Nine Mile Reef Surf Break

Nine Mile Reef 48 hour detailed Surf Forecast

Lat Long: 34.07° S 18.66° E

Issued: 1 am 17 Jun 2026 (local time)

Forecast update in  hr  min

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

1.4°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 (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 4.5ft (1.3m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 4.5ft (1.3m), 14s period with SSW swell.
  • Evening surf: Evening surf (17 Jun, local time) - 5.5ft (1.7m), 14s period with SSW swell.

The current surf forecast for Nine Mile Reef at 6AM is: 0.8m 14s primary swell from a South-southwest direction and 0.9m 11s secondary swell from a South-southwest direction, 1.1m 6s secondary swell from a Southeast direction (forecast issued at 01:00am June 17). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (17 Jun)4.5ft (1.3m)13s
Afternoon (17 Jun)4.5ft (1.3m)14s
Evening (17 Jun)5.5ft (1.7m)14s

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 21°C on Fri afternoon, min 13°C on Wed morning). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
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
2
1
1
2
1
2
1
0
1
0
0
0
0
1
0
2
1
2
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
SSW
12
0.8
SSW
14
1.3
SSW
13
1.3
SSW
13
1.3
SSW
13
1.4
SSW
14
1.7
SSW
14
1.6
SSW
14
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
1.5
SSW
13
1.8
SSW
13
1.2
SW
13
1.1
SW
12
0.9
SW
12
0.9
SW
15
2
SE
6
1.1
SW
12
1
SSW
12
Wave Graph
Metric surfscale
Energy kJ
275
232
536
528
624
765
1083
955
926
1834
1588
1279
1126
908
732
745
1057
486
341
248
318
311
330
299
Wind (km/h)
15
SE
15
SE
10
SE
10
SE
15
SSE
15
SSE
15
SE
15
SSE
10
SE
15
SSE
20
SSE
20
SSE
25
SSE
25
SSE
25
SSE
20
SE
15
SE
20
SE
15
ESE
15
ESE
10
ESE
10
ESE
10
E
10
E
Wind State
cross-on
cross-on
cross-on
cross-on
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-on
cross
cross-on
cross
cross
High Tide
4:38AM1.54m
5:11PM1.55m
5:28AM1.46m
6:01PM1.51m
6:19AM1.35m
6:52PM1.45m
Low Tide
10:56AM0.06m
11:25PM0.18m
11:43AM0.13m
00:18AM0.24m
12:30PM0.22m
clear
clear
clear
clear
clear
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
7:48
7:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:42
5:43
 mm
Temp °C
13
13
13
15
18
18
16
15
14
14
14
16
19
17
16
15
14
14
13
16
20
21
18
18
Feels °C
10
10
11
13
16
16
14
13
13
12
11
13
15
12
12
11
11
11
10
14
18
19
16
15
Swell 1
Height (m)
Direction
Period (s)
1
SSW
12
0.9
SSW
11
1.3
SSW
13
1.3
SSW
13
1.3
SSW
13
1.4
SSW
14
1.7
SSW
14
1.6
SSW
14
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
1.5
SSW
13
1.8
SSW
13
1.2
SW
13
1.1
S
7
0.9
SW
12
0.9
SW
12
1.2
SSE
7
1.1
SSE
7
1
SSW
12
Energy kJ
275
200
536
528
624
765
1083
955
587
1834
1588
1279
1126
908
732
745
1057
486
110
248
244
132
115
299
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
14
0.8
SSW
14
0.4
SW
12
0.5
SW
12
0.2
SSW
19
0.4
SW
18
0.9
SSW
18
1.3
SSW
16
1.3
SW
13
0.1
S
20
0.3
SSW
18
1.1
SW
12
0.5
SSW
16
0.5
SSW
15
0.9
SW
12
1.1
SW
12
0.9
SE
7
Energy kJ
163
232
37
72
37
80
480
926
560
8
60
341
146
128
240
330
69
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
18
0.4
SSW
17
0.5
SW
12
0.9
SW
15
0.5
SSW
15
0.4
SW
15
0.2
SSW
18
Energy kJ
79
113
71
318
123
77
31
Wind waves
Height (m)
Direction
Period (s)
1.1
SE
6
1.2
SE
6
1.1
SE
6
0.9
SSE
6
0.9
SSE
6
1.4
SSE
5
1.3
SSE
6
1.1
SE
5
0.9
SSE
5
1
SSE
5
1.1
SE
5
0.9
SE
4
0.9
SSE
4
1
SE
4
1
SE
4
0.9
SE
4
0.6
E
4
1.3
SSE
6
0.9
ESE
5
1.4
SSE
7
1.3
SSE
7
2
SE
6
1.9
SE
6
1.7
ESE
7
Energy kJ
72
95
75
55
53
110
101
60
44
44
49
26
31
35
35
24
11
136
44
186
162
311
287
237
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
3
4
4
4
4
2
2
2
4
1
1
2
1
3
3
3
3
3
3
Distance (km)
16
16
16
16
16
16
16
16
16
16
21
21
21
256
21
21
21
21
16
16
12
12
12
12
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
3
4
4
4
4
4
4
4
4
4
4
2
4
4
4
4
4
4
4
4
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
4
4
4
4
4
4
4
4
4
5
5
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
5
5
4
5
4
4
4
5
8
9
9
6
5
5
6
5
7
7
6
9
4
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
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