The surf forecast is 0-1 ft and slightly choppy right now for Marathon, ON

  • WEATHER - LIVE
    67° S @ 8 → 17mph
  • BUOY 45136
    1.3ft @ 3s
  • WATER TEMP
    62° 3/2 Wetsuit

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
TUE 2
WED 3
THU 4
FRI 5
SAT 6
2am
  • Clean
  • Fair
  • Choppy
Conditions are flat and fair at 2am on Tue 9/2
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND S 5 mph
Primary Swell Arrow
PRIMARY WSW (238) 0.7 ft @ 4 sec
Secondary Swell Arrow
SECONDARY S (187) 0.7 ft @ 3 sec
No Tide Data

Forecast Details

Basic
Detail
  • Tuesday, Sep 2
    SURF WIND SWELL
    6am
    0-1 ft
    choppy
    S
    9mph
    1ft
    3s
    S
    12pm
    0-1 ft
    choppy
    S
    10mph
    1.3ft
    3s
    S
    6pm
    0-1 ft
    choppy
    S
    9mph
    1ft
    3s
    S
  • Best Board for Tuesday
  • Wednesday, Sep 3
    SURF WIND SWELL
    6am
    1-2 ft
    choppy
    SSW
    11mph
    2.8ft
    5s
    S
    12pm
    1 ft
    choppy
    NNW
    12mph
    1.6ft
    5s
    S
    6pm
    flat
    choppy
    NNW
    12mph
    0.3ft
    5s
    WSW
  • Thursday, Sep 4
    SURF WIND SWELL
    6am
    1 ft
    choppy
    WNW
    10mph
    2ft
    6s
    W
    12pm
    2+ ft
    choppy
    W
    16mph
    3.4ft
    6s
    WSW
    6pm
    2-3+ ft
    choppy
    W
    16mph
    4.3ft
    6s
    WSW
  • Friday, Sep 5
    SURF WIND SWELL
    6am
    2 ft
    choppy
    WNW
    9mph
    2.7ft
    6s
    SW
    12pm
    1-2 ft
    choppy
    WNW
    10mph
    2.2ft
    6s
    SW
    6pm
    1-2 ft
    choppy
    WNW
    13mph
    2.6ft
    5s
    WSW
  • Best Surf Trip
    This Week’s Swell? You Could Be On It.
  • Saturday, Sep 6
    SURF WIND SWELL
    6am
    2-3 ft
    choppy
    WNW
    14mph
    3.6ft
    6s
    WSW
    12pm
    2 ft
    choppy
    NW
    8mph
    2.6ft
    6s
    WSW
    6pm
    1+ ft
    choppy
    NW
    11mph
    2.2ft
    6s
    WSW
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This forecast is for South-West facing beaches, and was updated Sep 2, 2025 @ 3:40pm.
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