Haardebaai Surf Break

Lat Long: 34.38° S 18.83° E

Haardebaai Surf Forecast and Surf Report

Issued: 7 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Haardebaai sea temperature is
15.1°C
0.6° 

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


Haardebaai surf forecast from 27 Aug 2026:

  • Best quality surf: Wednesday 2 Sep, 5AM (local time) - 18ft (5.5m), 16s period, SW swell with cross-onshore winds.
  • Most powerful swell: Wednesday 2 Sep, 5AM (local time) - 18ft (5.5m), 16s period, SW swell with 13,423 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 5PM (local time) - 4ft (1.2m), 12s period with S swell.

Best Forecast Surf Conditions for Haardebaai this week:

The surf forecast for Haardebaai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 5PM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.9m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Haardebaai in the next 16 days are 5.5m 16s and forecast to arrive on Wednesday (Sep 02) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Sep 03) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Thu 27th Aug)4ft (1.2m) 12s
Best Surf 5AM (Wed 2nd Sep)18ft (5.5m) 16s
Most Powerful 5AM (Wed 2nd Sep)18ft (5.5m) 16s

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


The Lowdown

Alright, Rusty here. Let’s break down what’s headed our way for Haardebaai.

We’ve got an interesting couple of weeks ahead. The pattern starts off a bit messy, then builds into some serious size, and finishes with a return to cleaner, smaller conditions. The water’s sitting at 59.2°, which is about average for this time of year – nothing shocking there.

First up, Thursday the 27th morning. Haardebaai is showing clean with a 4.9ft south swell and a light offshore breeze out of the NNW. This is a promising start. The wave energy is moderate (813), and with a 12-second period, there’s some decent push behind it. The waves should have some shape, but remember, this is an advanced reef break, and the swell direction from the south is a touch off the optimum westerly, so it might not be absolutely perfect, but still a good session.

Friday morning the 28th holds up well. We’ve got 4.3ft from the south, a cross-off wind from the west, and a clean surface. The period drops a little to 11 seconds, and energy eases (612), but it’s still a good, solid option for the experienced crew.

Things get a bit more questionable through the weekend. Saturday and Sunday see the wind switching around, bringing in rain and onshore conditions. The swell builds – Saturday afternoon hits 7.2ft from the WSW with a 14-second period – but the cross-shore wind from the SSW is kicking up a chop, making it messy. By Sunday morning, we’re looking at 8.2ft, but the wind is on it, and the quality drops. This is more for the die-hards or folks with nothing else to do.

Then we hit a real standout. Monday the 31st morning. This is the one to circle. Haardebaai sees a clean 6.6ft south-west swell with a glorious offshore wind from the WNW. The period is a solid 12 seconds, and the energy is strong (1009). This is really good quality surf for advanced surfers. The wave comment says it all – “expect very good surf conditions.”

Tuesday the 1st of September keeps the momentum. The morning is big and clean again. We’re looking at 8.2ft from the SW, a 13-second period, and a fresh offshore from the NNW. The energy is pumping (2326). This is powerful. The afternoon swells to 9.8ft from the SW. Still clean with cross-off wind. This is big, heavy surf – expert territory only. The sets will have a lot of energy and long waits between them due to that 13-second period.

Now, Wednesday the 2nd is a monster. A 16.4ft swell from the SW with a very long 16-second period. The energy is massive (11772). This is a huge groundswell. But the wind is light cross-onshore, so it won’t be glassy. For an advanced reef break, the long period is actually a good thing – it will focus the energy and give proper, lined-up waves, but the size is only for the most skilled. The afternoon drops to 13.1ft, but the wind picks up and the chop ruins it. This day is for experts only, and the morning window is the call.

The rest of the first week and into the second week is a write-off. Thursday the 3rd and Friday the 4th are blown out by strong onshore winds (25 mph from the SE/ESE). Swell drops fast. Saturday the 5th is also poor, with messy, lumpy conditions. There’s a long gap of poor to marginal surf from the 3rd to the 7th.

A glimmer of hope returns on Monday the 8th of September. The morning shows 3.3ft from the SW, but the wind is a clean offshore from the NNW. The period is a nice 14 seconds. It’s not big, but it’s clean and lined up. Good for a cruisey session.

This continues into a run of better, clean days. Tuesday the 9th and Wednesday the 10th mornings both offer clean surf with 3.6ft swells and offshore to cross-off winds.

Then, another serious standout pops up. Friday the 11th of September morning. Look at this – 6.6ft from the SSW, a 12-second period, and a light offshore wind from the WNW. The energy is strong (1257). This is very good quality, and the wave comment confirms it – “expect very good surf conditions.” This one is worth a late-in-the-game paddle.

So, to sum it up: the absolute best windows are Monday the 31st of August morning and Friday the 11th of September morning. The 31st is a solid, powerful session with clean lines. The 11th is a slightly smaller but just as clean and punchy option. The massive swell on the 2nd is for experts only, if the wind plays ball.

Short Range Forecast

Light rain (total 8mm), mostly falling on Sat afternoon. Warm (max 22°C on Thu morning, min 13°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Tue afternoon, min 11°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the NNW by Tue morning).

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
2
1
1
1
2
0
2
0
2
3
1
3
3
3
6
4
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)
1.5
S
12
1.2
S
12
1.4
S
11
1.3
S
11
1.2
WSW
14
1.1
WSW
13
1.4
WSW
14
2.2
WSW
14
1.5
WSW
13
2.5
WSW
12
2.4
WSW
12
2.1
WSW
12
2
WSW
12
1.9
SW
11
2.5
SW
11
2.5
SW
13
3
SW
13
5
SW
15
5
SW
16
4
SW
15
3
WSW
14
Wave Graph
Metric surfscale
Energy kJ
617
403
467
389
519
402
743
1879
805
2083
1607
1207
1009
878
1537
2326
2536
11140
11772
8152
3512
Wind (km/h)
10
NNW
15
WSW
10
W
10
W
5
SE
10
SSW
10
NE
25
SSW
20
S
15
SE
20
SSE
5
SSE
15
WNW
20
W
25
NNW
35
NNW
25
W
5
SSE
10
SSW
25
S
20
SSE
Wind State
off
cross-off
cross-off
cross-off
on
cross-on
cross
cross
cross-on
on
cross-on
on
off
cross-off
off
off
cross-off
glassy
cross-on
cross-on
cross-on
High Tide
3:05PM1.54m
3:14AM1.49m
3:33PM1.61m
3:44AM1.52m
4:01PM1.65m
4:15AM1.52m
4:31PM1.65m
4:47AM1.49m
5:03PM1.62m
5:21AM1.43m
5:37PM1.54m
6:00AM1.33m
6:17PM1.43m
Low Tide
8:55AM0.14m
9:16PM0.17m
9:22AM0.08m
9:44PM0.11m
9:49AM0.06m
10:14PM0.07m
10:18AM0.06m
10:45PM0.08m
10:48AM0.10m
11:18PM0.11m
11:21AM0.18m
11:54PM0.19m
11:58AM0.28m
00:38AM0.30m
part cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
mod rain
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:09
7:07
7:05
7:05
7:03
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:22
6:23
6:24
6:24
6:25
 mm
1
6
1
2
5
Temp °C
22
21
16
17
16
16
15
16
14
14
13
12
13
14
13
14
16
15
14
12
11
Feels °C
19
18
16
16
15
15
15
14
9
9
8
8
9
10
9
8
10
13
12
10
6
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  • 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 Haardebaai Surf forecast

The above surf forecast table for Haardebaai provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Haardebaai can be found by selecting the local surf guide option on the grey menu. Our Haardebaai 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 (Haardebaai) 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 Haardebaai 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.

Are you planning a holiday in Overberg? If you are looking for accommodation near Haardebaai, camping, hotels and holiday cottages in Overberg, consider staying in Grabouw which is 30 km (19 miles) away. Other places in and around Overberg where you can find information about places to rent, and car hire include Hermanus which is 37 km (23 miles) away, Stellenbosch, Kayamnandi and Bellville.

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