Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 1 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
13.0° C
2.3° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 5.5ft (1.7m), 19s period with WSW swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.8m), 18s period with SW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 6.5ft (2.0m), 17s period with WSW swell.

The current surf forecast for Jacobs Bay at 9AM is: 1.7m 19s primary swell from a West-southwest direction and 1.1m 10s secondary swell from a South direction (forecast issued at 01:00am August 12). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (12 Aug)5.5ft (1.7m)19s
Afternoon (12 Aug)6ft (1.8m)18s
Evening (12 Aug)6.5ft (2.0m)17s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Thu afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the NNE on Thu morning, calm by Fri night).

Wednesday
12
Thursday
13
Friday
14
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
4
4
4
4
4
4
1
1
2
2
0
1
3
4
3
2
2
2
2
2
3
4
4
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)
1.4
WSW
21
1.5
WSW
20
1.7
WSW
20
1.8
SW
18
1.8
SW
18
1.9
WSW
18
2
WSW
17
1.9
SW
17
1.9
SW
16
1.5
SW
19
1.9
SW
16
2.3
SW
17
2.2
WSW
17
2.2
WSW
16
2.1
WSW
16
2.1
WSW
16
2.1
WSW
16
1.9
WSW
15
1.9
WSW
15
1.9
WSW
15
1.9
WSW
15
1.9
WSW
14
1.9
WSW
14
1.8
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1717
1809
2065
2134
2019
2138
2351
2037
1916
1660
1694
3146
2964
2599
2257
2257
2109
1698
1654
1475
1559
1538
1454
1244
Wind (km/h)
30
E
25
E
25
E
20
E
15
ENE
25
ESE
20
E
40
NE
45
NE
45
NE
45
NNE
45
NNE
30
N
15
NW
15
NNE
20
NNE
15
N
15
N
15
NW
20
NNW
20
WNW
15
WSW
5
SSW
0
NE
Wind State
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
on
glassy
glassy
High Tide
2:47AM1.55m
3:13PM1.64m
3:30AM1.59m
3:52PM1.70m
4:09AM1.58m
4:29PM1.71m
Low Tide
9:01AM0.03m
9:27PM0.05m
9:39AM-0.01m
10:07PM0.01m
10:16AM0.00m
10:45PM0.03m
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:28
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:19
 mm
Temp °C
17
15
16
18
22
24
24
22
21
21
20
21
25
21
18
19
21
19
17
17
17
15
14
14
Feels °C
10
9
10
12
17
18
19
13
11
11
11
11
18
17
14
14
16
14
13
13
14
13
14
15
  • 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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