Nine Mile Reef Surf Break

Nine Mile Reef 48 hour detailed Surf Forecast

Lat Long: 34.07° S 18.66° E

Issued: 1 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
15.0° C

1.1°C colder than average for this time of year

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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 5.5ft (1.7m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 5ft (1.5m), 14s period with SSW swell.
  • Evening surf: Evening surf (18 Jun, local time) - 4.5ft (1.4m), 13s period with SW swell.

The current surf forecast for Nine Mile Reef at 6AM is: 1.8m 16s primary swell from a South-southwest direction and 1.3m 13s secondary swell from a Southwest direction, 0.9m 4s secondary swell from a South-southeast direction (forecast issued at 01:00am June 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Jun)5.5ft (1.7m)15s
Afternoon (18 Jun)5ft (1.5m)14s
Evening (18 Jun)4.5ft (1.4m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat afternoon, min 14°C on Thu morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
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)
1
1
1
0
0
0
0
0
0
2
1
2
2
3
3
3
2
2
2
2
1
2
2
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)
1.3
SSW
16
1.9
SSW
16
1.8
SSW
16
1.7
SSW
15
1.7
SSW
14
1.5
SSW
14
1.4
SW
13
1.4
SW
13
1.4
SW
13
1.3
SSW
13
1.2
SW
12
1.1
SW
12
0.9
SW
12
1
SW
12
1.2
SSW
12
1.1
SSW
12
1.3
SSW
12
1.2
SSW
11
1.1
SSW
11
1
SSW
11
1
SSW
11
1
SSW
11
0.7
SW
11
0.7
SW
11
Wave Graph
Metric surfscale
Energy kJ
926
1834
1588
1279
1126
908
721
711
700
555
449
386
236
278
390
353
444
349
280
234
239
230
123
119
Wind (km/h)
20
SSE
15
SSE
20
SE
25
SSE
25
SSE
25
SSE
25
SE
20
SE
20
ESE
15
E
15
ESE
10
ESE
10
SE
5
ESE
10
ENE
10
ENE
10
ESE
5
ENE
10
NE
5
ENE
10
S
5
S
0
SSE
5
SE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-on
glassy
cross-off
cross-off
cross
cross-off
cross-off
cross-off
on
glassy
glassy
glassy
High Tide
5:28AM1.46m
6:01PM1.51m
6:19AM1.35m
6:52PM1.45m
7:13AM1.24m
7:46PM1.38m
Low Tide
11:25PM0.18m
11:43AM0.13m
00:18AM0.24m
12:30PM0.22m
1:14AM0.32m
1:20PM0.32m
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
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>
7:48
7:50
7:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
 mm
Temp °C
13
14
14
15
18
17
16
15
14
14
14
15
20
21
19
18
19
19
20
23
25
22
21
20
Feels °C
10
12
11
11
13
12
12
12
11
12
12
13
19
20
18
16
16
17
16
20
21
20
20
18
Swell 1
Height (m)
Direction
Period (s)
1.3
SSW
13
1.9
SSW
16
1.8
SSW
16
1.7
SSW
15
1.7
SSW
14
1.5
SSW
14
1.4
SW
13
1.4
SW
13
1.4
SW
13
1.3
SSW
13
1.2
SW
12
1.1
SW
12
1
SSE
7
0.9
SSE
7
1.2
SSW
12
1.1
SSW
12
1.3
SSW
12
1.2
SSW
11
1.1
SSW
11
1
SSW
11
1
SSW
11
1
SSW
11
0.7
SW
11
0.7
SW
11
Energy kJ
587
1834
1588
1279
1126
908
721
711
700
555
449
386
93
79
390
353
444
349
280
234
239
230
123
119
Swell 2
Height (m)
Direction
Period (s)
1.3
SSW
16
1.3
SW
13
0.1
SW
20
0.8
S
6
0.4
SSW
17
0.9
S
7
0.9
SW
12
1
SW
12
0.8
SSE
6
0.6
SE
6
0.2
SSW
18
0.1
SW
18
0.2
SSW
16
0.4
SW
16
0.2
SSW
16
0.4
SW
15
0.6
S
9
0.6
S
9
Energy kJ
926
560
15
47
108
72
236
278
54
31
31
12
26
66
25
60
59
56
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
18
0.5
SSW
16
0.7
SSW
15
0.7
SSW
15
0.1
SW
18
0.2
SSW
18
0.7
WSW
12
0.3
SW
17
0.4
SW
16
0.4
SW
16
0.5
SE
7
0.5
SE
7
0.4
SW
15
0.5
SW
15
Energy kJ
61
146
193
188
13
31
142
47
91
91
21
23
55
106
Wind waves
Height (m)
Direction
Period (s)
1
SSE
5
0.9
SSE
4
1
SSE
4
0.9
SE
4
0.9
SE
4
0.9
SSE
4
1
SE
4
1
SSE
4
1.2
SSE
5
0.8
ESE
4
1.2
SSE
6
0.7
ESE
6
1.7
SE
6
1.6
SE
6
1.6
SE
6
1.4
SE
6
Energy kJ
50
34
42
24
24
29
33
38
78
21
113
27
191
178
188
144
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
4
4
2
1
1
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
Distance (km)
21
21
21
36
83
21
21
21
16
12
16
12
16
0
0
0
12
0
0
0
16
0
0
0
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
2
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
9
9
9
5
5
5
5
6
6
6
4
8
4
4
6
4
4
4
5
5
9
5
  • 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
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