Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 1 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
14.8°C
0.8° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.8m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 2.5ft (0.7m), 12s period with SW swell.
  • Evening surf: Evening surf (14 Sep, local time) - 2ft (0.6m), 12s period with SW swell.

The current surf forecast for Nine Mile Reef at 9PM is: 0.6m 12s primary swell from a Southwest direction and 0.3m 13s secondary swell from a Southeast direction (forecast issued at 01:00pm September 14). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (14 Sep)2.5ft (0.8m)12s
Afternoon (14 Sep)2.5ft (0.7m)12s
Evening (14 Sep)2ft (0.6m)12s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Tue night. Very mild (max 19°C on Mon afternoon, min 12°C on Tue night). Winds decreasing (strong winds from the NW on Tue afternoon, light winds from the SSE by Tue night).

Mon
14
Tuesday
15
Wednesday
16
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)
1
0
0
0
0
1
0
0
0
0
0
2
2
0
1
0
0
0
0
0
0
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)
0.8
SSW
12
0.7
SW
12
0.7
SW
12
0.6
SW
12
0.6
SSW
12
0.6
SSW
12
0.6
SSW
11
0.6
SSW
11
0.4
SW
18
0.5
SW
17
0.9
SW
16
1.1
SW
16
1.5
SW
15
1.5
SW
11
1.2
SW
14
1.3
SW
14
1.2
SW
14
1.2
SW
13
1.6
SW
13
1.7
SW
13
1.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
190
144
142
110
91
90
81
76
96
142
421
532
936
487
581
668
526
503
802
1006
769
Wind (km/h)
30
N
40
NNW
30
NNW
30
NNW
25
N
25
N
20
NNW
30
NNW
40
NNW
45
NW
40
NNW
35
N
30
N
20
SSW
20
SSE
30
SSE
30
SE
35
SSE
35
SSE
30
SE
30
SE
Wind State
off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:59PM1.54m
5:17AM1.37m
5:28PM1.42m
5:48AM1.26m
5:59PM1.28m
Low Tide
10:48AM0.16m
11:14PM0.17m
11:17AM0.27m
11:43PM0.29m
11:46AM0.39m
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
clear
cloud
cloud
light rain
mod rain
mod rain
light rain
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:37
 mm
1
2
6
9
5
1
Temp °C
17
19
18
16
15
15
15
15
17
17
16
14
13
12
12
14
15
16
15
14
13
Feels °C
12
13
13
12
11
11
12
10
9
9
9
8
7
8
8
7
8
8
8
8
7
  • 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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