The surf forecast is flat right now for Marathon, ON

  • WEATHER FORECAST
    49° W @ 0mph
  • BUOY FORECAST
    WSW0.3ft @ 2s
  • WATER TEMP
    36° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
SUN 25
MON 26
TUE 27
WED 28
THU 29
2am
  • Clean
  • Fair
  • Choppy
Conditions are flat and clean at 2am on Sun 5/25
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND N 3 mph
Primary Swell Arrow
PRIMARY S (180) 0 ft @ 0 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Sunday, May 25
    SURF WIND SWELL
    6am
    flat
    clean
    N
    5mph
    0ft
    0s
    S
    12pm
    flat
    clean
    N
    5mph
    0ft
    0s
    S
    6pm
    flat
    clean
    WSW
    3mph
    0ft
    0s
    S
  • Best Board for Sunday
  • Monday, May 26
    SURF WIND SWELL
    6am
    flat
    clean
    NE
    4mph
    0ft
    0s
    S
    12pm
    flat
    clean
    SW
    4mph
    0ft
    0s
    S
    6pm
    flat
    fair
    SW
    7mph
    0ft
    0s
    S
  • Tuesday, May 27
    SURF WIND SWELL
    6am
    flat
    clean
    NNE
    3mph
    0ft
    0s
    S
    12pm
    flat
    clean
    WSW
    2mph
    0ft
    0s
    S
    6pm
    flat
    fair
    SW
    6mph
    0ft
    0s
    S
  • Wednesday, May 28
    SURF WIND SWELL
    6am
    flat
    fair
    WNW
    5mph
    0ft
    0s
    S
    12pm
    flat
    fair
    WNW
    6mph
    0ft
    0s
    S
    6pm
    flat
    choppy
    W
    11mph
    0ft
    0s
    S
  • Thursday, May 29
    SURF WIND SWELL
    6am
    flat
    clean
    SW
    3mph
    0ft
    0s
    S
    12pm
    flat
    fair
    SW
    8mph
    0ft
    0s
    S
    6pm
    flat
    fair
    SW
    7mph
    0.3ft
    2s
    WSW
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This forecast is for South-West facing beaches, and was updated May 25, 2025 @ 4:19pm.
Read more about the Surf Captain forecasts.