NIne Mile Beach Surf Break

Lat Long: 33.90° S 121.80° E

NIne Mile Beach 48 hour detailed Surf Forecast

Issued: 1 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's NIne Mile Beach sea temperature is
16.3°C
0.4° 

NIne Mile Beach 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 Beach today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.

The current surf forecast for NIne Mile Beach at 6AM is: 1.1m 13s primary swell from a Southwest direction (forecast issued at 01:00am September 18). An open ocean swell of 0.3m 8s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (AWST) & DateWave HeightWave Period
Morning (18 Sep)3.5ft (1.1m)13s
Afternoon (18 Sep)3ft (0.9m)13s
Evening (18 Sep)2.5ft (0.7m)16s

Table - waves today at NIne Mile Beach. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Sun morning. Warm (max 26°C on Fri afternoon, min 11°C on Sun night). Winds increasing (calm on Fri morning, strong winds from the W by Sat afternoon).

Friday
18
Saturday
19
Sunday
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)
2
2
2
2
1
0
0
2
2
0
3
1
0
0
0
2
3
3
2
0
1
0
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
SSW
14
1
SSW
13
1.1
SW
13
0.9
SSW
13
0.9
SW
13
0.7
SSW
16
0.7
SW
16
0.6
SW
18
0.6
SW
18
1.1
SW
16
1.1
SW
16
1.3
SSW
16
1.3
SSW
16
1.2
SW
15
1.2
SSW
15
2.4
SW
14
3
SW
14
2.3
SW
10
2.4
SW
13
2.1
SW
13
2
SSW
13
2.3
SSW
14
2.2
SSW
13
2.5
SSW
16
Wave Graph
Metric surfscale
Energy kJ
396
373
406
309
241
264
278
246
246
587
580
832
811
649
568
2383
3446
1040
1982
1494
1338
2020
1643
3594
Wind (km/h)
20
N
15
NNW
15
WNW
5
W
15
S
25
SSE
30
E
15
NNE
15
NNE
25
WSW
15
NW
30
WNW
40
WNW
45
W
40
W
35
W
35
W
25
W
25
SW
20
SSW
20
SSW
25
SSE
15
SE
15
E
Wind State
off
off
cross-off
glassy
on
on
cross-on
cross-off
cross-off
cross
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
on
cross-on
cross-on
High Tide
00:51AM0.88m
10:12AM0.59m
1:14AM0.82m
1:38AM0.74m
Low Tide
7:41AM0.57m
5:16PM0.20m
5:10PM0.21m
4:48PM0.21m
part cloud
clear
cloud
clear
clear
part cloud
clear
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
light rain
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:47
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:46
 mm
1
Temp °C
24
23
20
21
26
19
20
20
21
18
18
20
22
20
18
16
16
15
15
14
15
13
13
12
Feels °C
20
19
18
22
25
16
16
18
19
14
16
15
14
11
10
9
10
11
11
10
11
8
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)
Map placeholder
How to use the Wavefinder 

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