The surf forecast is flat right now for Marathon, ON

WEATHER - LIVE
50° W @ 9 → 11mph
BUOY 45136
1.3ft @ 3s
WATER TEMP
40° 5/4+, Boots/Gloves(5+)

Forecast

SAT 18

SUN 19

MON 20

TUE 21

WED 22

2pm

Clean
Fair
Choppy

Conditions are flat and choppy at 2pm on Sat 7/18

WINDN 14 mph

PRIMARYS (186) 0.5 ft @ 4 sec

SECONDARYWSW (255) 0.3 ft @ 3 sec

No Tide Data

Forecast Details

Basic

Detail

Forecast

History

Saturday, Jul 18
SURF WIND SWELL
6am
0-1 ft
fair

NW

4mph
0.7ft
3s
S
12pm
flat
fair

N

13mph
0.5ft
4s
S
6pm
flat
clean

N

9mph
0.3ft
4s
S

Sunday, Jul 19
SURF WIND SWELL
6am
flat
fair

SSW

5mph
0ft
3s
WSW
12pm
flat
fair

SSW

6mph
0.2ft
3s
WSW
6pm
flat
choppy

SSW

7mph
0.2ft
3s
WSW

Monday, Jul 20
SURF WIND SWELL
6am
flat
fair

S

3mph
0.3ft
2s
SSW
12pm
0-1 ft
choppy

S

8mph
0.8ft
3s
S
6pm
0-1 ft
choppy

S

9mph
1.3ft
3s
S

Tuesday, Jul 21
SURF WIND SWELL
6am
0-1 ft
fair

NW

5mph
0.7ft
4s
S
12pm
0-1 ft
choppy

N

15mph
0.8ft
4s
S
6pm
flat
choppy

N

14mph
0.3ft
4s
WSW

Wednesday, Jul 22
SURF WIND SWELL
6am
flat
fair

NNW

5mph
0.5ft
4s
WSW
12pm
flat
choppy

W

17mph
0.3ft
4s
WSW
6pm
0-1 ft
fair

WSW

7mph
1.2ft
4s
WSW

	SURF	WIND	SWELL
6am	0-1 ft fair	NW 4mph	0.7ft 3s S
12pm	flat fair	N 13mph	0.5ft 4s S
6pm	flat clean	N 9mph	0.3ft 4s S

	SURF	WIND	SWELL
6am	flat fair	SSW 5mph	0ft 3s WSW
12pm	flat fair	SSW 6mph	0.2ft 3s WSW
6pm	flat choppy	SSW 7mph	0.2ft 3s WSW

	SURF	WIND	SWELL
6am	flat fair	S 3mph	0.3ft 2s SSW
12pm	0-1 ft choppy	S 8mph	0.8ft 3s S
6pm	0-1 ft choppy	S 9mph	1.3ft 3s S

	SURF	WIND	SWELL
6am	0-1 ft fair	NW 5mph	0.7ft 4s S
12pm	0-1 ft choppy	N 15mph	0.8ft 4s S
6pm	flat choppy	N 14mph	0.3ft 4s WSW

	SURF	WIND	SWELL
6am	flat fair	NNW 5mph	0.5ft 4s WSW
12pm	flat choppy	W 17mph	0.3ft 4s WSW
6pm	0-1 ft fair	WSW 7mph	1.2ft 4s WSW

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This forecast is for South-West facing beaches, and was updated Jul 18, 2026 @ 9:34am.

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