The surf forecast is 1 ft and clean right now for Marathon, ON
- WEATHER - LIVENearby Wind Station 45136 - Slate Island44° NE @ 22 → 27mph
- BUOY 45136Latest wave height and wave period from Buoy 451364.3ft @ 5s
- WATER TEMPWater temperature from nearby buoy station 4513649° 5/3, Boots/Gloves(5)
Forecast
Surf Swell
5 day 16 day
- 8ft
- 6ft
- 4ft
- 2ft
WED 22
THU 23
FRI 24
SAT 25
8am
- Clean
- Fair
- Choppy
Conditions are 2 ft and fair at 8am on Tue 10/21

No Tide Data
Forecast Details
Basic
Detail
- Tuesday, Oct 21
SURF WIND SWELL 12pm 1+ ftcleanENE17mph2.8ft6sSSE6pm 1 ftcleanENE15mph1.2ft7sSW - Best Board for Tuesday
- Wednesday, Oct 22
SURF WIND SWELL 6am 1 ftcleanNNE14mph1.3ft5sSW12pm flatcleanNNE13mph0.4ft5sSW6pm flatcleanN10mph0.7ft3sNNW - Thursday, Oct 23
SURF WIND SWELL 6am flatchoppyNW10mph1.1ft3sNW12pm flatchoppyNNW13mph1.4ft4sWNW6pm flatchoppyNNW12mph1.1ft5sW - Friday, Oct 24
SURF WIND SWELL 6am flatfairNW7mph0.3ft4sW12pm flatfairNW7mph0.4ft3sW6pm flatfairWSW5mph0.2ft4sW - Best Surf Trip
- Saturday, Oct 25
SURF WIND SWELL 6am flatcleanE7mph0ft2sWSW12pm 0-1 ftchoppyS13mph1.3ft3sS6pm 1+ ftchoppySSE14mph2.8ft5sS
Check 16-days forecast with
Surf Captain Pro
Surf Captain Pro
Upgrade to Pro
This forecast is for South-West facing beaches, and was updated Oct 21, 2025 @ 9:41pm.
Read more about the Surf Captain forecasts.