Cap St Louis Surf Break

Lat Long: 43.18° N 5.68° E

Cap St Louis 48 hour detailed Surf Forecast

Issued: 1 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cap St Louis sea temperature is
24.8° C
1.6° 

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) - 1.5ft (0.4m), 5s period with S 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) - 2.5ft (0.8m), 5s period with SSW swell.

The current surf forecast for Cap St Louis at 9PM is: 0.8m 5s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a Southwest direction, 0.2m 4s secondary swell from a West direction (forecast issued at 01:00pm August 20). The wind direction is predicted to be glassy.

Time (CEST) & DateWave HeightWave Period
Morning (20 Aug)1.5ft (0.4m)5s
Afternoon (20 Aug)2.5ft (0.8m)5s
Evening (20 Aug)2.5ft (0.8m)5s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Fri morning. Warm (max 28°C on Thu afternoon, min 22°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Sat night).

Thu
20
Friday
21
Saturday
22
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)
0.6
SSW
5
0.8
SSW
5
0.8
SSW
5
0.8
SSW
5
0.7
SSW
5
0.9
SW
5
1.4
SW
6
1.3
SW
6
1.3
SW
7
1.4
WSW
7
1.3
WSW
7
0.9
SW
7
1.5
WSW
6
1.2
W
6
1.2
WNW
6
1
WNW
5
1
WNW
5
1.1
WNW
5
1
W
5
1.1
W
5
0.9
WNW
4
Wave Graph
Metric surfscale
Energy kJ
20
33
33
33
25
43
120
141
144
165
158
65
140
89
91
56
56
64
47
54
34
Wind (km/h)
10
SSE
20
S
20
WSW
10
SW
10
SW
10
NNE
10
ENE
15
SSW
25
NW
30
WNW
30
W
20
W
20
WNW
25
NW
25
NW
20
NW
25
WNW
30
WNW
30
WNW
20
WNW
15
WNW
Wind State
cross-on
on
cross-on
on
on
off
cross-off
on
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
High Tide
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
part cloud
thunderstorm
clear
clear
part cloud
cloud
thunderstorm
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>
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:30
8:30
 mm
2
2
3
2
Temp °C
29
28
28
26
25
25
24
24
25
26
27
27
26
25
23
22
25
28
28
27
25
Feels °C
32
29
30
29
28
28
26
25
23
22
23
25
24
21
19
19
20
22
22
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 

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