Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef Surf Forecast and Surf Report

Issued: 1 pm 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
15.6°C
0.8° 

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 17 Oct 2026:

  • Best quality surf: Monday 19 Oct, 5AM (local time) - 5ft (1.6m), 12s period, SW swell with glassy winds.
  • Most powerful swell: Sunday 18 Oct, 11AM (local time) - 6.5ft (2.0m), 12s period, SSW swell with 1,189 kJ wave energy.
  • Next surfable swell (1★+): Monday 19 Oct, 5AM (local time) - 5ft (1.6m), 12s period with SW 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 Monday (Oct 19) at 5AM. The primary swell is predicted to be 1.6m and 12s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 16 days are 2.0m 12s and forecast to arrive on Sunday (Oct 18) 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 1.4m 11s period and expected on Wednesday (Oct 21) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 19th Oct)5ft (1.6m) 12s
Best Surf 5AM (Mon 19th Oct)5ft (1.6m) 12s
Most Powerful11AM (Sun 18th Oct)6.5ft (2.0m) 12s

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


Short Range Forecast

Some drizzle, heaviest during Sun afternoon. Very mild (max 17°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Very mild (max 18°C on Wed afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the N on Wed morning, light winds from the E by Fri morning).

Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
1
2
2
0
2
2
2
2
2
2
3
1
1
1
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SW
12
1.7
SW
13
2
SSW
12
1.8
SSW
13
1.7
SSW
12
1.4
SW
12
1.4
SW
12
1.2
SW
11
1.1
SW
11
1.3
SW
11
1.7
SW
12
2
SW
12
1.7
SW
12
1.5
SW
11
1.5
SW
12
1.5
SSW
12
1.6
SSW
11
1.8
SSW
12
1.5
SSW
11
1.4
SSW
11
Wave Graph
Metric surfscale
Energy kJ
980
921
1189
1100
808
568
488
354
308
382
850
1088
773
563
583
604
592
843
571
415
Wind (km/h)
20
SSE
20
SE
15
SSE
20
S
5
SSW
5
WSW
15
SSW
5
N
15
NW
25
NNW
30
N
25
NNW
20
WNW
15
NNW
10
WSW
15
S
15
SE
5
SSW
15
S
0
SE
Wind State
on
cross-on
cross-on
on
on
cross
cross-on
glassy
cross-off
off
off
cross-off
cross-off
off
cross-on
on
cross-on
on
on
glassy
High Tide
6:51PM1.03m
8:00AM0.99m
8:30PM0.95m
10:06AM1.00m
10:37PM0.97m
11:25AM1.10m
11:46PM1.07m
12:10PM1.23m
00:30AM1.19m
12:45PM1.36m
1:07AM1.30m
1:18PM1.49m
1:42AM1.41m
Low Tide
1:15AM0.60m
2:11PM0.71m
3:10AM0.65m
4:43PM0.68m
4:59AM0.59m
5:53PM0.57m
5:55AM0.50m
6:33PM0.44m
6:34AM0.39m
7:06PM0.30m
7:09AM0.29m
7:39PM0.16m
cloud
cloud
cloud
light rain
clear
clear
part cloud
clear
cloud
part cloud
part cloud
rain showers
cloud
light rain
light rain
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
6:00
—
—
5:58
—
—
5:58
—
—
5:56
—
—
5:56
—
—
5:54
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
—
—
7:00
—
—
7:00
—
—
7:01
—
—
7:02
—
—
7:04
—
—
7:05
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 mm
—
—
—
1
—
—
—
—
—
—
—
1
—
1
2
—
—
—
—
—
Temp °C
14
13
13
13
13
15
17
14
16
17
14
17
18
16
17
17
15
18
20
19
Feels °C
10
9
10
8
10
12
14
12
13
11
9
13
14
14
15
14
13
16
17
18
  • 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 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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