Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 1 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
13.6° C
2.0° 

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


How big are the waves at Nine Mile Reef today (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 3.5ft (1.0m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 3.5ft (1.1m), 15s period with SW swell.
  • Evening surf: Evening surf (16 Aug, local time) - 5ft (1.5m), 14s period with SW swell.

The current surf forecast for Nine Mile Reef at 8PM is: 1.5m 14s primary swell from a Southwest direction (forecast issued at 01:00pm August 16). The wind direction is predicted to be offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (16 Aug)3.5ft (1.0m)14s
Afternoon (16 Aug)3.5ft (1.1m)15s
Evening (16 Aug)5ft (1.5m)14s

Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 12°C on Tue night). Wind will be generally light.

Sun
16
Monday
17
Tuesday
18
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
1
3
3
4
4
3
3
3
2
3
3
3
3
2
1
1
0
0
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
15
1
SW
15
1.1
SW
15
1.5
SW
14
1.6
SW
14
1.6
SW
14
1.6
SW
14
1.4
SW
13
1.4
SW
13
1.4
SW
13
1.3
WSW
13
1.3
SW
14
1.3
SW
14
1.3
SW
13
1.3
SW
13
1.4
SW
13
1.8
SW
13
1.7
SW
13
1.9
SSW
13
1.9
SW
13
2
SSW
12
Wave Graph
Metric surfscale
Energy kJ
429
429
543
915
1064
1049
893
721
642
642
599
586
586
577
609
643
1162
981
1180
1174
1173
Wind (km/h)
20
NNW
20
NW
15
WNW
10
N
15
N
15
N
15
N
15
N
15
N
15
NW
10
WNW
5
WNW
5
SSW
5
S
10
S
10
SSE
15
S
20
S
20
S
15
SSE
10
SE
Wind State
off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
glassy
glassy
glassy
on
on
on
on
on
cross-on
cross-on
High Tide
5:38PM1.57m
5:55AM1.34m
6:12PM1.44m
6:30AM1.23m
6:46PM1.31m
Low Tide
11:24AM0.14m
11:56PM0.20m
11:56AM0.25m
00:30AM0.31m
12:28PM0.38m
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:16
 mm
Temp °C
16
19
17
15
14
14
14
14
17
19
18
16
16
15
14
14
15
16
15
14
13
Feels °C
12
15
14
13
11
11
11
11
14
16
17
17
16
15
13
13
13
13
11
11
12
  • 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
How to use the Wavefinder 

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