Oyster Bay Surf Break

Lat Long: 34.20° S 24.83° E

Oyster Bay Surf Forecast and Surf Report

Issued: 1 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Oyster Bay sea temperature is
17.7° C
1.3° 

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 18 Jul 2026:

  • Best quality surf: Monday 20 Jul, 5AM (local time) - 10ft (3.0m), 9s period, SW swell with cross-shore winds.
  • Most powerful swell: Friday 24 Jul, 8AM (local time) - 11ft (3.5m), 16s period, SSW swell with 5,559 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 5AM (local time) - 10ft (3.0m), 9s 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 Monday (Jul 20) at 5AM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 1.1m and 12s. 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 3.5m 16s and forecast to arrive on Friday (Jul 24) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 9s period and expected on Tuesday (Jul 21) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 20th Jul)10ft (3.0m) 9s
Best Surf 5AM (Mon 20th Jul)10ft (3.0m) 9s
Most Powerful 8AM (Fri 24th Jul)11ft (3.5m) 16s

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


The Lowdown

Alright folks, Rusty here with a look at what Oyster Bay’s got cookin’ for the next couple of weeks. Let’s be straight up – it’s a bit of a slow dance at the start, but there’s some serious muscle forecast to roll through later. We’ve got a solid sandbar setup that’s exposed to the south-east, so it picks up a lot of what the ocean throws at it.

Right now, the Saturday (18th) is a write-off. We’re looking at a 4ft S swell, but it’s got a cross-shore breeze messing it up. The wave energy’s weak at 759, and conditions are just marginal. Best to leave the boards in the car for this one.

Sunday (19th) ain’t much better. The wind is still onshore and choppy with that WSW breeze. The swell’s a touch smaller at 5ft from the SW, but the energy is still low (764) and it’s all messy. We’re still waiting.

Now, Monday morning the 20th is where we start to see a pulse. The swell jumps to 8ft out of the SW, and the wind shifts to a light NW cross-off. The energy is cranking up to a solid 1702. This is proper, clean surf for experienced crew. The offshore flow will have those lines looking tidy.

Tuesday the 21st morning is the real standout of the first week. It’s glassy, dead calm with a NE breeze, and a 6ft SSW groundswell with a long 15-second period. That’s a proper groundswell, folks. Wave energy is strong at 1460. This is going to be clean, lined-up, and offering some nice shape. Get in the water early.

Wednesday the 22nd morning looks decent again with a 7ft SW swell at 13 seconds and a light W cross-shore, keeping it fairly clean. The energy is strong (1684). Thursday the 23rd morning gets big – 10ft from the SW, but that’s too much juice for this break. The swell’s predicted to be too big.

That trend continues into the end of the month. Friday the 24th is massive – 13ft SSW with a 16-second period, glassy conditions, and energy through the roof at 7384. It sounds epic, but it’s too big for Oyster Bay unless you’re a proper charger on a big wave gun. Same story Saturday (25th) and Sunday (26th): solid 10ft+ swells but poor wind or too big. This is kite-surf territory for a few days rather than a paddle session.

By Monday the 27th, the size drops to 8ft, but the wind is up – a strong 25 mph E cross-off keeps it clean, but it’s big and energetic. Tuesday the 28th offers a nice window though: a 6ft SSW swell with a 15-second period and a clean NNE offshore wind. That’s proper surf for experienced surfers with a moderate energy of 1795. It’s a good morning session to end July.

The first few days of August look small. Friday the 31st is blown out with a near gale, Saturday the 1st has a clean 4ft SSW groundswell but only 371 energy. That’s a small, weak wave, so don’t expect much. By Sunday the 2nd, it’s fizzled out to a 3ft S windswell.

The highlight here is Tuesday the 21st morning – glassy, clean, a solid 6ft SSW groundswell with 15-second period. That’s the session to circle on the calendar.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Sun night. Very mild (max 18°C on Sat afternoon, min 14°C on Mon night). Winds decreasing (strong winds from the W on Sun night, light winds from the SSW by Mon afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Tue afternoon, min 14°C on Wed morning). Winds increasing (calm on Wed morning, fresh winds from the W by Thu morning).

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
0
0
0
3
3
2
2
0
3
4
!
!
0
1
4
!
!
!
Swell
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
1.5
SW
10
1.8
SW
9
1.4
SW
9
1.6
SW
9
3
SW
9
2.2
SW
11
1.8
SW
11
1.2
SE
11
1.6
SW
15
2
SSW
14
2.2
SW
13
2.5
SW
12
4
SW
12
3.5
SW
11
3.5
SW
11
2.5
SW
11
2.3
SW
11
3.5
SSW
15
3.5
SW
14
4
SSW
14
Wave Graph
Metric surfscale
Energy kJ
361
433
561
314
399
1609
1128
763
380
1059
1553
1659
2111
4915
3370
2438
1687
1270
5093
4681
5395
Wind (km/h)
25
W
25
W
20
W
20
WSW
40
WSW
40
W
15
WNW
10
SSE
15
ENE
10
W
25
WSW
15
W
5
WSW
15
SW
15
W
40
W
20
SSE
25
NE
20
W
15
SW
5
NNW
Wind State
cross
cross-on
cross
cross-on
cross-on
cross
cross
cross-on
cross-off
cross-on
cross-on
cross
glassy
cross-on
cross
cross-on
cross-on
off
cross-on
cross-on
cross-off
High Tide
6:38PM1.60m
6:47AM1.37m
7:17PM1.50m
7:26AM1.25m
7:57PM1.37m
8:11AM1.13m
8:45PM1.24m
9:11AM1.03m
9:52PM1.14m
10:52AM0.97m
11:31PM1.10m
12:39PM1.01m
00:55AM1.14m
Low Tide
12:17PM0.11m
00:52AM0.27m
12:52PM0.22m
1:32AM0.38m
1:29PM0.35m
2:16AM0.49m
2:10PM0.49m
3:11AM0.58m
3:06PM0.61m
4:33AM0.64m
4:38PM0.68m
6:18AM0.62m
6:31PM0.66m
part cloud
part cloud
part cloud
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:22
7:20
7:20
7:20
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:31
5:31
5:32
5:34
5:34
 mm
1
Temp °C
17
18
16
17
18
16
16
17
16
17
18
16
16
17
16
17
18
16
16
17
16
Feels °C
13
14
13
15
15
8
14
16
15
14
14
13
16
15
14
10
12
15
13
14
16
  • 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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