Gnaraloo Surf Break

Lat Long: 23.76° S 113.54° E

Gnaraloo 48 hour detailed Surf Forecast

Issued: 1 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Gnaraloo sea temperature is
22.1°C
0.4° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 5.5ft (1.7m), 14s period with WSW swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 5ft (1.5m), 13s period with WSW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 4.5ft (1.3m), 13s period with WSW swell.

The current surf forecast for Gnaraloo at 10AM is: 1.7m 14s primary swell from a West-southwest direction (forecast issued at 01:00am September 20). An open ocean swell of 0.7m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (AWST) & DateWave HeightWave Period
Morning (20 Sep)5.5ft (1.7m)14s
Afternoon (20 Sep)5ft (1.5m)13s
Evening (20 Sep)4.5ft (1.3m)13s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue morning, min 16°C on Sun morning). Mainly strong winds.

Sunday
20
Monday
21
Tuesday
22
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
3
3
2
0
1
0
0
1
0
2
1
1
1
2
2
2
2
3
1
0
0
1
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)
2
WSW
14
1.8
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
1.2
WSW
12
1.1
WSW
12
1.1
WSW
13
1.2
WSW
13
1.1
SW
12
1.3
WSW
16
1.4
WSW
16
1.5
WSW
16
1.5
WSW
16
1.6
WSW
16
1.6
WSW
16
1.5
WSW
15
1.4
WSW
15
1.3
WSW
15
1.2
WSW
14
1.2
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1569
1241
1214
1074
905
623
522
426
413
355
378
465
359
848
962
1041
1041
1169
1241
1079
917
706
565
557
Wind (km/h)
30
S
25
SSE
30
SSE
25
SSE
25
SSW
35
SSW
35
S
30
S
25
S
25
SSE
25
S
20
SSW
35
SSW
35
SSW
35
SSW
30
S
25
S
30
S
30
S
25
S
35
SSW
40
SSW
40
SSW
35
S
Wind State
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:18AM1.03m
4:46PM0.55m
3:10AM0.95m
4:58AM0.89m
10:27PM0.74m
Low Tide
10:30AM0.44m
6:06PM0.55m
1:11PM0.43m
2:12PM0.39m
clear
clear
clear
clear
clear
clear
clear
clear
clear
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>
6:18
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:20
6:21
6:21
 mm
Temp °C
18
16
16
21
24
22
20
19
19
18
19
24
24
24
21
20
20
19
20
25
25
24
21
20
Feels °C
13
11
10
16
20
15
15
14
15
15
16
21
19
19
17
16
17
16
16
21
20
18
16
16
  • 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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