Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 1 pm 15 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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 2ft (0.6m), 11s period with SSW swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 2ft (0.6m), 17s period with SW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 4ft (1.2m), 15s period with SW swell.

The current surf forecast for Nine Mile Reef at 7PM is: 1.0m 16s primary swell from a Southwest direction (forecast issued at 01:00pm September 15). An open ocean swell of 0.6m 8s is not directed at the surf break, a second open ocean swell of 1.6m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (15 Sep)2ft (0.6m)11s
Afternoon (15 Sep)2ft (0.6m)17s
Evening (15 Sep)4ft (1.2m)15s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Tue night. Very mild (max 17°C on Tue afternoon, min 12°C on Tue night). Mainly strong winds.

Tue
15
Wednesday
16
Thursday
17
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)
0
0
0
2
4
0
1
0
0
0
0
0
0
0
0
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)
0.4
SW
18
0.5
SW
17
0.9
SW
16
1.1
SW
15
1.6
SW
15
1.6
SW
15
1.9
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
13
1.5
SW
13
1.1
SW
13
1.4
SW
13
1.5
SW
13
1.5
SSW
12
1.4
SW
12
1.4
SW
12
1.4
SW
12
1.2
SW
12
1.2
SW
12
1.1
SW
12
Wave Graph
Metric surfscale
Energy kJ
79
142
421
525
1034
1108
1480
565
526
503
744
444
613
723
691
587
514
505
400
400
309
Wind (km/h)
45
NNW
45
NW
40
NNW
30
N
5
NNW
25
S
20
SSE
30
SSE
30
SE
35
SSE
35
SSE
30
SE
30
SE
25
SE
25
SE
30
SE
30
SE
35
SE
40
SE
35
SE
25
SE
Wind State
cross-off
cross-off
cross-off
off
cross-off
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:28PM1.42m
5:48AM1.26m
5:59PM1.28m
6:21AM1.14m
6:33PM1.14m
Low Tide
11:17AM0.27m
11:43PM0.29m
11:46AM0.39m
00:13AM0.41m
12:17PM0.51m
cloud
part cloud
cloud
light rain
heavy rain
heavy rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:37
6:37
 mm
4
12
14
1
Temp °C
17
17
17
14
13
12
13
14
15
15
15
13
13
13
13
13
16
17
16
14
13
Feels °C
9
8
9
9
12
8
9
8
8
7
7
6
7
7
7
7
9
9
7
7
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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