Cap St Louis Surf Break

Lat Long: 43.18° N 5.68° E

Cap St Louis 48 hour detailed Surf Forecast

Issued: 1 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cap St Louis sea temperature is
27.6° C
4.3° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 4ft (1.2m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 6s period with W swell.
  • Evening surf: Evening surf (18 Aug, local time) - 5ft (1.5m), 6s period with W swell.

The current surf forecast for Cap St Louis at 10PM is: 1.3m 6s primary swell from a West direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (18 Aug)4ft (1.2m)6s
Afternoon (18 Aug)4.5ft (1.4m)6s
Evening (18 Aug)5ft (1.5m)6s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Fri morning. Warm (max 33°C on Tue afternoon, min 25°C on Fri morning). Mainly fresh winds.

Tue
18
Wednesday
19
Thursday
20
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
1
0
0
0
0
0
0
0
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
Wave
Height (m)
Direction
Period (s)
1.2
W
6
1.2
W
6
1.7
W
6
1.6
W
6
1.2
W
6
1
W
6
1.1
W
5
1
W
5
0.7
WSW
5
0.6
WSW
5
0.5
SW
5
0.6
SW
4
0.5
SW
4
0.5
SW
4
0.5
SW
4
0.5
SW
4
0.7
SSW
5
0.8
SSW
5
0.9
SW
5
0.9
SW
5
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
112
109
212
188
89
62
65
46
22
16
11
12
8
8
9
9
19
33
45
39
86
Wind (km/h)
20
NW
25
W
35
W
30
WNW
15
WNW
10
NW
5
N
5
NW
10
W
15
WSW
15
SW
10
SSW
5
SSE
10
E
10
ESE
15
SE
15
SSE
15
SSW
15
SSW
10
S
10
SSE
Wind State
cross-off
cross
cross
cross
cross
cross-off
glassy
glassy
cross-on
cross-on
cross-on
on
glassy
cross-off
cross
cross
cross-on
on
on
on
cross-on
High Tide
1:23PM0.18m
1:14AM0.19m
2:26PM0.17m
1:47AM0.16m
3:57PM0.17m
Low Tide
7:10PM0.09m
7:48AM0.07m
8:14PM0.11m
8:35AM0.07m
10:04PM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
thunderstorm
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:36
8:34
8:32
 mm
1
Temp °C
29
32
33
32
31
28
27
26
29
30
29
27
26
26
26
26
28
28
28
27
26
Feels °C
26
29
28
29
29
26
28
27
29
28
30
30
30
29
29
30
32
31
29
30
29
  • 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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