Secret Harbour surf break

Secret Harbour surfForecast / WA – Perth City / Australia

information circle12 Day Weather and Surf, issued 1 pm Tuesday 08 Jul 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
18.5° C
(Which is 1.1°C colder than average 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 Tuesday (Jul 08) at 8PM. The primary swell is predicted to be 3.0m and 14s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Secret Harbour in the next 12 days are 3.5m 14s and forecast to arrive on Tuesday (Jul 08) 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 0.9m 4s period and expected on Friday (Jul 11) at 11AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 8th Jul)10ft (3.0m) 14s
Best Surf 8AM (Wed 9th Jul)8ft (2.4m) 14s
Most Powerful 5PM (Tue 8th Jul)11ft (3.5m) 14s

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

Updates in  hr  min  s Forecast update imminent
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3.5
WSW
2.5
WSW
2.3
WSW
2.2
WSW
1.9
WSW
1.7
WSW
1.7
WSW
1.7
WSW
1.7
WSW
2.2
WSW
3
W
3
WSW
2.5
WSW
2.4
WSW
2.4
WSW
2.3
WSW
2.1
WSW
1.5
WSW
2
WSW
2
WSW
1.8
WSW
1.3
WSW
2.1
WSW
2.1
WSW
2.5
WSW
2.5
WSW
3
WSW
4
WSW
3.5
WSW
3
WSW
3
WSW
2.4
WSW
2
WSW
1.8
WSW
2.3
WSW
3
WSW
Period(s) (?)141413141414141314171615141414141313121213181716181717171616161514141313
Wave
Graph
(?)Metric surfscale
Energy (?)45552867192917331509113412051201217730164299366528262119222119701534934124517162003194326873066452437235527780758154628383325161592119017232718
Wind
(km/h)
30
SSW
15
SSE
10
SSE
10
SSW
10
NNE
20
NW
20
WNW
25
N
25
N
35
NNW
30
NW
30
W
30
SW
20
SSE
10
ESE
20
S
10
ESE
5
ESE
10
SSW
15
ESE
5
E
15
NE
10
E
5
E
15
SSW
5
ENE
20
SW
25
SE
15
ESE
10
E
5
SW
10
NNE
15
SW
30
WNW
10
SE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
off
crosscross-
on
ononcrosscross-
off
cross-
on
cross-
off
cross-
off
cross-
on
cross-
off
offcross-
off
offglasscross-
on
offoncross-
off
cross-
off
offglasscross-
off
oncross-
on
cross-
off
cross
High Tide
/ height (m)
7:58AM
1.05
8:38AM
1.09
9:17AM
1.12
9:57AM
1.14
10:37AM
1.12
11:16AM
1.07
2:57AM
0.73
11:53AM
0.98
2:23AM
0.77
12:25PM
0.87
2:37AM
0.82
3:13AM
0.86
4:04AM
0.90
5:07AM
0.94
Low Tide
/ height (m)
5:06PM
0.35
5:27PM
0.33
5:55PM
0.34
6:25PM
0.38
6:56PM
0.44
7:23PM
0.51
7:43PM
0.57
3:22AM
0.73
7:47PM
0.63
5:33AM
0.75
7:27PM
0.66
6:37PM
0.64
5:06PM
0.57
3:48PM
0.45
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
Sunrise--7:18--7:18--7:18--7:16--7:16--7:16--7:16--7:16--7:16--7:15--7:15--7:13
Sunset5:24--5:25--5:25--5:27--5:27--5:28--5:28--5:29--5:29--5:30--5:30--5:30--
rain showersclearclearclearclearpart cloudcloudpart cloudclearclearrain showersmod rainrain showersrain showerspart cloudclearpart cloudclearpart cloudpart cloudcloudcloudclearclearclearpart cloudcloudrain showersclearclearclearpart cloudrain showersrain showersrain showersclear
Rain (mm)
1---------121032-------------1----324-
Temp. °C171511141416161613191918181312141313151412141312141317141111141213151412
Feels °C (?)10118121311111271212131389119101211910101010913978128108126

Short Range Forecast: Some drizzle, heaviest during Tue afternoon. Very mild (max 17°C on Tue afternoon, min 11°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed night).

Days 3-6 Weather Summary Heavy rain (total 27mm), heaviest during Fri night. Very mild (max 19°C on Fri afternoon, min 11°C on Sun morning). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the ESE by Mon morning).

Days 6-9 Weather Summary Mostly dry. Very mild (max 17°C on Thu morning, min 10°C on Tue night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 15°C on Sat afternoon, min 8°C on Fri morning). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sat afternoon).

  • 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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