Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 7 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
14.4°C
1.2° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 4.5ft (1.4m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 4ft (1.2m), 14s period with SSW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 6ft (1.8m), 8s period with SE swell.

The current surf forecast for Nine Mile Reef at 1PM is: 1.3m 14s primary swell from a South-southwest direction and 1.0m 8s secondary swell from a South-southeast direction, 1.8m 9s secondary swell from a Southeast direction (forecast issued at 07:00am September 13). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (13 Sep)4.5ft (1.4m)14s
Afternoon (13 Sep)4ft (1.2m)14s
Evening (13 Sep)6ft (1.8m)8s

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


Short Range Forecast

Heavy rain (total 37mm), heaviest during Tue night. Warm (max 22°C on Sun morning, min 12°C on Tue night). Winds increasing (calm on Sun morning, strong winds from the NW by Tue afternoon).

Sunday
13
Monday
14
Tuesday
15
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)
3
3
4
3
3
3
2
2
2
2
1
0
0
0
0
0
0
1
0
0
0
2
3
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)
1.5
SSW
15
1.5
SSW
15
1.4
SSW
14
1.3
SSW
14
1.2
SSW
14
1.8
SE
8
1.1
SW
13
0.9
SSW
13
0.9
SSW
13
0.9
SW
12
0.8
SSW
12
0.7
SW
12
0.7
SW
12
0.6
SW
12
0.6
SSW
12
0.6
SSW
12
0.5
SW
11
0.6
SSW
11
0.4
SW
18
0.6
SSW
17
0.9
SW
16
1.1
SW
15
1.6
SW
15
Wave Graph
Metric surfscale
Energy kJ
987
974
785
653
511
428
400
295
286
227
190
144
142
110
91
88
59
76
79
193
421
605
1011
Wind (km/h)
15
ESE
10
ESE
0
NE
10
WSW
5
W
5
NNW
15
NNW
15
N
20
N
20
NNW
25
N
35
NNW
30
NNW
30
N
25
NNW
25
NNW
30
NNW
25
NNW
40
NNW
45
NW
35
NNW
35
N
30
N
Wind State
cross
cross-on
glassy
cross
cross
glassy
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
off
off
High Tide
4:16AM1.53m
4:29PM1.64m
4:47AM1.46m
4:59PM1.54m
5:17AM1.37m
5:28PM1.42m
Low Tide
10:19AM0.08m
10:45PM0.08m
10:48AM0.16m
11:14PM0.17m
11:17AM0.27m
part cloud
cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:47
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:35
6:36
 mm
1
1
2
1
1
1
1
1
6
Temp °C
17
17
22
22
19
17
16
16
16
15
16
18
17
16
15
15
15
15
17
18
16
15
14
Feels °C
16
16
23
22
20
18
15
15
14
13
12
12
12
11
11
11
10
11
10
10
9
9
9
  • 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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