Secret Harbour surf break

Secret Harbour surfForecast / WA – Perth City / Australia

information circle12 Day Weather and Surf, issued 1 pm Wednesday 31 Dec 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Secret Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Secret Harbour sea temperature is
22.1° C
(Which is 1.4°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Secret Harbour this week:

The surf forecast for Secret Harbour over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 01) at 2AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 1.0m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Secret Harbour in the next 12 days are 2.5m 14s and forecast to arrive on Tuesday (Jan 06) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Wednesday (Jan 07) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 1st Jan)2.5ft (0.7m) 11s
Best Surf 8AM (Thu 1st Jan)2.5ft (0.7m) 20s
Most Powerful 5PM (Tue 6th Jan)8ft (2.5m) 14s

Table - best surf conditions forecast for Secret Harbour over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 28°C on Thu morning, min 18°C on Fri night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Sat night, min 17°C on Mon night). Winds decreasing (fresh winds from the SW on Sat afternoon, light winds from the SSE by Sun morning).

Wed
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
1
0
2
0
0
2
0
0
1
0
0
0
0
0
1
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
0.7
WSW
0.9
WSW
1.3
WSW
1.4
WSW
1.4
WSW
2.1
SW
1.1
WSW
1.4
SW
1.9
SW
0.9
WSW
1.1
SW
1.4
SW
1.4
SSW
1
WSW
2.3
SW
1.6
SSW
1.1
WSW
2.5
SW
1.7
WSW
2
WSW
Period(s) (?)111119171614141312121211116127716141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2639963791788384516803845931013203308457160260465254636292311111432
Wind
(km/h)
30
SSW
15
ESE
15
W
30
SSW
20
S
30
SW
30
SW
25
S
25
SSW
35
SW
15
SSE
25
SW
35
SSW
20
S
30
SW
35
SW
25
S
35
SW
40
SW
25
SSE
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
oncross-
on
crossoncross-
on
crosscross-
on
cross-
on
crossoncross-
on
crosscross-
on
cross-
on
crosscross-
on
cross-
on
crosscross-
on
High Tide
/ height (m)
6:53PM
0.89
7:43PM
0.93
8:30PM
0.94
9:14PM
0.95
9:52PM
0.93
10:23PM
0.88
10:41PM
0.82
Low Tide
/ height (m)
4:45AM
0.08
5:25AM
0.04
6:04AM
0.05
6:41AM
0.10
7:13AM
0.18
7:34AM
0.27
7:36AM
0.35
Wed
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Sunrise--5:11--5:13--5:13--5:15--5:15--5:16--5:16
Sunset7:27--7:27--7:27--7:27--7:27--7:28--7:28--
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C242328242524242527242827242523222320202122
Feels °C (?)182023192119202124182423192121171815141416
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Secret Harbour Surf forecast

The above surf forecast table for Secret Harbour provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Secret Harbour can be found by selecting the local surf guide option on the grey menu. Our Secret Harbour surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Secret Harbour) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Secret Harbour may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Secret Harbour is 13 km (8 miles) from Mandurah. If you plan a holiday in Perth City Coast, look for hotels and other accommodation in Mandurah. Mandurah has rooms for a wide range of budgets as well as car hire and transport links.

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