Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 1 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
13.9° C
1.4° 

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 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 6ft (1.9m), 10s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.6m), 9s period with SW swell.
  • Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.1m), 8s period with SW swell.

The current surf forecast for Jacobs Bay at 6AM is: 2.1m 10s primary swell from a Southwest direction and 0.8m 10s secondary swell from a West direction (forecast issued at 01:00am July 20). The wind direction is predicted to be glassy and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (20 Jul)6ft (1.9m)10s
Afternoon (20 Jul)5ft (1.6m)9s
Evening (20 Jul)3.5ft (1.1m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Mon night, min 12°C on Tue morning). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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
3
3
3
1
1
2
3
3
3
4
2
2
!
3
3
3
3
4
3
3
4
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)
2.3
SW
11
2.1
SW
10
1.9
SW
10
1.8
SW
9
1.6
SW
9
1.6
SW
9
1.1
SW
8
1.1
SW
8
0.8
SSW
16
0.9
SSW
15
1.3
SSW
15
2.1
SSW
14
2.5
SW
14
2.5
SW
14
3
SW
13
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.3
SW
12
2.3
SW
12
2.1
SW
12
2.2
SW
12
2.1
SW
12
1.9
SW
12
Wave Graph
Metric surfscale
Energy kJ
1211
934
724
549
437
379
151
151
330
403
665
1784
2448
2609
2681
2419
2088
1908
1643
1494
1292
1404
1169
1013
Wind (km/h)
5
S
5
SSW
5
ESE
0
ESE
5
WSW
10
WSW
10
WSW
10
SW
5
SE
5
E
10
E
10
SE
15
S
20
S
20
S
20
S
10
S
10
S
10
SSW
10
SW
10
WSW
15
WSW
10
NW
15
NW
Wind State
cross
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
cross-off
off
off
cross-off
cross
cross
cross
cross-off
cross
cross
cross-on
cross-on
on
on
cross-on
cross-on
High Tide
7:25AM1.19m
7:46PM1.32m
8:18AM1.09m
8:38PM1.21m
9:25AM1.02m
9:45PM1.12m
Low Tide
1:25AM0.33m
1:22PM0.40m
2:14AM0.43m
2:11PM0.52m
3:15AM0.51m
3:17PM0.61m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:47
7:46
7:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:02
 mm
Temp °C
13
13
13
13
14
14
14
15
14
13
12
13
14
13
13
13
13
13
13
14
14
14
14
14
Feels °C
12
13
13
13
13
12
12
14
13
12
10
11
11
9
9
9
11
11
11
12
11
11
12
11
  • 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.


Nearest locationNearest