Cap St Louis Surf Break

Lat Long: 43.18° N 5.68° E

Cap St Louis 48 hour detailed Surf Forecast

Issued: 7 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cap St Louis sea temperature is
23.4° C
0.2° 

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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.4m), 6s period with W swell.
  • Evening surf: Evening surf (21 Aug, local time) - 5ft (1.5m), 6s period with W swell.

The current surf forecast for Cap St Louis at 3PM is: 1.4m 6s primary swell from a West direction and 0.5m 7s secondary swell from a South direction (forecast issued at 07:00am August 21). The wind direction is predicted to be cross-shore.

Time (CEST) & DateWave HeightWave Period
Morning (21 Aug)1.5ft (0.4m)6s
Afternoon (21 Aug)4.5ft (1.4m)6s
Evening (21 Aug)5ft (1.5m)6s

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 Sat afternoon, min 22°C on Sat morning). Winds decreasing (fresh winds from the WNW on Fri morning, calm by Sat night).

Friday
21
Saturday
22
Sunday
23
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
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)
0.5
SSE
5
0.4
SW
6
1.2
WNW
5
1.4
W
6
1.4
W
6
1.5
W
6
1.5
W
6
1.3
WNW
6
1.3
WNW
6
1
WNW
5
0.9
WNW
5
1
WNW
5
1
W
5
1
W
5
0.8
W
4
0.6
WNW
4
0.5
W
4
0.3
W
4
0.2
W
3
0.2
W
3
0.1
SW
6
0.4
ESE
3
0.1
S
6
Wave Graph
Metric surfscale
Energy kJ
14
13
69
117
148
167
151
106
98
58
42
49
43
42
24
13
8
2
1
1
1
5
1
Wind (km/h)
5
SE
10
SW
35
WNW
30
WNW
30
W
25
W
20
WNW
20
NW
20
NW
20
NW
25
WNW
25
WNW
25
WNW
20
W
15
WNW
10
NW
5
NE
5
E
5
SE
15
S
10
SSE
5
SSE
5
E
Wind State
cross-on
on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
glassy
cross-off
cross
cross-on
cross-on
cross-on
glassy
High Tide
2:41AM0.15m
5:34PM0.18m
4:16AM0.14m
6:47PM0.20m
5:57AM0.14m
7:36PM0.21m
Low Tide
9:42AM0.08m
00:26AM0.12m
11:04AM0.07m
1:33AM0.11m
12:13PM0.06m
thunderstorm
mod rain
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
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
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:30
8:28
 mm
5
6
2
Temp °C
26
24
24
26
27
27
26
25
23
22
25
28
28
27
25
24
24
24
27
28
27
26
25
Feels °C
29
25
20
21
23
24
23
22
19
19
21
22
23
23
22
22
23
23
26
28
28
28
27
  • 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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