Alkimos Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 7 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
18.0°C
0.7° 

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


Alkimos surf forecast from 31 Aug 2026:

  • Best quality surf: Sunday 6 Sep, 8AM (local time) - 11ft (3.5m), 13s period, WSW swell with offshore winds.
  • Most powerful swell: Monday 7 Sep, 2AM (local time) - 10ft (3.0m), 17s period, WSW swell with 5,274 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 5AM (local time) - 7ft (2.2m), 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 5AM. The primary swell is predicted to be 2.2m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Alkimos in the next 16 days are 3.0m 17s and forecast to arrive on Monday (Sep 07) at 2AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 3rd Sep)7ft (2.2m) 14s
Best Surf 8AM (Sun 6th Sep)11ft (3.5m) 13s
Most Powerful 2AM (Mon 7th Sep)10ft (3.0m) 17s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Very mild (max 19°C on Mon afternoon, min 13°C on Tue morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Sat afternoon. Very mild (max 17°C on Thu afternoon, min 13°C on Fri night). Winds increasing (calm on Thu morning, near gales from the WSW by Sat afternoon).

Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
3
2
2
2
2
3
3
0
0
1
4
4
0
0
0
4
2
5
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
WSW
17
2
WSW
17
1.9
WSW
16
2.1
WSW
16
1.9
WSW
15
1.8
WSW
14
2
WSW
14
2.1
WSW
13
2.1
WSW
13
2.3
WSW
14
2.3
WSW
15
2.4
WSW
14
2.5
WSW
14
3
WSW
16
3
WSW
16
2.1
WSW
14
4
WSW
9
4
WSW
13
3.5
WSW
14
3
WSW
14
3
WSW
17
Wave Graph
Metric surfscale
Energy kJ
2564
2251
1750
2023
1557
1283
1516
1471
1520
2243
2305
2412
2480
5151
4268
1748
2871
4679
3820
3609
5274
Wind (km/h)
15
WNW
20
W
25
S
10
S
15
SSW
15
WSW
15
SW
10
WSW
10
NW
10
NNW
25
W
25
WSW
15
SW
10
WSW
15
NW
40
WNW
50
WSW
25
SSW
5
W
15
WSW
15
WSW
Wind State
cross-on
on
cross-on
cross
cross-on
on
on
on
cross
cross
on
on
cross-on
on
cross
cross-on
on
cross-on
on
on
on
High Tide
10:37AM0.39m
11:25PM0.51m
10:41AM0.31m
11:49PM0.56m
00:24AM0.59m
1:20AM0.61m
3:05AM0.61m
4:52AM0.63m
Low Tide
4:38PM0.22m
6:22AM0.25m
4:21PM0.23m
2:55PM0.20m
1:45PM0.13m
2:05PM0.06m
2:35PM0.01m
3:07PM-0.01m
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
light rain
light rain
part cloud
rain showers
clear
clear
clear
light rain
light rain
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
6:33
6:31
6:31
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
6:00
6:00
6:00
6:01
6:01
6:02
 mm
2
1
2
1
4
Temp °C
18
19
18
15
15
15
15
16
16
14
17
16
16
16
15
17
17
15
15
15
16
Feels °C
16
16
15
12
11
12
11
13
14
14
13
11
12
12
13
9
8
5
12
10
13
  • 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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