Cap Sim Surf Break

Lat Long: 31.39° N 9.84° W

Cap Sim 48 hour detailed Surf Forecast

Issued: 6 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cap Sim sea temperature is
18.2°C
3.2° 

Cap Sim 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 Sim today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 10s period with NNW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 6.5ft (2.0m), 10s period with NNW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 7ft (2.1m), 10s period with NNW swell.

The current surf forecast for Cap Sim at 3PM is: 2.0m 10s primary swell from a North-northwest direction (forecast issued at 06:00am September 18). The wind direction is predicted to be cross-offshore.

Time (+01) & DateWave HeightWave Period
Morning (18 Sep)6ft (1.9m)10s
Afternoon (18 Sep)6.5ft (2.0m)10s
Evening (18 Sep)7ft (2.1m)10s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Sun night, min 20°C on Fri night). Winds decreasing (fresh winds from the N on Fri afternoon, calm by Sat night).

Friday
18
Saturday
19
Sunday
20
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
3
3
3
1
1
0
2
2
3
3
2
1
1
3
3
3
3
3
2
1
2
2
3
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)
1.8
NNW
10
1.8
NNW
10
1.9
NNW
10
2
NNW
10
2.1
NNW
10
2.1
NNW
10
2.1
NNW
10
2.1
NNW
10
2
NNW
9
1.9
NNW
9
1.8
NNW
9
1.7
NNW
9
1.7
NNW
9
1.2
NNW
15
1.2
NNW
15
1.1
NW
15
0.9
NNW
14
1
NW
14
0.9
NW
14
0.9
NW
13
0.9
NW
13
0.9
NNW
13
1.3
NNW
13
Wave Graph
Metric surfscale
Energy kJ
603
603
731
788
846
846
804
788
673
585
499
436
447
592
584
489
357
390
272
257
249
299
587
Wind (km/h)
20
NNE
20
NE
25
NNE
30
N
35
N
35
N
35
NNE
25
NNE
20
NNE
20
NNE
25
NNE
25
N
25
N
20
N
20
NNE
10
N
5
NW
0
S
5
SSW
10
WSW
5
N
15
NNE
20
NNE
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
glassy
glassy
cross-on
cross-off
off
off
High Tide
7:38PM1.81m
8:16AM1.89m
9:22PM1.72m
10:04AM1.89m
Low Tide
1:12PM0.98m
1:30AM1.10m
2:46PM1.11m
3:18AM1.18m
4:42PM1.06m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:42
7:39
7:38
 mm
Temp °C
19
19
21
22
22
22
21
21
20
20
23
24
23
22
22
23
22
22
23
24
24
25
27
Feels °C
17
17
19
18
18
18
17
18
19
18
21
22
22
22
22
23
24
25
25
25
26
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
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 Sim 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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