Nine Mile Reef Surf Break

Nine Mile Reef 48 hour detailed Surf Forecast

Lat Long: 34.07° S 18.66° E

Issued: 1 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
14.7° 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 (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 10PM is: 1.4m 13s primary swell from a Southwest direction and 1.0m 4s secondary swell from a Southeast direction (forecast issued at 01:00pm 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 24°C on Sat afternoon, min 14°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
2
1
2
2
3
3
3
2
2
2
2
1
1
2
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)
1.7
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
1.1
SW
12
1.1
SW
12
1
SW
15
1
SW
12
1.2
SSW
12
1.3
SSW
12
1.3
SSW
12
1.2
SSW
11
1.1
SSW
11
0.8
SW
12
1
SSW
11
0.7
SW
11
0.7
SW
11
0.7
SW
11
0.7
SW
15
1
SW
15
1.1
SW
14
Wave Graph
Metric surfscale
Energy kJ
1279
1126
908
721
711
700
555
392
386
424
278
390
503
444
349
280
164
234
125
119
119
223
424
440
Wind (km/h)
25
SSE
25
SSE
25
SSE
25
SE
20
SE
20
SE
15
ESE
15
ESE
10
ESE
10
SE
5
ESE
10
ENE
10
ENE
10
E
5
NNE
10
NE
5
E
5
S
5
S
5
S
5
SE
5
ESE
5
SSE
0
SE
Wind State
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
glassy
on
on
glassy
glassy
glassy
glassy
glassy
High Tide
6:01PM1.51m
6:19AM1.35m
6:52PM1.45m
7:13AM1.24m
7:46PM1.38m
Low Tide
11:43AM0.13m
00:18AM0.24m
12:30PM0.22m
1:14AM0.32m
1:20PM0.32m
2:14AM0.39m
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>
7:50
7:50
7:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
5:43
 mm
Temp °C
16
18
17
16
15
14
14
14
16
20
21
19
18
19
18
20
22
24
22
20
20
20
19
19
Feels °C
12
13
12
12
12
11
12
12
14
19
20
17
16
16
15
16
19
21
19
18
18
19
17
18
Swell 1
Height (m)
Direction
Period (s)
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
1.1
SW
12
1.1
SW
12
1
SW
12
0.9
SSE
7
1.2
SSW
12
1.3
SSW
12
1.3
SSW
12
1.2
SSW
11
1.1
SSW
11
0.8
SW
12
1
SSW
11
0.7
SW
11
0.7
SW
11
0.7
SW
11
0.7
SW
15
1
SW
15
1.1
SW
14
Energy kJ
1279
1126
908
721
711
700
555
392
386
278
79
390
503
444
349
280
164
234
125
119
119
223
424
440
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
20
0.3
SSW
18
0.4
SSW
17
0.9
S
7
0.7
SSW
15
1
SW
12
0.8
SSE
6
0.2
SSW
18
0.2
SSW
18
0.1
SW
18
0.2
SSW
16
0.7
S
10
0.4
SW
16
0.6
S
9
0.6
S
9
0.6
S
9
0.6
SW
11
0.5
S
9
0.4
S
8
Energy kJ
15
61
108
70
193
278
52
31
31
12
26
90
65
57
56
55
72
37
21
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
18
0.5
SSW
16
1
SW
15
0.7
SSW
15
0.1
SW
18
0.3
SW
18
0.3
SW
18
0.3
WSW
11
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
15
0.5
SW
15
0.5
S
9
0.2
ESE
7
Energy kJ
150
146
424
188
13
49
49
24
91
66
66
62
55
107
37
5
Wind waves
Height (m)
Direction
Period (s)
0.9
SSE
4
0.9
SE
4
0.9
SSE
4
1
SE
4
1
SE
4
1.2
SSE
5
1.1
SSE
6
1.1
SSE
6
0.7
SE
6
1.1
SSE
6
1.7
SE
6
1.5
SE
6
1.2
SE
6
Energy kJ
28
24
29
33
35
61
91
100
31
96
212
170
112
Nearest Offshore or Glassy
Rating
(10 max)
4
4
2
1
1
1
3
3
3
3
3
3
3
3
2
2
2
3
2
2
2
2
2
2
Distance (km)
36
83
21
21
21
21
12
16
12
16
0
0
0
12
0
0
0
10
12
0
0
0
0
0
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
2
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
3
3
3
3
3
3
3
3
4
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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