The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    47° WSW @ 3mph
  • BUOY FORECAST
    SSE0.2ft @ 3s
  • WATER TEMP
    33° 5/4+, Boots/Gloves(5+)

Forecast

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

Forecast Details

Basic
Detail
  • Wednesday, Apr 15
    SURF WIND SWELL
    6am
    flat
    clean
    NNE
    7mph
    0ft
    0s
    S
    12pm
    flat
    clean
    NE
    7mph
    0ft
    0s
    S
    6pm
    flat
    clean
    E
    4mph
    0.2ft
    3s
    SSE
  • Thursday, Apr 16
    SURF WIND SWELL
    6am
    flat
    clean
    SSE
    1mph
    0ft
    0s
    S
    12pm
    flat
    fair
    W
    5mph
    0ft
    0s
    S
    6pm
    flat
    clean
    W
    1mph
    0ft
    0s
    S
  • Friday, Apr 17
    SURF WIND SWELL
    6am
    flat
    clean
    NE
    16mph
    0.3ft
    2s
    NE
    12pm
    0-1 ft
    choppy
    SSE
    11mph
    0.3ft
    2s
    SE
    6pm
    2-3 ft
    choppy
    SSE
    18mph
    4.5ft
    6s
    S
  • Saturday, Apr 18
    SURF WIND SWELL
    6am
    1 ft
    choppy
    SW
    12mph
    2.9ft
    6s
    SSW
    12pm
    2-3+ ft
    choppy
    WSW
    19mph
    4.2ft
    6s
    WSW
    6pm
    3-4+ ft
    choppy
    W
    21mph
    6ft
    7s
    WSW
  • Best Surf Trip
    This Week’s Swell? You Could Be On It.
  • Sunday, Apr 19
    SURF WIND SWELL
    6am
    2-3+ ft
    choppy
    NW
    14mph
    3.8ft
    7s
    WSW
    12pm
    1-2 ft
    choppy
    NW
    13mph
    2.4ft
    6s
    W
    6pm
    0-1 ft
    choppy
    WNW
    16mph
    2.2ft
    5s
    W
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This forecast is for South-West facing beaches, and was updated Apr 15, 2026 @ 3:49pm.
Read more about the Surf Captain forecasts.