Alkimos Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 1 pm 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
18.1°C
0.6° 

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


Alkimos surf forecast from 7 Sep 2026:

  • Best quality surf: Wednesday 9 Sep, 5PM (local time) - 7ft (2.1m), 15s period, WSW swell with offshore winds.
  • Most powerful swell: Tuesday 8 Sep, 2PM (local time) - 8ft (2.5m), 17s period, WSW swell with 3,771 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 9 Sep, 5PM (local time) - 7ft (2.1m), 15s 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 Wednesday (Sep 09) at 5PM. The primary swell is predicted to be 2.1m and 15s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Alkimos in the next 16 days are 2.5m 17s and forecast to arrive on Tuesday (Sep 08) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Sep 08) at 11PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Wed 9th Sep)7ft (2.1m) 15s
Best Surf 5PM (Wed 9th Sep)7ft (2.1m) 15s
Most Powerful 2PM (Tue 8th Sep)8ft (2.5m) 17s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Wed afternoon, min 9°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Sat morning. Warm (max 20°C on Fri morning, min 14°C on Thu night). Mainly fresh winds.

Mon
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
3
3
4
3
3
4
4
3
3
4
3
1
3
0
0
1
0
1
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
16
2.4
WSW
16
2.5
WSW
17
2.5
WSW
16
2.5
WSW
16
2.1
WSW
16
2.1
WSW
15
1.9
WSW
15
1.6
WSW
15
1.4
WSW
15
1.5
WSW
16
1.5
WSW
14
1.4
WSW
19
2.3
WSW
17
2
WSW
16
1.6
WSW
16
2.2
W
10
2.5
WSW
11
2.4
WSW
13
2.5
WSW
14
Wave Graph
Metric surfscale
Energy kJ
2731
2750
3657
3636
2999
2172
1950
1578
1038
857
1040
943
1436
3063
1923
1245
1081
1349
1975
2560
Wind (km/h)
20
SSW
20
ESE
30
ESE
25
ESE
25
E
30
E
25
E
20
E
25
ENE
15
ENE
15
E
15
NW
20
WNW
15
NW
30
W
25
W
20
WNW
20
WNW
20
W
10
SE
Wind State
cross-on
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
cross
cross-on
cross
on
cross-on
cross-on
cross-on
on
cross-off
High Tide
7:13AM0.65m
8:06AM0.63m
10:56PM0.31m
8:52AM0.58m
10:20PM0.35m
9:34AM0.52m
10:17PM0.41m
10:11AM0.44m
10:25PM0.48m
10:40AM0.36m
10:36PM0.53m
Low Tide
3:38PM-0.00m
4:05PM0.03m
4:24PM0.09m
1:23AM0.30m
4:30PM0.16m
2:51AM0.27m
4:17PM0.22m
3:52AM0.25m
3:52PM0.25m
4:46AM0.23m
3:32PM0.25m
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
part cloud
rain showers
clear
part cloud
cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:24
6:22
6:22
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:04
6:05
6:05
6:06
6:07
6:07
 mm
3
Temp °C
19
18
14
18
17
16
20
18
16
19
18
20
20
17
18
17
17
17
18
17
Feels °C
15
14
8
12
11
10
15
13
11
17
16
18
17
16
13
12
14
13
14
15
  • 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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