The surf forecast is flat right now for Marathon, ON
- WEATHER FORECASTNo active nearby wind station. Using forecast data.49° W @ 0mph
- BUOY FORECASTNo active nearby Buoys. Using current forecast data.WSW
0.3ft @ 2s
- WATER TEMPWater temperature from nearby buoy station 4513636° 5/4+, Boots/Gloves(5+)
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
SUN 25
MON 26
TUE 27
WED 28
THU 29
2am
- Clean
- Fair
- Choppy
Conditions are flat and clean at 2am on Sun 5/25

No Tide Data
Forecast Details
Basic
Detail
- Sunday, May 25
SURF WIND SWELL 6am flatcleanN5mph0ft0sS12pm flatcleanN5mph0ft0sS6pm flatcleanWSW3mph0ft0sS - Best Board for Sunday
- Monday, May 26
SURF WIND SWELL 6am flatcleanNE4mph0ft0sS12pm flatcleanSW4mph0ft0sS6pm flatfairSW7mph0ft0sS - Tuesday, May 27
SURF WIND SWELL 6am flatcleanNNE3mph0ft0sS12pm flatcleanWSW2mph0ft0sS6pm flatfairSW6mph0ft0sS - Wednesday, May 28
SURF WIND SWELL 6am flatfairWNW5mph0ft0sS12pm flatfairWNW6mph0ft0sS6pm flatchoppyW11mph0ft0sS - Thursday, May 29
SURF WIND SWELL 6am flatcleanSW3mph0ft0sS12pm flatfairSW8mph0ft0sS6pm flatfairSW7mph0.3ft2sWSW
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This forecast is for South-West facing beaches, and was updated May 25, 2025 @ 4:19pm.
Read more about the Surf Captain forecasts.