The surf forecast is flat right now for Marathon, ON

  • WEATHER - LIVE
    61° WSW @ 2mph
  • BUOY 45136
    0.3ft @ 3s
  • WATER TEMP
    40° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
THU 3
FRI 4
SAT 5
SUN 6
MON 7
2am
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 2am on Thu 7/3
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND N 2 mph
Primary Swell Arrow
PRIMARY SW (230) 0.5 ft @ 4 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Thursday, Jul 3
    SURF WIND SWELL
    6am
    flat
    clean
    NNE
    3mph
    0.5ft
    3s
    SW
    12pm
    flat
    fair
    WSW
    5mph
    0.3ft
    3s
    SW
    6pm
    flat
    fair
    SW
    6mph
    0.2ft
    4s
    SW
  • Best Board for Thursday
  • Friday, Jul 4
    SURF WIND SWELL
    6am
    flat
    fair
    SE
    4mph
    0ft
    0s
    S
    12pm
    1 ft
    choppy
    S
    11mph
    1.9ft
    4s
    S
    6pm
    1 ft
    choppy
    S
    10mph
    1.9ft
    4s
    S
  • Saturday, Jul 5
    SURF WIND SWELL
    6am
    1+ ft
    choppy
    S
    10mph
    2.3ft
    5s
    S
    12pm
    1 ft
    fair
    SW
    7mph
    1.5ft
    4s
    S
    6pm
    0-1 ft
    clean
    N
    3mph
    1.1ft
    4s
    S
  • Sunday, Jul 6
    SURF WIND SWELL
    6am
    flat
    clean
    NNE
    11mph
    0.5ft
    4s
    SW
    12pm
    flat
    clean
    NE
    12mph
    0.4ft
    4s
    WSW
    6pm
    flat
    clean
    NNE
    5mph
    0.4ft
    4s
    SW
  • Best Surf Trip
    Your Surf Trip, Guided by Locals. Includes Hotel + Boards.
  • Monday, Jul 7
    SURF WIND SWELL
    6am
    flat
    clean
    N
    1mph
    0ft
    0s
    S
    12pm
    flat
    fair
    SSW
    7mph
    0ft
    0s
    S
    6pm
    flat
    fair
    SSW
    4mph
    0ft
    0s
    S
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This forecast is for South-West facing beaches, and was updated Jul 3, 2025 @ 4:20pm.
Read more about the Surf Captain forecasts.