Alkimos Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 7 pm 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
18.8° C
0.2° 

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


Alkimos surf forecast from 7 Aug 2026:

  • Best quality surf: Saturday 8 Aug, 11PM (local time) - 16ft (5.0m), 16s period, WSW swell with cross-onshore winds.
  • Most powerful swell: Saturday 8 Aug, 8PM (local time) - 16ft (5.0m), 16s period, WSW swell with 12,293 kJ wave energy.
  • Next surfable swell (1★+): Saturday 8 Aug, 11PM (local time) - 16ft (5.0m), 16s 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 (Aug 08) at 11PM. The primary swell is predicted to be 5.0m and 16s period with a secondary swell of 4.5m and 16s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Alkimos in the next 16 days are 5.0m 16s and forecast to arrive on Saturday (Aug 08) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 8th Aug)16ft (5.0m) 16s
Best Surf11PM (Sat 8th Aug)16ft (5.0m) 16s
Most Powerful 8PM (Sat 8th Aug)16ft (5.0m) 16s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Fri night. Very mild (max 16°C on Fri night, min 11°C on Sat night). Winds decreasing (near gales from the SW on Fri night, light winds from the NE by Sun morning).

Days 5-7 Weather Summary

Moderate rain (total 10mm), heaviest on Mon night. Very mild (max 17°C on Wed afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, calm by Wed night).

Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
7
6
3
0
0
0
0
8
0
3
3
2
4
4
3
5
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
WSW
15
5
WSW
14
5
WSW
15
4.5
WSW
17
3.5
WSW
16
3
WSW
16
2.4
WSW
16
3.5
WSW
8
4.5
WSW
11
4.5
WSW
16
4.5
WSW
16
4
WSW
16
3
WSW
16
2.5
SW
15
2.4
WSW
15
2.1
SW
14
2.1
SW
15
2.2
SW
17
2.4
SW
17
Wave Graph
Metric surfscale
Energy kJ
5246
9300
10881
10670
6270
4267
2647
1418
4574
9162
10132
7510
4620
2810
2378
1761
1810
2827
3156
Wind (km/h)
40
W
50
SW
40
SSW
15
S
10
NNW
15
WNW
25
WNW
45
W
50
SW
30
S
10
SSE
25
SW
15
SW
5
WSW
15
WSW
5
N
0
W
10
SSW
10
ESE
Wind State
cross-on
on
cross-on
cross
cross
cross-on
cross-on
on
on
cross-on
cross
cross-on
on
on
on
glassy
glassy
cross-on
cross-off
High Tide
5:08AM0.65m
6:14AM0.70m
7:14AM0.73m
8:08AM0.73m
8:56AM0.71m
9:38AM0.66m
00:23AM0.29m
Low Tide
3:32PM-0.01m
4:06PM-0.05m
4:42PM-0.06m
5:16PM-0.03m
5:43PM0.03m
5:57PM0.10m
2:19AM0.28m
rain showers
rain showers
rain showers
light rain
part cloud
cloud
rain showers
light rain
light rain
mod rain
rain showers
part cloud
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
6:58
6:58
6:56
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:46
5:46
5:47
5:47
 mm
6
3
4
1
4
3
5
7
1
1
1
Temp °C
16
13
13
13
13
15
16
16
14
11
11
16
16
16
17
16
16
16
16
Feels °C
8
2
4
5
11
12
12
8
4
1
7
10
10
15
13
14
15
13
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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