Jacobs Bay Surf Break

Lat Long: 32.97° S 17.89° E

Jacobs Bay 48 hour detailed Surf Forecast

Issued: 7 pm 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jacobs Bay sea temperature is
14.4°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 (30 Sep):

  • Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.1m), 14s period with SW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.

The current surf forecast for Jacobs Bay at 11PM is: 1.0m 13s primary swell from a Southwest direction and 0.3m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 30). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (30 Sep)--
Afternoon (30 Sep)3.5ft (1.1m)14s
Evening (30 Sep)3.5ft (1.1m)13s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Wed night, min 13°C on Fri night). Winds increasing (calm on Thu night, strong winds from the S by Sat afternoon).

Wed
30
Thursday
1
Friday
2
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
0
0
0
0
0
0
2
0
0
1
1
1
1
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
13
1.1
SW
13
1
SW
13
1
SW
13
1
SW
13
0.9
SW
13
0.9
SW
12
0.9
SW
12
0.9
SW
12
0.8
SW
12
0.8
SW
12
0.7
SW
12
0.5
WSW
11
0.5
WSW
12
0.7
WSW
12
1.7
WSW
11
2.1
WSW
11
1.9
WSW
10
1.8
WSW
10
Wave Graph
Metric surfscale
Energy kJ
386
386
342
336
326
269
223
212
209
169
164
137
74
78
127
698
1074
806
703
Wind (km/h)
10
NNW
5
SE
10
NE
20
NNW
25
NNW
25
N
35
N
25
NW
20
W
5
WNW
10
NW
10
NW
5
WNW
10
SSW
15
S
25
SSW
35
S
40
S
35
S
Wind State
cross
glassy
cross-off
cross-on
cross-on
cross
cross
cross-on
on
glassy
cross-on
cross-on
on
cross-on
cross
cross
cross
cross
cross
High Tide
5:18PM1.52m
5:47AM1.35m
6:04PM1.38m
6:40AM1.22m
7:04PM1.22m
Low Tide
11:35PM0.17m
11:47AM0.30m
00:23AM0.31m
12:42PM0.44m
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:26
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6:24
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
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6:50
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6:51
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 mm
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Temp °C
29
28
27
17
14
14
16
16
16
15
15
15
15
16
16
16
15
14
14
Feels °C
28
27
25
13
10
11
10
13
13
16
14
14
15
16
14
12
10
7
7
  • 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 

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