Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 7 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
14.0° C
1.3° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 4ft (1.2m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 14s period with SW swell.
  • Evening surf: Evening surf (18 Jul, local time) - 5ft (1.5m), 12s period with SW swell.

The current surf forecast for Jacobs Bay at 1PM is: 0.9m 14s primary swell from a Southwest direction and 1.1m 9s secondary swell from a Southwest direction (forecast issued at 07:00am July 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Jul)4ft (1.2m)9s
Afternoon (18 Jul)3ft (0.9m)14s
Evening (18 Jul)5ft (1.5m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
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)
1
2
2
3
3
4
3
3
3
3
3
3
2
3
3
4
2
3
2
2
2
0
2
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
SW
10
1.3
SW
9
1
SW
9
0.9
SW
14
1.1
SW
13
1.5
SW
12
1.5
SW
12
1.3
SW
12
1.4
SW
12
1.3
SW
12
1.3
SW
12
1.3
SW
12
1.4
SW
11
1.6
SW
11
1.7
SW
11
1.9
SW
11
1.9
SW
10
1.9
SW
10
1.7
SW
9
1.7
SSW
9
1.6
SW
9
0.9
SW
10
1
SSW
8
Wave Graph
Metric surfscale
Energy kJ
377
269
166
304
374
677
666
528
565
503
503
494
501
617
676
894
815
678
513
450
380
163
140
Wind (km/h)
10
S
5
SE
0
NNW
10
WNW
10
WNW
5
W
5
W
5
WNW
10
NW
5
WNW
5
WNW
10
WSW
15
SSW
15
SSE
15
SSE
10
SSE
10
S
10
SSE
5
S
10
SSW
15
S
15
S
15
SSE
Wind State
cross
glassy
glassy
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross
cross-off
cross
cross-on
cross
cross
cross-off
High Tide
5:56AM1.41m
6:19PM1.54m
6:39AM1.30m
7:01PM1.44m
7:25AM1.19m
7:46PM1.32m
Low Tide
12:00PM0.17m
00:39AM0.23m
12:40PM0.28m
1:25AM0.33m
1:22PM0.40m
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:47
7:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:01
 mm
Temp °C
15
15
16
17
16
15
15
15
15
14
15
16
15
14
14
14
13
13
14
14
14
14
14
Feels °C
14
15
17
16
15
15
15
15
15
14
14
15
14
12
12
13
11
11
12
11
11
11
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.


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