Gnaraloo Surf Break

Lat Long: 23.76° S 113.54° E

Gnaraloo 48 hour detailed Surf Forecast

Issued: 1 pm 18 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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 6.5ft (2.0m), 17s period with WSW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 8ft (2.5m), 17s period with WSW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 8ft (2.5m), 17s period with WSW swell.

The current surf forecast for Gnaraloo at 6PM is: 2.5m 17s primary swell from a West-southwest direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (18 Aug)6.5ft (2.0m)17s
Afternoon (18 Aug)8ft (2.5m)17s
Evening (18 Aug)8ft (2.5m)17s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Thu morning. Warm (max 23°C on Wed afternoon, min 15°C on Wed night). Mainly fresh winds.

Tue
18
Wednesday
19
Thursday
20
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
3
3
4
5
3
4
3
4
4
4
2
2
3
4
2
4
4
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.3
WSW
17
2.5
WSW
17
2.5
WSW
17
2.5
WSW
17
2.5
WSW
16
2.4
WSW
16
2.3
WSW
16
2.2
WSW
16
2.1
WSW
16
2
WSW
16
1.8
WSW
15
1.7
WSW
15
1.7
WSW
15
1.7
WSW
15
1.7
WSW
17
1.7
WSW
16
1.8
WSW
16
1.8
WSW
16
1.8
WSW
16
1.8
WSW
16
1.7
WSW
16
Wave Graph
Metric surfscale
Energy kJ
2981
3509
3509
3427
3208
2943
2643
2365
2134
1842
1460
1305
1240
1288
1574
1500
1616
1652
1652
1631
1466
Wind (km/h)
10
SE
15
W
15
WSW
15
SW
10
SSW
20
SSE
20
SSE
30
SE
25
SE
15
ESE
5
SSE
25
SSE
30
SSE
25
SSE
20
SE
30
SSE
20
ESE
5
E
5
SE
20
SE
10
SSE
Wind State
off
cross-on
cross
cross
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
off
glassy
glassy
off
off
High Tide
1:28PM0.87m
1:35AM1.21m
2:02PM0.76m
2:05AM1.17m
2:38PM0.67m
Low Tide
6:53PM0.33m
8:17AM0.30m
7:09PM0.39m
9:04AM0.35m
7:21PM0.43m
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
mod rain
mod rain
light rain
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:09
6:09
 mm
1
2
3
7
6
1
Temp °C
20
22
21
20
20
19
18
16
20
23
23
20
18
15
16
15
18
20
20
18
18
Feels °C
20
21
20
19
20
17
15
11
15
20
21
15
13
11
14
10
16
20
21
15
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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