Cap St Louis Surf Break

Lat Long: 43.18° N 5.68° E

Cap St Louis 48 hour detailed Surf Forecast

Issued: 7 am 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 (0.7m), 5s period with SSW swell.

The current surf forecast for Cap St Louis at 2PM is: 0.8m 5s primary swell from a South-southwest direction (forecast issued at 07:00am August 20). The wind direction is predicted to be onshore.

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 (0.7m)5s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 28°C on Thu morning, min 22°C on Sat morning). Winds increasing (calm on Thu night, fresh winds from the WNW by Sat afternoon).

Thursday
20
Friday
21
Saturday
22
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
1
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
S
5
0.6
SSW
5
0.8
SSW
5
0.8
SSW
5
0.7
SSW
5
0.6
SSW
5
0.6
SW
7
0.7
SW
6
0.9
SSW
6
1.1
SW
7
1.1
SW
7
1.4
WSW
7
1.5
WSW
7
1.2
W
6
0.9
SW
7
1
WNW
5
1
WNW
5
0.9
WNW
5
1
WNW
5
1
W
5
1.1
W
5
0.9
W
4
Wave Graph
Metric surfscale
Energy kJ
4
8
20
31
32
26
23
27
39
63
111
116
214
225
98
75
53
58
46
51
45
51
33
Wind (km/h)
5
ESE
10
SE
15
SSE
20
SSW
15
W
5
SW
15
SSW
5
ENE
0
WSW
5
SW
25
WNW
25
W
25
W
20
W
15
NW
15
NW
20
NW
20
NW
20
WNW
30
WNW
25
WNW
20
WNW
15
WNW
Wind State
cross
cross
cross-on
on
cross-on
on
on
glassy
glassy
on
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
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
clear
part cloud
thunderstorm
thunderstorm
clear
clear
clear
part 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>
6:47
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
2
2
4
3
Temp °C
26
26
28
27
27
26
25
25
24
24
24
27
27
27
26
25
24
22
26
28
28
27
25
Feels °C
30
30
31
29
29
29
27
28
28
26
22
24
24
24
25
23
21
19
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 

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