The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    67° SW @ 3mph
  • BUOY 45136
    0.3ft @ 2s
  • WATER TEMP
    57° 3/2, Boots/Gloves

Forecast

  • 8ft
  • 6ft
  • 4ft
  • 2ft
SAT 15
SUN 16
MON 17
TUE 18
WED 19
5pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 5pm on Sat 8/15
Compass Map
Forecast CompassCompass Wind ArrowCompass Primary Swell ArrowCompass Secondary Swell Arrow
Wind Arrow
WINDWSW 3 mph
Primary Swell Arrow
PRIMARYS (180) 0 ft @ 0 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
Forecast
History
  • Saturday, Aug 15
    SURFWINDSWELL
    6am
    flat
    clean
    ENE
    5mph
    0ft
    0s
    S
    12pm
    flat
    clean
    SW
    4mph
    0ft
    0s
    S
    6pm
    flat
    clean
    WSW
    2mph
    0ft
    0s
    S
  • Sunday, Aug 16
    SURFWINDSWELL
    6am
    flat
    choppy
    SSW
    9mph
    0.5ft
    3s
    S
    12pm
    0-1 ft
    choppy
    NW
    7mph
    0.8ft
    4s
    S
    6pm
    flat
    choppy
    NW
    8mph
    0.4ft
    3s
    S
  • Monday, Aug 17
    SURFWINDSWELL
    6am
    flat
    clean
    WSW
    1mph
    0.3ft
    3s
    WSW
    12pm
    flat
    fair
    SW
    9mph
    0.2ft
    3s
    WSW
    6pm
    0-1 ft
    choppy
    SW
    9mph
    0.8ft
    2s
    SW
  • Tuesday, Aug 18
    SURFWINDSWELL
    6am
    0-1 ft
    clean
    S
    3mph
    0.7ft
    4s
    WSW
    12pm
    flat
    clean
    NNE
    7mph
    0.6ft
    3s
    SW
    6pm
    flat
    choppy
    WNW
    7mph
    0.5ft
    3s
    SSW
  • Wednesday, Aug 19
    SURFWINDSWELL
    6am
    flat
    clean
    NNE
    5mph
    0.2ft
    3s
    WSW
    12pm
    flat
    clean
    NNE
    5mph
    0.4ft
    4s
    SW
    6pm
    flat
    fair
    W
    6mph
    0.4ft
    4s
    SW
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This forecast is for South-West facing beaches, and was updated Aug 15, 2026 @ 3:44pm.
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