Alkimos Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 7 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
18.2°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 5 Sep 2026:

  • Best quality surf: Saturday 5 Sep, 11PM (local time) - 6ft (1.9m), 13s period, WSW swell with glassy winds.
  • Most powerful swell: Monday 7 Sep, 2AM (local time) - 10ft (3.0m), 17s period, WSW swell with 5,177 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 11PM (local time) - 6ft (1.9m), 13s 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 Saturday (Sep 05) at 11PM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.1m and 24s. 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 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 Sunday (Sep 06) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 5th Sep)6ft (1.9m) 13s
Best Surf11PM (Sat 5th Sep)6ft (1.9m) 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 9mm), mostly falling on Sat night. Warm (max 20°C on Mon afternoon, min 10°C on Sun night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Wed afternoon, min 9°C on Tue night). Winds decreasing (fresh winds from the E on Wed morning, light winds from the ENE by Thu night).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
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
2
3
1
2
5
4
3
3
3
3
3
3
4
4
3
3
4
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
WSW
14
2.3
WSW
14
1.7
WSW
13
2.5
WSW
13
2.4
WSW
13
3
WSW
17
2.5
WSW
16
2.3
WSW
16
2.4
SW
16
2.5
WSW
17
2.5
WSW
16
2.5
WSW
16
2.3
WSW
16
2.2
WSW
16
1.9
WSW
15
1.6
WSW
15
1.3
WSW
14
1.3
WSW
14
0.9
WSW
20
1.4
WSW
20
2
WSW
18
Wave Graph
Metric surfscale
Energy kJ
2749
1990
1042
2257
1879
5177
3726
2615
2692
3700
3731
3037
2550
2355
1599
1038
732
742
602
1446
2490
Wind (km/h)
20
N
20
NW
15
SSE
30
SSE
25
SE
20
SE
15
SE
25
SE
20
ESE
30
ESE
30
ESE
25
ESE
30
E
20
E
20
ENE
25
NE
10
NE
5
ENE
15
NW
20
NW
30
WNW
Wind State
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
cross-on
cross-on
cross-on
High Tide
4:52AM0.63m
6:11AM0.64m
7:13AM0.65m
8:06AM0.63m
10:56PM0.31m
8:52AM0.58m
10:20PM0.35m
9:34AM0.52m
10:17PM0.41m
Low Tide
2:35PM0.01m
3:07PM-0.01m
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
cloud
light rain
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
6:26
6:26
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:04
6:04
6:05
6:05
6:06
 mm
1
8
4
Temp °C
15
17
15
14
17
15
16
20
17
17
20
17
15
21
19
18
21
20
19
19
18
Feels °C
12
13
13
8
11
10
12
17
13
11
14
11
8
17
16
13
20
18
17
17
16
  • 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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