The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    70° ENE @ 7mph
  • BUOY 45136
    0.7ft @ 3s
  • WATER TEMP
    47° 5/3, Boots/Gloves(5)

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
SAT 1
SUN 2
MON 3
TUE 4
WED 5
2pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 2pm on Sat 8/1
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDNE 12 mph
Primary Swell Arrow
PRIMARYSW (230) 0.3 ft @ 3 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Saturday, Aug 1
    SURFWINDSWELL
    6am
    flat
    clean
    NE
    10mph
    0.2ft
    3s
    SW
    12pm
    flat
    clean
    NE
    14mph
    0.3ft
    4s
    SW
    6pm
    flat
    clean
    NE
    11mph
    0.3ft
    3s
    SW
  • Sunday, Aug 2
    SURFWINDSWELL
    6am
    flat
    clean
    NE
    6mph
    0.2ft
    4s
    WSW
    12pm
    flat
    clean
    NNE
    8mph
    0ft
    0s
    S
    6pm
    flat
    clean
    NNE
    4mph
    0ft
    0s
    S
  • Monday, Aug 3
    SURFWINDSWELL
    6am
    flat
    clean
    ENE
    4mph
    0ft
    0s
    S
    12pm
    flat
    choppy
    WSW
    11mph
    0ft
    0s
    S
    6pm
    flat
    choppy
    WSW
    9mph
    0ft
    0s
    S
  • Tuesday, Aug 4
    SURFWINDSWELL
    6am
    0-1 ft
    choppy
    S
    11mph
    1.7ft
    4s
    S
    12pm
    1+ ft
    choppy
    S
    11mph
    2.4ft
    4s
    S
    6pm
    1 ft
    fair
    SSE
    6mph
    1.9ft
    5s
    SSW
  • Wednesday, Aug 5
    SURFWINDSWELL
    6am
    flat
    clean
    N
    3mph
    0.6ft
    4s
    SW
    12pm
    flat
    choppy
    W
    13mph
    0.5ft
    4s
    WSW
    6pm
    flat
    choppy
    WSW
    16mph
    0.4ft
    4s
    SW
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This forecast is for South-West facing beaches, and was updated Aug 1, 2026 @ 9:35am.
Read more about the Surf Captain forecasts.