The surf forecast is 0-1 ft and semi glassy/bumpy right now for Marathon, ON

  • WEATHER - LIVE
    30° NE @ 2mph
  • BUOY FORECAST
    SW0.9ft @ 5s
  • WATER TEMP
    32° 5/4+, Boots/Gloves(5+)

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
FRI 10
SAT 11
SUN 12
MON 13
TUE 14
8pm
  • Clean
  • Fair
  • Choppy
Conditions are 2+ ft and fair at 8pm on Thu 4/9
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND WNW 4 mph
Primary Swell Arrow
PRIMARY SW (231) 3 ft @ 7 sec
Secondary Swell Arrow
SECONDARY
No Tide Data

Forecast Details

Basic
Detail
  • Friday, Apr 10
    SURF WIND SWELL
    6am
    1 ft
    clean
    NE
    6mph
    1.4ft
    6s
    SW
    12pm
    0-1 ft
    fair
    WSW
    7mph
    0.8ft
    5s
    SW
    6pm
    0-1 ft
    fair
    SW
    9mph
    0.5ft
    4s
    WSW
  • Saturday, Apr 11
    SURF WIND SWELL
    6am
    0-1 ft
    clean
    S
    2mph
    1ft
    4s
    SW
    12pm
    0-1 ft
    fair
    SSW
    4mph
    0.7ft
    4s
    SW
    6pm
    flat
    choppy
    S
    7mph
    0.4ft
    3s
    SW
  • Sunday, Apr 12
    SURF WIND SWELL
    6am
    1+ ft
    choppy
    SSE
    14mph
    3.3ft
    5s
    S
    12pm
    2-4 ft
    choppy
    SSE
    22mph
    6ft
    6s
    S
    6pm
    2-4 ft
    choppy
    SSE
    16mph
    5.9ft
    7s
    S
  • Monday, Apr 13
    SURF WIND SWELL
    6am
    1+ ft
    fair
    NNW
    4mph
    2.1ft
    5s
    S
    12pm
    1 ft
    clean
    NNW
    4mph
    1.4ft
    5s
    S
    6pm
    0-1 ft
    clean
    ENE
    4mph
    0.9ft
    5s
    S
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  • Tuesday, Apr 14
    SURF WIND SWELL
    6am
    flat
    clean
    ENE
    11mph
    0.4ft
    4s
    SW
    12pm
    flat
    clean
    ENE
    13mph
    0.8ft
    5s
    SSE
    6pm
    flat
    clean
    NE
    13mph
    0.3ft
    4s
    SSE
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This forecast is for South-West facing beaches, and was updated Apr 10, 2026 @ 9:41am.
Read more about the Surf Captain forecasts.