Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 1 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
11.6°C
4.0° 

Jacobs Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Jacobs Bay today (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 6ft (1.9m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 5.5ft (1.7m), 13s period with WSW swell.

The current surf forecast for Jacobs Bay at 10PM is: 1.6m 13s primary swell from a West-southwest direction and 1.0m 5s secondary swell from a South direction (forecast issued at 01:00pm September 20). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Sep)6ft (1.9m)13s
Afternoon (20 Sep)6ft (1.8m)13s
Evening (20 Sep)5.5ft (1.7m)13s

Table - waves today at Jacobs Bay. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 26°C on Tue morning, min 15°C on Tue night). Wind will be generally light.

Sun
20
Monday
21
Tuesday
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)
4
2
2
1
3
3
1
3
2
2
1
3
2
3
3
3
0
0
1
2
2
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)
1.9
SW
13
1.8
SW
13
1.8
SW
13
1.7
WSW
13
1.6
WSW
12
1.5
WSW
12
1.4
WSW
12
1.3
WSW
12
1.3
WSW
12
1.2
SW
12
1.2
WSW
12
1.2
SW
11
1.1
SW
11
1.1
SW
11
1.1
SW
11
1.1
SW
11
1.2
SSW
13
1.1
SW
13
1.1
SW
12
1.3
SW
12
1.3
SW
12
Wave Graph
Metric surfscale
Energy kJ
1200
1094
1077
890
797
647
554
480
472
414
359
373
283
314
314
297
458
424
379
442
478
Wind (km/h)
10
SSE
20
SSW
20
S
15
S
15
S
10
SSE
15
S
15
SSE
15
S
10
SSW
15
S
15
SSE
10
SE
15
ESE
15
E
10
NNE
25
N
20
NW
10
WSW
5
ESE
5
SW
Wind State
cross-off
cross
cross
cross
cross-off
cross-off
cross
cross-off
cross
cross-on
cross
cross-off
cross-off
off
off
cross-off
cross
cross-on
on
glassy
cross-on
High Tide
11:18AM0.97m
11:38PM1.01m
12:24PM1.09m
00:33AM1.12m
1:01PM1.23m
Low Tide
5:48PM0.68m
6:11AM0.56m
6:42PM0.56m
6:52AM0.44m
7:17PM0.43m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:43
6:44
 mm
Temp °C
26
25
22
24
22
22
19
20
24
24
24
25
25
25
25
24
26
20
18
16
16
Feels °C
25
22
19
21
20
20
17
18
23
23
22
23
24
24
24
23
22
17
17
17
16
  • 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 Jacobs Bay 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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