Gnaraloo Surf Break

Lat Long: 23.76° S 113.54° E

Gnaraloo 48 hour detailed Surf Forecast

Issued: 7 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Gnaraloo sea temperature is
21.9°C
0.2° 

Gnaraloo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Gnaraloo today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.7m), 13s period with WSW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 17s period with W swell.

The current surf forecast for Gnaraloo at 2PM is: 0.5m 18s primary swell from a West direction and 0.7m 13s secondary swell from a West-southwest direction, 0.3m 2s secondary swell from a West-southwest direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-onshore.

Time (AWST) & DateWave HeightWave Period
Morning (18 Sep)2.5ft (0.8m)13s
Afternoon (18 Sep)2.5ft (0.7m)13s
Evening (18 Sep)3.5ft (1.1m)17s

Table - waves today at Gnaraloo. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 25°C on Fri morning, min 16°C on Sat night). Winds increasing (light winds from the W on Fri morning, fresh winds from the SSW by Sat afternoon).

Friday
18
Saturday
19
Sunday
20
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
1
1
3
3
4
3
1
1
2
2
2
2
3
3
1
0
0
0
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)
0.8
WSW
14
0.8
WSW
14
0.8
WSW
13
0.7
WSW
13
1.2
WSW
16
1
W
17
1.2
W
17
1.4
W
17
1.9
WSW
16
2.1
WSW
16
2.2
WSW
16
2.2
WSW
16
2.1
WSW
15
2.1
WSW
15
2
WSW
15
1.9
WSW
14
1.9
WSW
14
1.8
WSW
14
1.7
WSW
13
1.6
WSW
13
1.4
WSW
13
1.3
WSW
13
1.2
WSW
13
Wave Graph
Metric surfscale
Energy kJ
217
207
201
155
722
589
879
1160
1899
2161
2252
2276
1976
1850
1613
1419
1423
1214
1028
892
623
522
426
Wind (km/h)
5
SW
10
SW
10
W
25
W
35
WSW
35
SW
30
S
25
S
20
SSE
25
SSE
20
S
30
SW
35
SSW
35
S
35
S
30
S
30
SSE
30
SSE
20
SSE
30
SSW
35
SSW
35
SSW
35
S
Wind State
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:06PM0.67m
1:42AM1.10m
2:49PM0.60m
2:18AM1.03m
4:46PM0.55m
Low Tide
8:14AM0.30m
6:40PM0.46m
9:02AM0.38m
6:45PM0.50m
10:30AM0.44m
6:06PM0.55m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
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>
6:20
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:20
6:20
6:20
 mm
Temp °C
22
23
25
24
22
21
19
18
18
17
21
22
21
19
18
17
16
16
22
23
23
20
19
Feels °C
21
22
24
21
17
18
16
15
16
14
18
18
16
14
13
12
11
11
18
18
17
14
14
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gnaraloo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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