Check the 16-day forecast with Swellnet Pro for $8.95/month

Gnaraloo Surf Forecast

6am Fri 19 Sep
4ft SSW 26kt SE
(Overhead)
2.6m @ 13.5s SSW (213°)
2.4m @ 6.9s SSE (166°)
Low: Fri 1:52am (0.78m)
12pm Fri 19 Sep
4ft SSW 24kt SSE
(Overhead)
3.1m @ 14s SSW (213°)
2.4m @ 6.9s SSE (163°)
Low: Fri 1:52am (0.78m)
High: Fri 8:00am (1.15m)
6pm Fri 19 Sep
3-5ft SW 23kt S
(Well Overhead)
3.3m @ 14.1s SW (214°)
2.4m @ 7.2s S (172°)
High: Fri 8:00am (1.15m)
Low: Fri 3:11pm (0.45m)
6am Sat 20 Sep
5ft SSW 23kt SE
(1.5x Overhead)
4.0m @ 14.6s SSW (201°)
0.2m @ 9.1s SE (133°)
High: Fri 9:37pm (1.02m)
Low: Sat 2:52am (0.67m)
12pm Sat 20 Sep
4-5ft SSW 16kt SE
(Well Overhead)
3.5m @ 14.5s SSW (211°)
1.4m @ 6.5s SE (139°)
Low: Sat 2:52am (0.67m)
High: Sat 9:01am (1.19m)
6pm Sat 20 Sep
3-5ft SW 18kt S
(Well Overhead)
3.1m @ 14.3s SW (215°)
1.8m @ 7.1s S (174°)
High: Sat 9:01am (1.19m)
Low: Sat 3:39pm (0.44m)
6am Sun 21 Sep
3-5ft SSW 16kt SE
(Well Overhead)
3.5m @ 13.8s SSW (202°)
High: Sat 9:56pm (1.11m)
Low: Sun 3:37am (0.56m)
12pm Sun 21 Sep
3-4ft SSW 8kt E
(Overhead)
3.1m @ 13.5s SSW (205°)
Low: Sun 3:37am (0.56m)
High: Sun 9:48am (1.20m)
6pm Sun 21 Sep
3-4ft SSW 6kt WNW
(Overhead)
2.7m @ 13.2s SSW (209°)
High: Sun 9:48am (1.20m)
Low: Sun 4:00pm (0.44m)

This is premium content for Swellnet Pro subscribers WHY?

Become a subscriber and receive access to ad-free 16 day surf forecasts and charts, detailed surf forecaster notes, dawn surf reports and premium, ad-free surfcams and replays.

Get Swellnet Pro
Fri 6am
Fri 12pm
Fri 6pm
Sat 6am
Sat 12pm
Sat 6pm
Sun 6am
Sun 12pm
Sun 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
SE 26kt
A
SSE 24kt
A
S 23kt
A
SE 23kt
A
SE 16kt
A
S 18kt
A
SE 16kt
A
E 8kt
A
WNW 6kt
Tide Times & Weather
Windy 12°C // 27°C
Mostly sunny 15°C // 31°C
Mostly sunny 17°C // 34°C

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Fri 19/09
12am
2-3ft
SSE 27kt
1.6 m
11s 213 (SSW)
1.4 m
13.6s 216 (SW)
2.4 m
6.6s 175 (S)
6am
4ft
SE 26kt
2.6 m
13.5s 213 (SSW)
2.4 m
6.9s 166 (SSE)
12pm
4ft
SSE 24kt
3.1 m
14s 213 (SSW)
2.4 m
6.9s 163 (SSE)
6pm
3-5ft
S 23kt
3.3 m
14.1s 214 (SW)
2.4 m
7.2s 172 (S)
+
Fri 19/09
4ft
SSE 24kt
3.1 m
14s 213 (SSW)
2.4 m
6.9s 163 (SSE)
-
Sat 20/09
12am
3-5ft
SSE 25kt
3.2 m
14.2s 215 (SW)
2.6 m
7.4s 177 (S)
6am
5ft
SE 23kt
4.0 m
14.6s 201 (SSW)
0.2 m
9.1s 133 (SE)
12pm
4-5ft
SE 16kt
3.5 m
14.5s 211 (SSW)
1.4 m
6.5s 139 (SE)
6pm
3-5ft
S 18kt
3.1 m
14.3s 215 (SW)
1.8 m
7.1s 174 (S)
+
Sat 20/09
4-5ft
SE 16kt
3.5 m
14.5s 211 (SSW)
1.4 m
6.5s 139 (SE)
-
Sun 21/09
12am
4ft
SSE 18kt
2.9 m
14.2s 215 (SW)
2.2 m
7.1s 177 (S)
6am
3-5ft
SE 16kt
3.5 m
13.8s 202 (SSW)
12pm
3-4ft
E 8kt
3.1 m
13.5s 205 (SSW)
6pm
3-4ft
WNW 6kt
2.7 m
13.2s 209 (SSW)
+
Sun 21/09
3-4ft
E 8kt
3.1 m
13.5s 205 (SSW)
  • bulletin_datetime_utc => 2025-09-18 12:00:00
  • location_identifier => 108
  • timezone => Australia/Perth