Alkimos Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 1 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
18.4°C
0.4° 

Alkimos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Alkimos surf forecast from 2 Sep 2026:

  • Best quality surf: Thursday 3 Sep, 8AM (local time) - 7.5ft (2.3m), 14s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 6 Sep, 5AM (local time) - 15ft (4.5m), 13s period, SW swell with 6,083 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 8AM (local time) - 7.5ft (2.3m), 14s period with WSW swell.

Best Forecast Surf Conditions for Alkimos this week:

The surf forecast for Alkimos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 8AM. The primary swell is predicted to be 2.3m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Alkimos in the next 16 days are 4.5m 13s and forecast to arrive on Sunday (Sep 06) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Sep 06) at 11AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 3rd Sep)7.5ft (2.3m) 14s
Best Surf 8AM (Thu 3rd Sep)7.5ft (2.3m) 14s
Most Powerful 5AM (Sun 6th Sep)15ft (4.5m) 13s

Table - best surf conditions forecast for Alkimos over the next 16 days.


Short Range Forecast

Moderate rain (total 15mm), heaviest on Sat night. Very mild (max 17°C on Thu afternoon, min 12°C on Sat night). Winds increasing (light winds from the N on Thu morning, strong winds from the S by Sat night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Tue afternoon, min 8°C on Tue morning). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the SE by Tue night).

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
0
0
2
4
1
0
0
0
3
5
4
4
3
4
4
4
4
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.3
WSW
15
2.4
WSW
15
3
WSW
14
3
WSW
14
3
WSW
14
3
WSW
16
2.5
WSW
14
1.9
WSW
14
4.5
SW
11
3.5
SW
13
3
WSW
13
3
WSW
17
2.5
WSW
16
2.5
WSW
16
2.2
WSW
16
2.5
WSW
17
3
WSW
17
2.5
WSW
16
2.4
WSW
16
2.2
WSW
15
2
WSW
15
Wave Graph
Metric surfscale
Energy kJ
2305
2445
3418
3554
3761
4489
2870
1382
5208
4047
2470
5598
3870
3024
2300
3788
4375
3592
2786
2325
1835
Wind (km/h)
10
NNW
25
WNW
35
W
25
WSW
15
WSW
10
WNW
25
NNW
25
NW
50
S
35
S
30
SE
20
SE
25
ESE
20
SE
20
ESE
25
ESE
20
ESE
25
E
25
E
15
E
15
ENE
Wind State
cross
cross-on
on
on
on
cross-on
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
High Tide
1:20AM0.61m
3:05AM0.61m
4:52AM0.63m
6:11AM0.64m
7:13AM0.65m
8:06AM0.63m
10:56PM0.31m
Low Tide
1:45PM0.13m
2:05PM0.06m
2:35PM0.01m
3:07PM-0.01m
3:38PM-0.00m
4:05PM0.03m
4:24PM0.09m
1:23AM0.30m
part cloud
clear
rain showers
part cloud
part cloud
cloud
part cloud
rain showers
heavy rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:30
6:28
6:26
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:01
6:02
6:04
6:04
6:05
 mm
2
2
11
Temp °C
16
17
17
17
17
17
16
17
15
14
17
14
14
19
17
14
20
18
15
21
20
Feels °C
14
14
12
12
14
14
11
12
9
5
10
7
9
14
13
9
15
14
10
18
18
  • 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 Alkimos Surf forecast

The above surf forecast table for Alkimos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Alkimos can be found by selecting the local surf guide option on the grey menu. Our Alkimos 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 (Alkimos) 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 Alkimos 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.

Are you planning a holiday in Perth City Coast? If you are looking for accommodation near Alkimos, camping, hotels and holiday cottages in Perth City Coast, consider staying in Perth which is 35 km (22 miles) away. Other places in and around Perth City Coast where you can find information about places to rent, and car hire include Fremantle which is 43 km (27 miles) away, Canning Vale, Gosnells and Kwinana.

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