The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    35° WSW @ 1mph
  • BUOY FORECAST
    S0undefined @ 0s
  • WATER TEMP
    33° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
THU 16
FRI 17
SAT 18
SUN 19
MON 20
2pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 2pm on Wed 4/15
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND NE 7 mph
Primary Swell Arrow
PRIMARY S (180) 0 ft @ 0 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Thursday, Apr 16
    SURF WIND SWELL
    6am
    flat
    clean
    SW
    3mph
    0ft
    0s
    S
    12pm
    flat
    clean
    WSW
    4mph
    0ft
    0s
    S
    6pm
    flat
    clean
    SW
    4mph
    0ft
    0s
    S
  • Friday, Apr 17
    SURF WIND SWELL
    6am
    flat
    clean
    NE
    8mph
    0ft
    0s
    S
    12pm
    0-1 ft
    choppy
    SSE
    13mph
    1.2ft
    3s
    S
    6pm
    2+ ft
    choppy
    SSE
    19mph
    4.3ft
    5s
    S
  • Saturday, Apr 18
    SURF WIND SWELL
    6am
    1 ft
    choppy
    WNW
    9mph
    2.6ft
    6s
    SSW
    12pm
    1+ ft
    choppy
    WNW
    13mph
    2.1ft
    5s
    WSW
    6pm
    2+ ft
    choppy
    W
    17mph
    3.7ft
    6s
    WSW
  • Sunday, Apr 19
    SURF WIND SWELL
    6am
    2 ft
    choppy
    NW
    12mph
    2.6ft
    6s
    WSW
    12pm
    1 ft
    choppy
    NNW
    11mph
    1.4ft
    6s
    WSW
    6pm
    1 ft
    choppy
    NNW
    11mph
    1.5ft
    5s
    WSW
  • Best Surf Trip
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  • Monday, Apr 20
    SURF WIND SWELL
    6am
    flat
    clean
    SSE
    2mph
    0.2ft
    4s
    WSW
    12pm
    flat
    choppy
    S
    14mph
    0.3ft
    2s
    S
    6pm
    1-2 ft
    choppy
    S
    17mph
    2.8ft
    4s
    S
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This forecast is for South-West facing beaches, and was updated Apr 16, 2026 @ 3:40am.
Read more about the Surf Captain forecasts.