Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 1 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
13.8° C
1.8° 

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 5AM is: 1.1m 13s primary swell from a Southwest direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 01:00am August 16). The wind direction is predicted to be offshore and the swell rating is 2.

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 13°C on Sun morning). Wind will be generally light.

Sunday
16
Monday
17
Tuesday
18
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
2
2
2
1
3
3
3
4
3
3
3
3
3
3
2
3
3
1
0
1
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
13
1.1
SW
13
1
SW
13
1
SW
15
1
SW
15
1.1
SW
15
1.4
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
SW
13
1.4
SW
14
1.3
SW
13
1.3
SW
13
1.7
SW
13
1.5
SW
13
1.5
SW
12
1.6
SW
13
1.8
SW
13
1.7
SW
13
1.8
SW
12
Wave Graph
Metric surfscale
Energy kJ
412
400
331
429
429
543
821
965
1034
893
721
721
642
577
661
577
637
984
710
666
878
1077
921
980
Wind (km/h)
10
N
10
NNW
15
N
20
NNW
20
NW
15
NW
10
N
10
N
15
N
15
NNE
10
N
10
NNW
10
WNW
10
WNW
5
NW
5
SSW
10
S
10
SSE
10
SSE
15
SSE
20
S
20
SSE
15
SSE
10
SE
Wind State
off
off
off
off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
glassy
on
on
cross-on
cross-on
on
on
on
cross-on
cross-on
High Tide
5:21AM1.44m
5:38PM1.57m
5:55AM1.34m
6:12PM1.44m
6:30AM1.23m
6:46PM1.31m
Low Tide
11:22PM0.10m
11:24AM0.14m
11:56PM0.20m
11:56AM0.25m
00:30AM0.31m
12:28PM0.38m
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
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
15
13
13
16
19
17
15
15
15
14
15
17
19
18
17
16
15
15
14
16
17
15
14
14
Feels °C
13
11
10
12
15
14
13
13
13
11
13
15
18
17
17
16
15
15
13
14
14
12
11
13
  • 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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