Gnaraloo Surf Break

Lat Long: 23.76° S 113.54° E

Gnaraloo 48 hour detailed Surf Forecast

Issued: 1 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) - 3ft (0.9m), 17s period with W swell.

The current surf forecast for Gnaraloo at 7AM is: 0.8m 14s primary swell from a West-southwest direction and 0.3m 18s secondary swell from a West direction (forecast issued at 01:00am September 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (AWST) & DateWave HeightWave Period
Morning (18 Sep)2.5ft (0.8m)13s
Afternoon (18 Sep)2.5ft (0.7m)13s
Evening (18 Sep)3ft (0.9m)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 SW on Fri morning, fresh winds from the SSW by Sun 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
1
1
1
0
0
1
1
2
3
4
3
2
1
2
2
2
2
3
3
1
1
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
14
0.8
WSW
13
0.7
WSW
13
1.1
WSW
13
0.8
W
17
1.2
W
17
1.4
W
17
1.8
WSW
16
2.1
WSW
16
2.2
WSW
16
2.2
WSW
16
2.1
WSW
15
2.1
WSW
15
2
WSW
14
1.9
WSW
14
2
WSW
14
1.8
WSW
14
1.6
WSW
13
1.5
WSW
13
1.7
WSW
13
1.3
WSW
13
1.2
WSW
13
Wave Graph
Metric surfscale
Energy kJ
217
217
207
201
155
389
368
879
1160
1656
2107
2305
2247
1976
1825
1591
1419
1534
1214
919
793
1030
522
426
Wind (km/h)
5
SSE
10
SW
10
SW
10
W
25
WSW
35
SW
30
SSW
30
S
25
S
20
S
25
SSE
20
S
30
SW
35
SSW
35
S
35
S
35
S
30
SSE
30
SSE
20
SSE
30
SSW
40
SSW
35
SSW
30
S
Wind State
off
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
1:13AM1.17m
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
clear
part cloud
clear
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
23
22
23
25
23
22
21
19
18
18
18
22
22
21
19
18
17
16
16
22
24
23
20
19
Feels °C
22
21
22
24
19
17
18
16
15
16
15
19
18
15
14
12
11
11
10
18
19
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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