Cap St Louis Surf Break

Lat Long: 43.18° N 5.68° E

Cap St Louis 48 hour detailed Surf Forecast

Issued: 1 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cap St Louis sea temperature is
26.8° C
3.5° 

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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.7m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 5s period with SSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 5s period with SW swell.

The current surf forecast for Cap St Louis at 8AM is: 0.6m 5s primary swell from a South direction and 0.4m 5s secondary swell from a South direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (20 Aug)2.5ft (0.7m)5s
Afternoon (20 Aug)2.5ft (0.8m)5s
Evening (20 Aug)3ft (0.9m)5s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Fri morning. Warm (max 28°C on Thu morning, min 23°C on Sat morning). Winds increasing (calm on Thu night, fresh winds from the W by Fri afternoon).

Thursday
20
Friday
21
Saturday
22
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
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
4
0.4
SW
4
0.6
S
5
0.6
SSW
5
0.7
SSW
5
0.9
SW
5
0.9
SW
5
0.8
SSW
5
0.6
SW
6
0.6
SW
6
0.7
SSW
6
0.6
SW
6
0.8
SSW
6
1.2
W
8
0.8
SW
7
0.8
SW
7
0.9
SW
7
1
WNW
5
1
WNW
5
0.9
WNW
5
0.9
WNW
5
1
W
5
1.1
W
5
0.9
W
4
Wave Graph
Metric surfscale
Energy kJ
5
4
18
20
28
49
41
36
25
24
33
27
45
163
65
69
65
58
58
44
37
43
52
33
Wind (km/h)
5
ESE
5
E
10
SE
15
SSE
20
SSW
15
W
5
WSW
10
SSW
5
NW
10
S
5
WNW
15
WNW
25
WNW
30
W
20
W
15
NW
15
NW
20
NW
15
NW
20
WNW
25
WNW
25
W
20
W
15
WNW
Wind State
glassy
glassy
cross
cross-on
on
cross-on
cross-on
on
glassy
cross-on
glassy
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
High Tide
1:47AM0.16m
3:57PM0.17m
2:41AM0.15m
5:34PM0.18m
4:16AM0.14m
6:47PM0.20m
Low Tide
8:35AM0.07m
10:04PM0.13m
9:42AM0.08m
00:26AM0.12m
11:04AM0.07m
cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
clear
clear
part cloud
cloud
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:30
8:30
 mm
1
1
2
4
Temp °C
26
26
26
28
28
27
26
25
25
25
24
25
28
27
26
26
25
24
23
26
28
28
27
25
Feels °C
31
30
30
31
30
28
29
27
28
26
27
25
25
23
23
24
22
21
20
22
22
23
23
22
  • 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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