Imsouane - La Cathedrale Surf Break

Lat Long: 30.84° N 9.82° W

Imsouane - La Cathedrale Surf Forecast and Surf Report

Issued: 12 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Imsouane - La Cathedrale sea temperature is
21.3°C
0.1° 

Imsouane - La Cathedrale surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Imsouane - La Cathedrale surf forecast from 13 Sep 2026:

  • Best quality surf: Friday 18 Sep, 4AM (local time) - 5ft (1.6m), 10s period, NNW swell with glassy winds.
  • Most powerful swell: Thursday 17 Sep, 4PM (local time) - 8ft (2.5m), 8s period, NNW swell with 824 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 10PM (local time) - 3ft (0.9m), 7s period with NNW swell.

Best Forecast Surf Conditions for Imsouane - La Cathedrale this week:

The surf forecast for Imsouane - La Cathedrale over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 13) at 10PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.4m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Imsouane - La Cathedrale in the next 16 days are 2.5m 8s and forecast to arrive on Thursday (Sep 17) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Sunday (Sep 13) at 7PM.

Wave TypeTime (+01) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 13th Sep)3ft (0.9m) 7s
Best Surf 4AM (Fri 18th Sep)5ft (1.6m) 10s
Most Powerful 4PM (Thu 17th Sep)8ft (2.5m) 8s

Table - best surf conditions forecast for Imsouane - La Cathedrale over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 37°C on Sun morning, min 28°C on Tue night). Winds decreasing (fresh winds from the SSE on Sun morning, calm by Mon morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 33°C on Wed morning, min 19°C on Thu night). Winds decreasing (fresh winds from the N on Wed morning, calm by Fri night).

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
1
1
2
0
0
1
0
0
0
1
0
2
2
0
2
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
NNW
7
0.9
NNW
7
0.4
NW
14
0.6
NW
13
0.8
NW
12
0.8
NW
11
0.7
NW
11
0.6
NW
11
1.1
N
6
1.1
N
6
2.1
NNW
6
1.9
NNW
7
2.2
NNW
8
2.5
NNW
8
2
NNW
10
1.5
NNW
10
1.7
NNW
10
1.7
NNW
10
1.6
NNW
10
1.4
NNW
9
0.9
NW
15
Wave Graph
Metric surfscale
Energy kJ
111
91
73
136
175
155
114
90
80
85
320
322
585
824
761
399
586
574
462
322
331
Wind (km/h)
35
SSE
10
WSW
10
E
5
NNW
10
NNW
10
ENE
10
N
10
NW
10
NE
20
N
35
NNW
25
N
15
N
25
NNW
10
N
10
NW
20
NNW
5
SSW
5
NNW
10
NNW
10
SSW
Wind State
cross-off
on
off
glassy
cross
cross-off
cross
cross-on
cross-off
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
High Tide
4:01PM2.93m
4:19AM2.75m
4:35PM2.74m
4:52AM2.61m
5:10PM2.50m
5:26AM2.43m
5:47PM2.25m
6:04AM2.23m
6:30PM2.01m
6:52AM2.03m
7:33PM1.81m
8:10AM1.89m
9:16PM1.72m
Low Tide
10:06PM0.12m
10:18AM0.20m
10:37PM0.29m
10:53AM0.36m
11:09PM0.49m
11:30AM0.56m
11:43PM0.71m
12:11PM0.77m
00:24AM0.92m
1:08PM0.98m
1:27AM1.10m
2:46PM1.11m
3:19AM1.18m
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:22
7:22
7:24
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:47
7:45
7:45
7:44
7:43
7:40
7:39
 mm
Temp °C
37
35
35
35
34
34
37
34
33
33
29
24
25
23
20
24
24
23
27
24
24
Feels °C
29
33
32
33
31
30
34
30
28
27
25
21
22
20
19
23
23
25
28
25
25
  • 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
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Information about the Imsouane - La Cathedrale Surf forecast

The above surf forecast table for Imsouane - La Cathedrale provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Imsouane - La Cathedrale can be found by selecting the local surf guide option on the grey menu. Our Imsouane - La Cathedrale surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Imsouane - La Cathedrale) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Imsouane - La Cathedrale may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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