Alkimos Surf Break

Lat Long: 31.68° S 115.68° E

Alkimos Surf Forecast and Surf Report

Issued: 7 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Alkimos sea temperature is
18.2°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 14 Sep 2026:

  • Best quality surf: Tuesday 15 Sep, 2PM (local time) - 7ft (2.1m), 14s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Saturday 19 Sep, 5AM (local time) - 10ft (3.0m), 16s period, WSW swell with 4,318 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 15 Sep, 2PM (local time) - 7ft (2.1m), 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 Tuesday (Sep 15) at 2PM. The primary swell is predicted to be 2.1m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Alkimos in the next 16 days are 3.0m 16s and forecast to arrive on Saturday (Sep 19) at 5AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Sep 15) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Tue 15th Sep)7ft (2.1m) 14s
Best Surf 2PM (Tue 15th Sep)7ft (2.1m) 14s
Most Powerful 5AM (Sat 19th Sep)10ft (3.0m) 16s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 13mm), heaviest on Fri afternoon. Warm (max 20°C on Fri morning, min 14°C on Fri afternoon). Winds decreasing (near gales from the WSW on Fri night, light winds from the NNW by Sat night).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
3
4
3
3
2
1
0
2
0
1
0
0
0
2
2
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
14
2.2
WSW
14
2.1
WSW
14
1.9
WSW
14
1.4
WSW
14
1.3
WSW
14
1.2
WSW
15
1.1
WSW
14
1.1
WSW
14
1
WSW
13
3
W
9
3
WSW
9
1.9
WSW
16
3
WSW
15
2.5
WSW
14
2.2
WSW
13
1.7
WSW
13
1.6
WSW
12
2
WSW
15
Wave Graph
Metric surfscale
Energy kJ
2089
1987
1724
1427
721
561
608
474
447
326
1567
1776
1826
3854
3009
1700
889
749
1809
Wind (km/h)
25
ESE
20
E
15
SE
20
E
20
NE
10
ENE
20
NE
20
NW
20
NW
25
NNE
35
NNW
30
NNW
35
WSW
25
WSW
25
W
10
WNW
10
NW
15
SW
5
SE
Wind State
cross-off
cross-off
cross-off
off
off
off
cross-off
cross
cross-on
cross-off
cross
cross
on
on
on
cross-on
cross
on
cross-off
High Tide
10:50PM0.57m
8:57AM0.25m
11:06PM0.59m
11:27PM0.59m
11:54PM0.57m
00:33AM0.55m
3:21AM0.52m
Low Tide
6:39AM0.24m
2:56PM0.20m
2:06PM0.17m
1:57PM0.14m
2:13PM0.12m
2:32PM0.10m
2:49PM0.10m
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
cloud
mod rain
rain showers
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:15
6:13
6:13
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
6:08
6:09
6:10
6:10
 mm
9
4
Temp °C
19
20
24
24
24
29
26
22
22
18
20
16
15
16
17
17
18
18
16
Feels °C
16
17
22
22
22
29
27
20
20
18
14
12
10
11
11
14
16
15
14
  • 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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