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

Middle Lagoon Surf Forecast

6am Wed 17 Sep
1-2ft W 8kt SW
(Waist High)
0.7m @ 15.4s W (260°)
0.4m @ 6s WSW (238°)
12pm Wed 17 Sep
1ft W 4kt SW
(Knee High)
0.6m @ 14.8s W (261°)
0.5m @ 7.3s WSW (241°)
0.3m @ 9.8s WSW (253°)
6pm Wed 17 Sep
1ft W 8kt WSW
(Knee High)
0.6m @ 14.5s W (260°)
0.5m @ 7.4s WSW (244°)
0.4m @ 9.6s WSW (253°)
6am Thu 18 Sep
1ft WSW 4kt W
(Knee High)
0.5m @ 13.6s WSW (258°)
0.6m @ 9.1s WSW (249°)
12pm Thu 18 Sep
1ft WSW 7kt SW
(Knee High)
0.5m @ 13.4s WSW (256°)
0.5m @ 8.9s WSW (249°)
6pm Thu 18 Sep
1ft WSW 8kt W
(Knee High)
0.4m @ 13.1s WSW (256°)
0.5m @ 8.9s WSW (250°)
6am Fri 19 Sep
0.5ft WSW 6kt SSW
(Ankle High)
0.3m @ 12s WSW (253°)
0.4m @ 8.5s WSW (249°)
0.2m @ 14.9s W (261°)
12pm Fri 19 Sep
0.5ft WSW 10kt SW
(Ankle High)
0.4m @ 8.4s WSW (248°)
0.2m @ 14.9s W (260°)
0.2m @ 11.8s WSW (252°)
6pm Fri 19 Sep
0.5ft WSW 10kt SW
(Ankle High)
0.4m @ 8.8s WSW (247°)
0.2m @ 14.8s W (260°)
0.2m @ 11.3s WSW (252°)

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
Wed 6am
Wed 12pm
Wed 6pm
Thu 6am
Thu 12pm
Thu 6pm
Fri 6am
Fri 12pm
Fri 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
SW 8kt
A
SW 4kt
A
WSW 8kt
A
W 4kt
A
SW 7kt
A
W 8kt
A
SSW 6kt
A
SW 10kt
A
SW 10kt
Tide Times & Weather
Sunny 20°C // 31°C
Mostly sunny 21°C // 32°C
Mostly sunny 21°C // 33°C

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Wed 17/09
12am
1-2ft
WSW 9kt
0.7 m
16s 259 (W)
0.3 m
4.2s 232 (SW)
6am
1-2ft
SW 8kt
0.7 m
15.4s 260 (W)
0.4 m
6s 238 (WSW)
12pm
1ft
SW 4kt
0.6 m
14.8s 261 (W)
0.5 m
7.3s 241 (WSW)
0.3 m
9.8s 253 (WSW)
6pm
1ft
WSW 8kt
0.6 m
14.5s 260 (W)
0.5 m
7.4s 244 (WSW)
0.4 m
9.6s 253 (WSW)
+
Wed 17/09
1ft
SW 4kt
0.6 m
14.8s 261 (W)
0.5 m
7.3s 241 (WSW)
0.3 m
9.8s 253 (WSW)
-
Thu 18/09
12am
1ft
WSW 9kt
0.5 m
14s 259 (W)
0.6 m
9.1s 248 (WSW)
6am
1ft
W 4kt
0.5 m
13.6s 258 (WSW)
0.6 m
9.1s 249 (WSW)
12pm
1ft
SW 7kt
0.5 m
13.4s 256 (WSW)
0.5 m
8.9s 249 (WSW)
6pm
1ft
W 8kt
0.4 m
13.1s 256 (WSW)
0.5 m
8.9s 250 (WSW)
+
Thu 18/09
1ft
SW 7kt
0.5 m
13.4s 256 (WSW)
0.5 m
8.9s 249 (WSW)
-
Fri 19/09
12am
1ft
WSW 10kt
0.4 m
12.3s 255 (WSW)
0.4 m
8.8s 249 (WSW)
6am
0.5ft
SSW 6kt
0.3 m
12s 253 (WSW)
0.4 m
8.5s 249 (WSW)
0.2 m
14.9s 261 (W)
12pm
0.5ft
SW 10kt
0.4 m
8.4s 248 (WSW)
0.2 m
14.9s 260 (W)
0.2 m
11.8s 252 (WSW)
6pm
0.5ft
SW 10kt
0.4 m
8.8s 247 (WSW)
0.2 m
14.8s 260 (W)
0.2 m
11.3s 252 (WSW)
+
Fri 19/09
0.5ft
SW 10kt
0.4 m
8.4s 248 (WSW)
0.2 m
14.9s 260 (W)
0.2 m
11.8s 252 (WSW)
  • bulletin_datetime_utc => 2025-09-16 06:00:00
  • location_identifier => 127
  • timezone => Australia/Perth