The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    -5° N @ 2mph
  • BUOY FORECAST
    NW1.7ft @ 3s
  • WATER TEMP
    38° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
TUE 30
WED 31
THU 1
FRI 2
7am
  • Clean
  • Fair
  • Choppy
Conditions are flat and choppy at 7am on Mon 12/29
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND N 26 mph
Primary Swell Arrow
PRIMARY N (358) 3.2 ft @ 4 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Monday, Dec 29
    SURF WIND SWELL
    12pm
    flat
    choppy
    N
    24mph
    3ft
    4s
    NNW
    6pm
    flat
    choppy
    NNW
    18mph
    2.1ft
    4s
    NNW
  • Best Board for Monday
  • Tuesday, Dec 30
    SURF WIND SWELL
    6am
    flat
    choppy
    NNW
    10mph
    1.2ft
    3s
    NNW
    12pm
    flat
    fair
    NNW
    8mph
    0.7ft
    4s
    W
    6pm
    flat
    fair
    NW
    7mph
    0.4ft
    4s
    W
  • Wednesday, Dec 31
    SURF WIND SWELL
    6am
    flat
    choppy
    NNW
    10mph
    1.2ft
    3s
    NW
    12pm
    flat
    choppy
    NNW
    14mph
    1.9ft
    4s
    WNW
    6pm
    0-1 ft
    choppy
    NW
    16mph
    2.7ft
    6s
    W
  • Thursday, Jan 1
    SURF WIND SWELL
    6am
    1-2 ft
    choppy
    WNW
    12mph
    3.2ft
    6s
    W
    12pm
    2-3 ft
    choppy
    WNW
    14mph
    3.4ft
    6s
    WSW
    6pm
    2-3+ ft
    choppy
    WNW
    14mph
    4ft
    7s
    WSW
  • Best Surf Trip
    Your Surf Trip, Guided by Locals. Includes Hotel + Boards.
  • Friday, Jan 2
    SURF WIND SWELL
    6am
    2-3+ ft
    choppy
    WNW
    13mph
    4ft
    7s
    WSW
    12pm
    2+ ft
    choppy
    NW
    9mph
    3.2ft
    6s
    WSW
    6pm
    2 ft
    choppy
    NW
    9mph
    2.7ft
    6s
    WSW
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This forecast is for South-West facing beaches, and was updated Dec 29, 2025 @ 8:46pm.
Read more about the Surf Captain forecasts.