Jacobs Bay surfForecast / West Coast / South Africa

information circle48hr Weather and Surf, issued 1 am Monday 20 Apr 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Jacobs Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jacobs Bay sea temperature is
16.4° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Jacobs Bay today?

The current surf forecast for Jacobs Bay at 10AM is: 4.5m 14s primary swell from a Southwest direction and 2.5m 14s secondary swell from a Southwest direction (forecast issued at 01:00am April 20). The wind direction is predicted to be onshore and the swell rating is 11.

Time (SAST) & DateWave HeightWave Period
Morning (20 Apr)15ft (4.5m)13s
Afternoon (20 Apr)15ft (4.5m)14s
Evening (20 Apr)13ft (4.0m)14s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
!
!
!
0
!
!
!
!
!
!
!
!
!
!
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Swell
Height Map
Wave Height (m) & direction (?)
5
WSW
5
WSW
4.5
WSW
4.5
SW
4.5
SW
4.5
SW
4
SW
4
SW
4
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
3
SSW
3.5
SSW
3.5
SSW
3.5
SSW
4
SSW
4.5
SSW
4.5
SSW
4.5
SSW
4.5
SSW
4.5
SSW
Period(s) (?)111212131414141414131313131312121212131415151616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)628165096020710078277535672158635110436336423153266924442922337436103766511878769558954796719125
Wind
(km/h)
40
W
35
WSW
25
WSW
20
WSW
20
W
20
WNW
20
NW
15
NW
10
NW
10
NW
10
WNW
15
WNW
20
NNW
20
NW
15
SSW
25
S
20
SSE
25
SSE
20
SSE
25
SSE
30
SSE
25
S
30
SSE
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
High Tide
/ height (m)
4:51AM
1.61
5:21PM
1.46
5:38AM
1.47
6:12PM
1.35
6:33AM
1.31
7:16PM
1.24
Low Tide
/ height (m)
10:39PM
0.11
11:09AM
0.06
11:25PM
0.21
11:56AM
0.20
12:18AM
0.34
12:52PM
0.34
Monday
20
Tuesday
21
Wednesday
22
Sunrise---7:13-------7:13-------7:13----
Sunset------6:21-------6:20-------6:17-
rain showers
rain showers
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
cloud
cloud
cloud
Rain (mm)
11----------------------
Temp. °C151515161616161516161616161716171717161515171717
Feels °C (?)6791212121112141414131213131312111199121112
  • 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

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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