Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 1 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
13.9° C
1.7° 

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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 5.5ft (1.7m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 5.5ft (1.7m), 12s period with SSW swell.
  • Evening surf: Evening surf (19 Aug, local time) - 5ft (1.6m), 12s period with SW swell.

The current surf forecast for Nine Mile Reef at 9AM is: 1.7m 12s primary swell from a South-southwest direction (forecast issued at 01:00am August 19). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (19 Aug)5.5ft (1.7m)12s
Afternoon (19 Aug)5.5ft (1.7m)12s
Evening (19 Aug)5ft (1.6m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Fri afternoon, min 11°C on Fri morning). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
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)
3
2
1
0
0
1
2
3
2
!
!
!
!
1
0
1
1
3
1
3
1
2
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)
1.9
SSW
12
1.8
SW
12
1.7
SSW
12
1.7
SSW
12
1.7
SSW
12
1.6
SW
12
1.6
SW
12
1.5
SSW
12
1.7
SSW
13
2.1
SSW
13
2.3
SSW
14
2.3
SSW
13
2.1
SSW
13
2
SSW
13
1.7
SSW
12
1.7
SSW
12
1.7
SSW
12
1.5
SSW
12
1.6
SSW
11
1.5
SSW
11
1.5
SSW
11
1.2
SSW
11
1.2
SSW
11
1.3
SSW
11
Wave Graph
Metric surfscale
Energy kJ
1073
964
893
808
795
718
730
702
953
1471
1917
1780
1452
1211
893
830
761
595
637
534
524
317
317
387
Wind (km/h)
10
SE
10
SSE
10
S
15
S
15
S
15
S
5
SSE
5
SSE
10
S
5
SSE
10
SSE
10
S
20
S
20
S
20
SSE
15
SE
10
SE
10
SE
10
ESE
5
SSE
15
S
5
S
10
SSW
5
WSW
Wind State
cross-on
on
on
on
on
on
cross-on
glassy
on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
on
on
on
cross
High Tide
7:09AM1.11m
7:27PM1.17m
8:02AM1.00m
8:28PM1.05m
9:44AM0.92m
10:23PM0.99m
Low Tide
1:07AM0.43m
1:04PM0.51m
1:53AM0.55m
1:53PM0.63m
3:15AM0.64m
3:47PM0.72m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:18
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:19
 mm
Temp °C
12
12
12
14
15
14
13
14
14
14
14
15
15
14
13
13
12
12
11
16
17
17
14
13
Feels °C
10
11
10
11
12
11
11
13
13
13
13
13
12
10
10
10
10
10
9
15
15
16
13
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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nine Mile Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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