The surf forecast is flat right now for Marathon, ON

  • WEATHER FORECAST
    19° NE @ 16mph
  • BUOY FORECAST
    ENE0.7ft @ 2s
  • WATER TEMP
    32° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
TUE 31
WED 1
THU 2
FRI 3
SAT 4
2pm
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 2pm on Mon 3/30
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND NNE 8 mph
Primary Swell Arrow
PRIMARY S (171) 0.3 ft @ 3 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Tuesday, Mar 31
    SURF WIND SWELL
    6am
    flat
    clean
    ENE
    15mph
    0.3ft
    2s
    ENE
    12pm
    flat
    clean
    ENE
    17mph
    1.1ft
    3s
    ENE
    6pm
    flat
    clean
    NE
    11mph
    0.7ft
    2s
    ENE
  • Wednesday, Apr 1
    SURF WIND SWELL
    6am
    flat
    clean
    NNE
    9mph
    0ft
    0s
    S
    12pm
    flat
    clean
    NE
    7mph
    0ft
    0s
    S
    6pm
    flat
    clean
    NE
    8mph
    0ft
    0s
    S
  • Thursday, Apr 2
    SURF WIND SWELL
    6am
    flat
    clean
    ENE
    14mph
    0.6ft
    4s
    SSE
    12pm
    flat
    clean
    ENE
    17mph
    1.1ft
    5s
    SSE
    6pm
    flat
    clean
    ENE
    20mph
    1.6ft
    3s
    E
  • Friday, Apr 3
    SURF WIND SWELL
    6am
    flat
    clean
    NE
    18mph
    1.5ft
    3s
    NE
    12pm
    flat
    clean
    NNE
    15mph
    1.3ft
    3s
    N
    6pm
    flat
    clean
    NE
    14mph
    1.2ft
    3s
    NNE
  • Best Surf Trip
    This Week’s Swell? You Could Be On It.
  • Saturday, Apr 4
    SURF WIND SWELL
    6am
    flat
    clean
    ENE
    14mph
    1.1ft
    2s
    ENE
    12pm
    flat
    clean
    ENE
    19mph
    1.5ft
    3s
    E
    6pm
    flat
    clean
    NE
    18mph
    1.5ft
    3s
    ENE
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This forecast is for South-West facing beaches, and was updated Mar 31, 2026 @ 3:49am.
Read more about the Surf Captain forecasts.