Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef Surf Forecast and Surf Report

Issued: 1 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
14.0°C
1.6° 

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


Nine Mile Reef surf forecast from 23 Aug 2026:

  • Best quality surf: Thursday 27 Aug, 2AM (local time) - 5ft (1.5m), 12s period, S swell with cross-offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 5AM (local time) - 5ft (1.6m), 14s period, SW swell with 1,079 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 2AM (local time) - 5ft (1.5m), 12s period with S swell.

Best Forecast Surf Conditions for Nine Mile Reef this week:

The surf forecast for Nine Mile Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 2AM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 0.6m and 15s. Another secondary swell of 2.0m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 16 days are 1.6m 14s and forecast to arrive on Tuesday (Aug 25) 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 1.3m 5s period and expected on Saturday (Aug 29) at 5PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 27th Aug)5ft (1.5m) 12s
Best Surf 2AM (Thu 27th Aug)5ft (1.5m) 12s
Most Powerful 5AM (Tue 25th Aug)5ft (1.6m) 14s

Table - best surf conditions forecast for Nine Mile Reef over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 20°C on Tue afternoon, min 12°C on Sun morning). Winds increasing (light winds from the SE on Sun morning, fresh winds from the SE by Tue afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Wed afternoon, min 12°C on Wed morning). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
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
0
0
0
1
1
0
1
2
3
4
3
2
2
1
1
2
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SW
13
1.3
SW
12
1.3
SW
12
1.1
SW
11
1.1
SW
11
1.6
SW
14
1.6
SW
14
1.3
SW
14
1.1
SW
13
1.4
SE
8
0.9
SSW
16
1.5
S
12
1.4
S
11
1.3
S
11
1.3
S
11
1.1
S
11
0.9
S
11
0.9
S
11
0.6
SW
14
0.7
SW
14
0.7
SW
13
Wave Graph
Metric surfscale
Energy kJ
581
496
448
325
297
1016
978
596
444
236
416
596
502
426
403
282
178
188
149
189
175
Wind (km/h)
10
S
15
S
10
SSE
15
S
20
S
15
SSE
20
SE
30
SE
25
ESE
10
E
10
SE
5
NE
10
NNW
10
NW
5
SSE
10
S
10
S
10
NE
40
N
30
NNW
50
NNW
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-off
off
cross-off
glassy
on
on
cross-off
off
off
cross-off
High Tide
1:00PM1.07m
1:03AM1.14m
1:38PM1.20m
1:41AM1.25m
2:09PM1.32m
2:14AM1.35m
2:37PM1.43m
2:44AM1.43m
3:05PM1.53m
3:14AM1.49m
3:33PM1.60m
3:44AM1.52m
4:01PM1.65m
4:15AM1.52m
Low Tide
7:08PM0.57m
7:28AM0.42m
7:46PM0.46m
8:00AM0.31m
8:17PM0.35m
8:28AM0.22m
8:47PM0.25m
8:55AM0.14m
9:15PM0.17m
9:22AM0.09m
9:44PM0.11m
9:49AM0.06m
10:14PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:15
7:13
7:13
7:11
7:11
7:09
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:20
6:21
6:22
6:22
6:22
6:23
6:23
 mm
7
Temp °C
14
15
13
14
15
13
17
20
14
18
24
20
22
23
19
20
22
24
23
21
16
Feels °C
12
12
11
11
11
10
13
15
10
16
22
18
20
20
18
18
19
21
18
14
10
  • 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
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Information about the Nine Mile Reef Surf forecast

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

Nine Mile Reef is 19 km (12 miles) from the very large city of Bellville. If you plan a holiday in Cape Town, look for hotels and other accommodation in Bellville. Bellville has rooms for a wide range of budgets as well as cheap car hire and transport links.

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