Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 7 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
19.2°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 18 Oct 2026:

  • Best quality surf: Friday 23 Oct, 5AM (local time) - 10ft (3.0m), 16s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 22 Oct, 2AM (local time) - 11ft (3.5m), 17s period, WSW swell with 7,809 kJ wave energy.
  • Next surfable swell (1★+): Monday 19 Oct, 8AM (local time) - 7ft (2.2m), 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 Monday (Oct 19) at 8AM. The primary swell is predicted to be 2.2m and 13s 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 3.5m 17s and forecast to arrive on Thursday (Oct 22) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Oct 25) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 19th Oct)7ft (2.2m) 13s
Best Surf 5AM (Fri 23rd Oct)10ft (3.0m) 16s
Most Powerful 2AM (Thu 22nd Oct)11ft (3.5m) 17s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sun morning, min 13°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Wed night. Very mild (max 19°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light.

Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
2
1
2
2
3
4
0
0
0
0
0
5
3
2
2
0
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)
3
WSW
15
2.5
WSW
14
2.4
WSW
14
2.1
WSW
13
1.7
WSW
13
1.6
WSW
13
1.7
WSW
13
2.5
WSW
17
3
WSW
16
3
WSW
16
3.5
WSW
17
3.5
WSW
17
3.5
WSW
16
3.5
WSW
16
3.5
WSW
16
3
WSW
16
3
WSW
15
2.5
WSW
14
2.2
SW
14
1.9
WSW
13
1.9
SW
13
Wave Graph
Metric surfscale
Energy kJ
3164
2598
2049
1430
995
812
953
3580
4019
4242
6129
7809
6345
5805
5087
4285
3768
2803
1850
1253
1230
Wind (km/h)
25
WSW
25
WSW
10
SSW
10
SW
15
SW
5
SSW
10
WSW
15
SW
10
WNW
25
WNW
25
WNW
25
SW
25
SW
25
SSW
15
S
10
SW
20
SSW
15
WSW
30
WSW
35
SW
35
SW
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross-on
cross-on
on
on
on
on
High Tide
00:05AM0.52m
00:49AM0.48m
5:21AM0.46m
8:44PM0.40m
6:32AM0.44m
8:19PM0.44m
7:35AM0.42m
8:18PM0.49m
8:38AM0.39m
8:27PM0.55m
Low Tide
1:26PM0.13m
1:38PM0.14m
1:42PM0.15m
1:40PM0.17m
1:20AM0.37m
1:39PM0.19m
2:11AM0.30m
1:41PM0.22m
2:57AM0.22m
1:43PM0.26m
3:44AM0.15m
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
light rain
part cloud
clear
part cloud
clear
clear
part cloud
light rain
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
—
—
5:33
—
—
5:33
—
—
5:31
—
—
5:30
—
—
5:28
—
—
5:28
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:30
—
—
6:30
—
—
6:30
—
—
6:31
—
—
6:32
—
—
6:34
—
—
6:34
—
 mm
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
1
—
5
Temp °C
17
17
16
16
16
15
17
17
16
18
19
18
16
16
15
16
16
15
16
15
14
Feels °C
12
11
11
13
13
12
15
14
15
14
15
15
11
11
10
13
11
12
12
8
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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