Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef 48 hour detailed Surf Forecast

Issued: 7 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
15.9°C
0.4° 

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 (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 3.5ft (1.1m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 4ft (1.2m), 11s period with SW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 5ft (1.6m), 12s period with SW swell.

The current surf forecast for Nine Mile Reef at 2PM is: 1.2m 11s primary swell from a Southwest direction (forecast issued at 07:00am October 20). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Oct)3.5ft (1.1m)11s
Afternoon (20 Oct)4ft (1.2m)11s
Evening (20 Oct)5ft (1.6m)12s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 18°C on Wed afternoon, min 12°C on Tue morning). Winds decreasing (fresh winds from the N on Tue night, light winds from the SSW by Thu night).

Tuesday
20
Wednesday
21
Thursday
22
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)
2
2
1
0
1
2
2
2
3
!
4
2
2
3
3
3
3
3
2
1
0
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)
1.1
SW
11
1.1
SW
11
1.1
SW
11
1.2
SW
11
1.4
SW
11
1.5
SW
12
1.6
SW
12
1.8
SW
12
2
SW
12
2.1
SW
12
2
SW
12
1.8
SW
12
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.6
SW
11
1.5
SW
11
1.6
SW
11
1.4
SW
11
1.5
SW
11
1.4
SW
11
1.5
SW
11
1.5
SSW
11
Wave Graph
Metric surfscale
Energy kJ
278
278
278
341
497
614
760
976
1188
1341
1125
954
736
723
699
675
563
606
506
553
455
544
563
Wind (km/h)
5
N
10
N
15
NW
25
NW
20
NW
25
NNW
30
N
30
N
30
N
25
N
20
NNW
15
NW
20
WNW
10
NW
10
NNW
10
NNW
10
NW
10
NW
15
W
15
W
15
SW
5
SSW
5
SSE
Wind State
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross
cross-on
on
cross-on
High Tide
11:25AM1.10m
11:46PM1.07m
12:10PM1.23m
00:30AM1.19m
12:45PM1.36m
Low Tide
4:59AM0.59m
5:53PM0.57m
5:55AM0.50m
6:33PM0.44m
6:34AM0.39m
7:06PM0.30m
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
rain showers
cloud
cloud
cloud
cloud
rain showers
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
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—
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5:56
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—
—
—
—
—
—
5:56
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—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
7:01
—
—
—
—
—
—
—
7:02
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—
—
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7:04
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 mm
—
—
—
—
—
—
—
1
1
1
2
2
—
—
—
—
1
—
—
—
—
—
—
Temp °C
12
12
16
17
15
15
15
14
13
14
15
17
18
16
15
15
15
15
17
18
17
15
14
Feels °C
10
9
11
11
11
10
9
8
8
10
12
15
14
15
13
14
14
14
14
15
14
14
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 

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