Oyster Bay Surf Break

Lat Long: 34.20° S 24.83° E

Oyster Bay Surf Forecast and Surf Report

Issued: 1 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Oyster Bay sea temperature is
14.6° C
4.2° 

Oyster Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Oyster Bay surf forecast from 19 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 5AM (local time) - 10ft (3.0m), 12s period, SW swell with cross-shore winds.
  • Most powerful swell: Thursday 20 Aug, 11AM (local time) - 13ft (4.0m), 14s period, SW swell with 6,201 kJ wave energy.
  • Next surfable swell (1★+): Thursday 20 Aug, 5AM (local time) - 10ft (3.0m), 12s period with SW swell.

Best Forecast Surf Conditions for Oyster Bay this week:

The surf forecast for Oyster Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 5AM. The primary swell is predicted to be 3.0m and 12s period with a secondary swell of 3.0m and 12s. Another secondary swell of 0.3m and 9s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Oyster Bay in the next 16 days are 4.0m 14s and forecast to arrive on Thursday (Aug 20) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Saturday (Aug 22) at 5PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 20th Aug)10ft (3.0m) 12s
Best Surf 5AM (Thu 20th Aug)10ft (3.0m) 12s
Most Powerful11AM (Thu 20th Aug)13ft (4.0m) 14s

Table - best surf conditions forecast for Oyster Bay over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s look ahead at what Oyster Bay is serving up. Right off the bat, I gotta say, the water temp is a serious talking point – we’re looking at 58°, which is a whopping 8° colder than normal for this time of year. That is very unusual, so you’ll want a thick wetsuit.

The pattern for the next couple of weeks is pretty challenging. We kick things off clean and calm on Wednesday the 19th, but the swell is just too powerful for this sandbar setup. We’re talking a solid 10ft SW swell with a combined energy reading of 2646, making it a strong, beefy swell. The wind is glassy in the morning, which is a major positive, but the size makes it a no-go for a safe session. That afternoon, the wind picks up and the conditions turn poor.

Thursday the 20th brings even more energy – up to 5719 – from the SW, but the cross-onshore wind is messy, and the swell is just way too big for this break.

Things start to look a little more realistic by Friday morning the 21st. The swell drops to a more manageable 8ft from the SW, the period is a long 12 seconds, and we get a light offshore breeze from the east. The water cleans right up. The combined energy is still moderate at 1644, but the sets will have a bit of punch. This is for experienced surfers only, though – over 7ft is pushing it for beginners.

From there, we hit a rough patch. Saturday the 22nd sees strong cross-onshore winds over 25 mph making a mess of a dropping swell. Sunday the 23rd is only marginal with cross-on winds, though that 8ft SW swell on Sunday afternoon has a long 14-second period and onshore wind, making it a tricky proposition.

A few more days of marginal conditions follow through Monday the 24th and Tuesday the 25th, with light winds but continuing cross-onshore flow.

Now, Wednesday afternoon the 26th shapes up as a standout option. The swell is a nice 6ft from the SW, period at 13 seconds, and the wind goes clean offshore from the ENE. The combined energy is 1478, so there's plenty of grunt. With the long period, this SW groundswell will be hitting that sandbar cleanly. It's still solid, so it’s better for experienced surfers.

Thursday the 27th offers a small shot in the afternoon. The swell drops to 4ft from the S, wind goes light offshore from the east, and the water turns clean. It’s a smaller window, but a good one for a more relaxed paddle.

After that, the outlook turns grim. Strong winds flatten the swell completely through the end of August, with energy dropping to a weak 57 on the 29th. We see a spike in size on the 30th with a 8ft SW swell and strong offshore wind, but it's so windy that it’s not worth the paddle out. The first few days of September are a write-off with poor conditions and messy wind.

Overall, the standout here is Friday morning the 21st for the bigger, cleaner swell, and Wednesday afternoon the 26th as another solid call with good wind.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 16°C on Wed afternoon, min 13°C on Thu night). Winds increasing (light winds from the NNE on Fri morning, strong winds from the W by Sat morning).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Sat afternoon, min 14°C on Sun morning). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Sun night).

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
!
!
4
1
3
0
0
2
2
3
4
3
3
4
4
!
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
12
3
SW
12
4
SW
14
3.5
SW
13
3
SW
12
2.4
SW
12
2.2
SW
12
1.7
SSW
11
2
SSW
13
1.7
SW
12
2.1
SW
11
2.3
SW
11
2.1
SW
11
2.2
SW
13
1.8
SW
12
1.4
SSW
16
2.5
SW
14
2.3
SW
12
3
SW
16
2.3
SW
14
Wave Graph
Metric surfscale
Energy kJ
2257
2185
6201
4873
2589
1610
1302
698
1250
878
1132
1279
1112
1545
944
938
2506
1628
3689
2050
Wind (km/h)
25
SW
35
WSW
25
W
15
SW
10
WNW
10
ENE
30
ESE
15
ENE
45
W
35
WSW
25
W
15
WSW
10
SSW
5
NNE
10
SW
5
SW
0
E
15
E
30
E
30
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross-off
cross-on
cross-on
cross
cross-on
on
glassy
cross-on
on
glassy
cross-off
cross-off
cross-off
High Tide
7:31PM1.23m
7:47AM1.05m
8:18PM1.08m
9:12AM0.92m
10:37PM0.99m
12:36PM0.95m
00:51AM1.06m
1:39PM1.09m
1:43AM1.19m
2:14PM1.23m
2:17AM1.31m
2:42PM1.37m
2:46AM1.43m
Low Tide
1:49AM0.57m
1:47PM0.62m
2:55AM0.69m
3:11PM0.74m
5:56AM0.71m
6:33PM0.73m
7:26AM0.59m
7:40PM0.61m
8:03AM0.45m
8:15PM0.48m
8:31AM0.32m
8:45PM0.35m
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:52
6:52
6:50
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:53
5:54
5:54
5:55
5:57
 mm
Temp °C
16
15
15
15
15
14
15
15
16
16
15
15
16
15
16
16
15
16
17
15
Feels °C
12
10
11
11
13
12
11
10
8
8
11
14
14
15
15
14
15
14
13
10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Oyster Bay Surf forecast

The above surf forecast table for Oyster Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Oyster Bay can be found by selecting the local surf guide option on the grey menu. Our Oyster Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Oyster Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Oyster Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Oyster Bay is 24 km (15 miles) from the city of Kruisfontein. If you plan a holiday in Eastern Cape (South), look for hotels and other accommodation in Kruisfontein. Kruisfontein has rooms for a wide range of budgets as well as car hire and transport links.

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