The surf forecast is flat right now for Marathon, ON

WEATHER FORECAST
61° N @ 11mph
BUOY 45136
1.3ft @ 3s
WATER TEMP
60° 3/2 Wetsuit

Forecast

SAT 22

SUN 23

MON 24

TUE 25

WED 26

9pm

Clean
Fair
Choppy

Conditions are flat and clean at 9pm on Sat 8/22

WINDN 11 mph

PRIMARYNNW (337) 0.2 ft @ 2 sec

SECONDARY

No Tide Data

Forecast Details

Basic

Detail

Forecast

History

Saturday, Aug 22
SURF WIND SWELL
6am
flat
clean

N

3mph
0.5ft
4s
S
12pm
flat
fair

NNW

6mph
0.3ft
3s
S
6pm
flat
choppy

NNW

13mph
0.2ft
3s
S

Sunday, Aug 23
SURF WIND SWELL
6am
flat
fair

N

11mph
0.3ft
3s
NW
12pm
flat
fair

N

11mph
0.5ft
3s
NNW
6pm
flat
fair

NNW

6mph
0ft
2s
WNW

Monday, Aug 24
SURF WIND SWELL
6am
flat
fair

NNW

7mph
0.3ft
3s
W
12pm
flat
clean

N

9mph
0.5ft
4s
WSW
6pm
0-1 ft
fair

N

7mph
0.8ft
3s
WSW

Tuesday, Aug 25
SURF WIND SWELL
6am
flat
clean

NE

5mph
0.5ft
3s
WSW
12pm
flat
fair

SW

5mph
0.3ft
3s
WSW
6pm
flat
fair

SSW

5mph
0ft
3s
WSW

Wednesday, Aug 26
SURF WIND SWELL
6am
flat
clean

ESE

5mph
0.4ft
3s
S
12pm
1 ft
clean

E

7mph
1.8ft
5s
S
6pm
0-1 ft
clean

E

7mph
1.4ft
4s
S

	SURF	WIND	SWELL
6am	flat clean	N 3mph	0.5ft 4s S
12pm	flat fair	NNW 6mph	0.3ft 3s S
6pm	flat choppy	NNW 13mph	0.2ft 3s S

	SURF	WIND	SWELL
6am	flat fair	N 11mph	0.3ft 3s NW
12pm	flat fair	N 11mph	0.5ft 3s NNW
6pm	flat fair	NNW 6mph	0ft 2s WNW

	SURF	WIND	SWELL
6am	flat fair	NNW 7mph	0.3ft 3s W
12pm	flat clean	N 9mph	0.5ft 4s WSW
6pm	0-1 ft fair	N 7mph	0.8ft 3s WSW

	SURF	WIND	SWELL
6am	flat clean	NE 5mph	0.5ft 3s WSW
12pm	flat fair	SW 5mph	0.3ft 3s WSW
6pm	flat fair	SSW 5mph	0ft 3s WSW

	SURF	WIND	SWELL
6am	flat clean	ESE 5mph	0.4ft 3s S
12pm	1 ft clean	E 7mph	1.8ft 5s S
6pm	0-1 ft clean	E 7mph	1.4ft 4s S

Check 16-days forecast with
Surf Captain Pro

Upgrade to Pro

This forecast is for South-West facing beaches, and was updated Aug 22, 2026 @ 3:47pm.

Read more about the Surf Captain forecasts.

Forecast Services

Surf Captain Mobile

Surf Captain Widgets

Add Surf Captain Widgets to your website. Choose from two different widget types to provide the 3 day surf forecast or current conditions on your site.

View Service

Surf Etiquette Guide

We created the Surf Captain Surf Etiquette guide to hand out to surf schools and surf shops to help educate the new wave of beginner surfers. Free for those willing to help educate.

View Service

Cross Promotional Tide Charts

The Surf Captain cross promotional tide charts offer you and your business and easy and inexpensive way to market your brand. The tide charts are 3 months front, and 3 months back, with your logo and business info on the top of each side.

View Service

Surf Captain Mini Handbook

The Surf Captain Mini Handbooks - A Simple Guide to Surf Forecasting. The Mini Handbook is a trifold brochure providing the basic understandings of ocean wave science and surf forecasting.

View Service