfairWSW5mph0.3ft3sSW6pm flatfairSW6mph0.2ft4sSW - Best Board for Thursday
- Friday, Jul 4
SURF WIND SWELL 6am flatfairSE4mph0ft0sS12pm 1 ftchoppyS11mph1.9ft4sS6pm 1 ftchoppyS10mph1.9ft4sS - Saturday, Jul 5
SURF WIND SWELL 6am 1+ ftchoppyS10mph2.3ft5sS12pm 1 ftfairSW7mph1.5ft4sS6pm 0-1 ftcleanN3mph1.1ft4sS - Sunday, Jul 6
SURF WIND SWELL 6am flatcleanNNE11mph0.5ft4sSW12pm flatcleanNE12mph0.4ft4sWSW6pm flatcleanNNE5mph0.4ft4sSW - Best Surf Trip
- Monday, Jul 7
SURF WIND SWELL 6am flatcleanN1mph0ft0sS12pm flatfairSSW7mph0ft0sS6pm flatfairSSW4mph0ft0sS
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This forecast is for South-West facing beaches, and was updated Jul 3, 2025 @ 4:20pm.
Read more about the Surf Captain forecasts.