Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 1 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
13.7° C
1.8° 

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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 7ft (2.2m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 6ft (1.9m), 11s period with SW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 6.5ft (2.0m), 11s period with SW swell.

The current surf forecast for Jacobs Bay at 4PM is: 2.0m 11s primary swell from a Southwest direction and 1.0m 6s secondary swell from a South direction (forecast issued at 01:00pm August 21). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (21 Aug)7ft (2.2m)12s
Afternoon (21 Aug)6ft (1.9m)11s
Evening (21 Aug)6.5ft (2.0m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Fri afternoon, min 12°C on Sun night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
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
1
2
0
2
2
2
3
3
2
1
2
3
4
4
3
3
2
1
2
3
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
11
1.9
SW
11
2.1
SW
11
2
SW
11
2
SW
11
1.5
SSW
10
1.4
SSW
10
1.3
SSW
11
1.3
SSW
10
1.2
SSW
13
1.1
SSW
13
1.5
SW
11
1.8
SW
11
1.3
WSW
14
2.2
WSW
14
2.2
WSW
13
2.1
WSW
13
2.1
WSW
13
2.3
WSW
13
1.9
WSW
12
2.2
SW
12
Wave Graph
Metric surfscale
Energy kJ
914
882
1008
932
932
451
385
353
352
469
402
573
749
630
1805
1647
1465
1442
1622
1106
1392
Wind (km/h)
15
S
20
SSW
20
SSW
25
SSW
25
SSW
15
SSW
10
SSW
5
SSW
5
WSW
15
W
15
W
15
SW
5
SSE
10
SSE
10
SSE
15
SSE
15
SSE
25
SSW
25
S
25
S
25
S
Wind State
cross-off
cross
cross
cross-on
cross
cross
cross-on
glassy
cross-on
on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
9:51AM0.94m
10:26PM1.00m
11:52AM0.98m
00:05AM1.05m
12:56PM1.08m
Low Tide
3:58PM0.71m
5:33AM0.61m
6:09PM0.66m
6:45AM0.52m
7:07PM0.56m
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:23
6:24
 mm
Temp °C
14
15
14
13
13
13
13
14
15
15
15
15
15
14
13
13
14
15
14
14
14
Feels °C
11
11
10
9
9
11
12
14
14
12
12
13
15
13
12
11
11
11
9
9
9
  • 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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