The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    65° WSW @ 5mph
  • BUOY 45136
    0.7ft @ 2s
  • WATER TEMP
    39° 5/4+, Boots/Gloves(5+)

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
SAT 11
SUN 12
MON 13
TUE 14
WED 15
12pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and choppy at 12pm on Sat 7/11
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDSSW 9 mph
Primary Swell Arrow
PRIMARYS (180) 0 ft @ 0 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Saturday, Jul 11
    SURFWINDSWELL
    6am
    flat
    fair
    SSE
    3mph
    0ft
    0s
    S
    12pm
    flat
    choppy
    SSW
    9mph
    0ft
    0s
    S
    6pm
    flat
    fair
    SW
    7mph
    0ft
    0s
    S
  • Sunday, Jul 12
    SURFWINDSWELL
    6am
    flat
    fair
    SSE
    4mph
    0ft
    0s
    S
    12pm
    0-1 ft
    fair
    SW
    6mph
    0.9ft
    3s
    S
    6pm
    0-1 ft
    fair
    S
    6mph
    0.9ft
    3s
    S
  • Monday, Jul 13
    SURFWINDSWELL
    6am
    0-1 ft
    fair
    SSE
    4mph
    1.1ft
    4s
    SW
    12pm
    1 ft
    fair
    SW
    4mph
    1.7ft
    6s
    SW
    6pm
    1+ ft
    choppy
    SSW
    8mph
    2ft
    6s
    SW
  • Tuesday, Jul 14
    SURFWINDSWELL
    6am
    2+ ft
    clean
    SSW
    3mph
    3.1ft
    6s
    SW
    12pm
    2 ft
    choppy
    W
    14mph
    2.7ft
    6s
    SW
    6pm
    1+ ft
    choppy
    WSW
    9mph
    2ft
    6s
    SW
  • Wednesday, Jul 15
    SURFWINDSWELL
    6am
    0-1 ft
    clean
    N
    2mph
    1ft
    4s
    SW
    12pm
    flat
    choppy
    W
    16mph
    0.6ft
    4s
    WSW
    6pm
    flat
    fair
    SW
    10mph
    0.7ft
    3s
    WSW
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This forecast is for South-West facing beaches, and was updated Jul 11, 2026 @ 9:44am.
Read more about the Surf Captain forecasts.