Cap St Louis Surf Break

Lat Long: 43.18° N 5.68° E

Cap St Louis 48 hour detailed Surf Forecast

Issued: 1 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cap St Louis sea temperature is
27.3° C
4.0° 

Cap St Louis surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Cap St Louis today (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 2.5ft (0.7m), 4s period with W swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 4ft (1.2m), 5s period with W swell.
  • Evening surf: Evening surf (17 Aug, local time) - 4.5ft (1.4m), 6s period with W swell.

The current surf forecast for Cap St Louis at 5AM is: 0.5m 4s primary swell from a West direction (forecast issued at 01:00am August 17). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (17 Aug)2.5ft (0.7m)4s
Afternoon (17 Aug)4ft (1.2m)5s
Evening (17 Aug)4.5ft (1.4m)6s

Table - waves today at Cap St Louis. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 33°C on Mon night, min 26°C on Mon morning). Winds decreasing (strong winds from the NW on Mon night, calm by Tue night).

Monday
17
Tuesday
18
Wednesday
19
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
W
4
0.5
W
4
0.7
W
4
0.8
WNW
4
1.1
W
5
1.4
W
5
1.4
W
6
1.5
W
6
1.4
WNW
5
1.4
WNW
5
1.3
WNW
6
1.3
W
6
1.8
WNW
7
1.4
W
7
1.6
W
6
1.2
W
6
1.1
W
5
1
W
5
1
WNW
5
0.6
W
4
0.7
W
4
0.6
WSW
4
0.6
WSW
4
0.7
WSW
4
Wave Graph
Metric surfscale
Energy kJ
16
7
15
24
51
104
125
171
111
102
113
128
308
168
188
92
71
51
47
14
17
15
14
15
Wind (km/h)
10
NW
15
WNW
15
NW
25
WNW
35
WNW
35
W
35
NW
40
NW
35
NW
30
NW
20
NW
15
NW
15
W
25
W
30
WNW
10
NW
10
NNW
5
NNE
5
NW
15
WNW
20
W
15
WSW
15
WSW
15
W
Wind State
cross-off
cross
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
glassy
cross-off
cross
cross-on
cross-on
cross-on
cross
High Tide
00:14AM0.24m
12:31PM0.18m
00:44AM0.21m
1:23PM0.18m
1:14AM0.19m
2:26PM0.17m
Low Tide
6:41AM0.05m
6:22PM0.06m
7:13AM0.06m
7:10PM0.09m
7:48AM0.07m
8:14PM0.11m
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:45
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:36
8:34
 mm
Temp °C
27
26
26
29
31
32
33
31
30
29
27
30
33
33
32
31
28
27
27
30
31
30
28
27
Feels °C
27
26
25
25
26
28
27
25
24
25
24
28
31
30
28
30
28
29
28
28
29
30
28
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cap St Louis surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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