Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 1 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
15.7°C
0.1° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 6ft (1.8m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 7ft (2.1m), 7s period with SSE swell.
  • Evening surf: Evening surf (11 Sep, local time) - 6.5ft (2.0m), 7s period with SSE swell.

The current surf forecast for Nine Mile Reef at 10AM is: 1.0m 12s primary swell from a Southwest direction and 1.8m 7s secondary swell from a South-southeast direction (forecast issued at 01:00am September 11). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (11 Sep)6ft (1.8m)7s
Afternoon (11 Sep)7ft (2.1m)7s
Evening (11 Sep)6.5ft (2.0m)7s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Warm (max 23°C on Sun afternoon, min 15°C on Fri morning). Mainly fresh winds.

Friday
11
Saturday
12
Sunday
13
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
2
3
2
1
1
!
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
SW
13
1
SW
12
1.9
SSE
7
2.1
SSE
7
2.1
SSE
7
2.1
SSE
7
1.9
SSE
7
1.7
SSE
7
1
SW
14
1.2
SW
14
1.4
SW
15
1.5
SSW
17
1.7
SSW
17
1.7
SSW
16
1.7
SSW
16
1.6
SSW
15
1.5
SSW
15
1.5
SSW
15
1.3
SSW
14
1.2
SSW
14
1.2
SSW
14
2.5
SE
10
0.9
SSW
13
Wave Graph
Metric surfscale
Energy kJ
418
305
286
307
385
418
373
326
254
407
614
805
1336
1714
1536
1460
1147
987
974
691
515
493
1153
304
Wind (km/h)
25
SSE
25
SE
20
SE
25
SE
25
SSE
30
SSE
25
SE
20
SE
20
SE
20
SE
15
SE
25
ESE
25
SE
30
SE
25
ESE
20
ESE
20
ESE
15
SE
10
E
10
ESE
15
SSE
10
SSE
10
E
15
N
Wind State
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
cross
cross-on
cross-on
cross
cross-on
on
cross-on
cross
off
High Tide
3:10AM1.57m
3:26PM1.71m
3:44AM1.57m
3:58PM1.70m
4:16AM1.53m
4:29PM1.64m
Low Tide
9:16AM0.02m
9:43PM-0.01m
9:48AM0.03m
10:15PM0.02m
10:19AM0.08m
10:45PM0.08m
clear
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
thunderstorm
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:34
6:35
 mm
1
1
1
Temp °C
15
14
15
16
18
17
15
15
15
15
15
18
19
18
16
15
15
15
16
20
23
21
18
17
Feels °C
12
10
12
13
14
13
11
12
12
13
13
14
16
14
12
12
12
13
15
19
22
21
18
16
  • 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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