Gnaraloo Surf Break

Lat Long: 23.76° S 113.54° E

Gnaraloo 48 hour detailed Surf Forecast

Issued: 7 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Gnaraloo sea temperature is
22.3° C
0.3° 

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 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 5.5ft (1.7m), 16s period with WSW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.8m), 16s period with WSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 16s period with WSW swell.

The current surf forecast for Gnaraloo at 3PM is: 1.8m 16s primary swell from a West-southwest direction (forecast issued at 07:00am August 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (20 Aug)5.5ft (1.7m)16s
Afternoon (20 Aug)6ft (1.8m)16s
Evening (20 Aug)5.5ft (1.7m)16s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Thu morning. Warm (max 22°C on Sat afternoon, min 17°C on Thu morning). Wind will be generally light.

Thursday
20
Friday
21
Saturday
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)
4
4
2
4
3
4
3
4
4
4
4
3
3
3
3
3
3
3
4
2
1
1
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)
1.7
WSW
17
1.7
WSW
16
1.8
WSW
16
1.8
WSW
16
1.8
WSW
16
1.7
WSW
16
1.7
WSW
16
1.6
WSW
16
1.6
WSW
16
1.5
WSW
16
1.5
WSW
16
1.5
WSW
15
1.5
WSW
15
1.5
WSW
15
1.4
WSW
15
1.4
WSW
15
1.4
WSW
14
1.4
WSW
14
1.3
WSW
14
1.3
WSW
14
1.2
WSW
14
1.2
WSW
14
1.2
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1574
1500
1616
1596
1652
1411
1466
1239
1224
1055
1041
1001
988
962
833
811
800
800
687
687
585
594
602
Wind (km/h)
20
SSE
25
ESE
25
E
20
ESE
20
ESE
20
SSE
15
S
10
SSE
15
SE
15
E
15
ESE
25
E
15
ESE
15
SSW
15
SSE
15
SSE
15
SE
15
SE
10
SSE
10
WSW
25
SW
25
SSW
25
SSW
Wind State
off
off
cross-off
off
cross-off
off
cross-off
off
off
cross-off
off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-on
cross
cross-off
cross-off
High Tide
2:05AM1.17m
2:38PM0.67m
2:37AM1.12m
3:24PM0.58m
3:17AM1.06m
5:24PM0.51m
Low Tide
9:04AM0.35m
7:21PM0.43m
10:06AM0.41m
7:24PM0.48m
12:03PM0.43m
6:39PM0.51m
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:47
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:09
6:10
 mm
1
6
2
3
2
2
3
2
2
1
2
2
1
Temp °C
17
17
18
18
18
18
19
19
18
18
18
18
21
21
20
20
20
20
21
22
22
21
21
Feels °C
14
14
15
16
16
16
19
20
17
18
18
16
20
20
19
19
19
19
21
21
20
18
19
  • 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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