Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 1 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
13.1° C
2.4° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 8ft (2.4m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 6ft (1.8m), 12s period with WSW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 13s period with SW swell.

The current surf forecast for Jacobs Bay at 8PM is: 3.0m 13s primary swell from a Southwest direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (SAST) & DateWave HeightWave Period
Morning (18 Aug)8ft (2.4m)13s
Afternoon (18 Aug)6ft (1.8m)12s
Evening (18 Aug)10ft (3.0m)13s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Tue afternoon, min 12°C on Tue night). Mainly fresh winds.

Tue
18
Wednesday
19
Thursday
20
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
1
1
!
!
!
!
!
!
1
1
2
3
3
3
!
!
!
!
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)
2.5
WSW
12
1.8
WSW
12
2.4
SW
13
3
SW
13
3
SW
12
3
SW
12
3
SW
12
3
SW
12
3
SW
12
2.5
SW
12
2.5
SW
12
2.4
SW
12
2.3
SW
12
2.3
SW
12
2.5
SW
12
3
SW
14
3.5
SW
13
3
SW
13
3
SW
13
2.5
SW
12
3
SW
12
Wave Graph
Metric surfscale
Energy kJ
1869
948
1952
2744
2834
2665
2495
2221
2185
1966
1830
1632
1565
1591
2111
3629
3732
3397
2757
2183
2254
Wind (km/h)
25
SSE
25
S
30
S
30
S
25
SSE
20
S
20
S
25
S
30
S
30
S
25
S
20
S
20
SSE
20
SSE
20
SSE
20
SSE
20
SSE
25
S
30
S
30
S
25
SSE
Wind State
cross-off
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
High Tide
6:49PM1.30m
7:14AM1.11m
7:31PM1.16m
8:10AM1.00m
8:35PM1.05m
Low Tide
12:31PM0.39m
1:09AM0.43m
1:08PM0.52m
1:56AM0.54m
2:00PM0.63m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:22
6:22
 mm
Temp °C
14
15
14
14
13
12
13
12
13
14
14
14
14
14
14
14
14
14
14
13
13
Feels °C
10
10
9
8
8
8
10
7
8
8
9
10
11
11
11
11
10
9
9
8
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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