Alkimos surfForecast / WA – Perth City / Australia

information circle16 Day Weather and Surf, issued 1 am Saturday 30 May 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Alkimos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alkimos sea temperature is
20.4° C
(Which is slightly cooler than normal)

Alkimos surf forecast from 29 May 2026:

  • Best quality surf: Sunday 31 May, 8PM (local time) - 25ft (7.5m), 14s period, W swell with cross-onshore winds.
  • Most powerful swell: Sunday 31 May, 8PM (local time) - 25ft (7.5m), 14s period, W swell with 22,952 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 5AM (local time) - 3.5ft (1.1m), 11s period with SW 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 (May 30) at 5AM. The primary swell is predicted to be 1.1m and 11s period with a secondary swell of 0.6m and 9s. 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 7.5m 14s and forecast to arrive on Sunday (May 31) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Saturday (May 30) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sat 30th May)3.5ft (1.1m) 11s
Best Surf 8PM (Sun 31st May)25ft (7.5m) 14s
Most Powerful 8PM (Sun 31st May)25ft (7.5m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 37mm), heaviest during Sat afternoon. Warm (max 20°C on Sat night, min 15°C on Sat morning). Winds decreasing (gales from the W on Sun afternoon, light winds from the WSW by Mon night).

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Wed night. Very mild (max 19°C on Thu afternoon, min 15°C on Wed morning). Wind will be generally light.

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
!
0
0
2
0
0
4
1
1
3
3
2
3
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
11
1.1
SW
14
3.5
NW
8
5.5
W
11
6.5
W
12
6
WSW
15
4
WSW
13
3
WSW
13
2.3
WSW
12
1.8
WSW
11
1.6
WSW
10
1.6
WSW
13
1.6
WSW
11
1.4
SW
16
1.2
SW
16
1.4
SW
16
1.8
WSW
16
2.1
WSW
16
2.2
WSW
16
2.2
WSW
16
2.1
WSW
15
Wave Graph
Metric surfscale
Energy kJ
194
431
1202
6536
13136
15732
5876
3264
1474
802
532
862
581
952
702
1031
1671
2234
2419
2417
2002
Wind (km/h)
20
ENE
30
NE
50
NW
60
WNW
60
W
50
SW
30
SW
25
SW
10
WSW
20
WSW
15
W
10
N
20
NW
20
NW
10
NNW
10
WSW
15
SW
10
W
15
WNW
15
W
15
W
off
cross-off
cross-on
cross-on
cross-on
on
cross-on
on
on
on
cross-on
cross-off
cross
cross-on
cross
on
cross-on
cross-on
cross-on
on
on
High Tide
8:09AM0.67m
8:34AM0.68m
9:01AM0.68m
9:28AM0.68m
9:55AM0.67m
10:21AM0.65m
10:47AM0.62m
Low Tide
5:37PM0.08m
6:09PM0.07m
6:44PM0.07m
7:20PM0.08m
7:50PM0.10m
8:10PM0.11m
8:28PM0.12m
part cloud
mod rain
thunderstorm
light rain
light rain
mod rain
cloud
cloud
rain showers
part cloud
part cloud
part cloud
clear
rain showers
rain showers
light rain
rain showers
part cloud
light rain
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
7:07
7:07
7:09
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:21
5:21
5:21
5:21
5:20
5:20
9
12
3
3
9
1
3
4
2
1
1
5
5
Temp °C
18
18
20
17
16
17
17
18
18
18
18
18
17
18
17
18
19
18
19
19
18
15
15
15
7
4
6
10
13
15
14
14
15
13
14
14
16
16
16
16
17
16
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
11
1.1
SW
14
0.9
SW
13
3
WSW
13
2.3
WSW
12
1.8
WSW
11
0.5
SW
18
1.6
WSW
13
1.6
WSW
11
1.4
SW
16
1.2
SW
16
1.4
SW
16
1.8
WSW
16
2.1
WSW
16
2.2
WSW
16
2.2
WSW
16
2.1
WSW
15
Energy kJ
194
431
299
3264
1474
802
152
862
581
952
702
1031
1671
2234
2419
2417
2002
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
14
0.5
W
8
0.2
WSW
20
0.4
SW
18
0.7
SW
16
0.9
SW
16
0.7
WSW
16
0.4
WSW
15
1.3
WSW
7
0.4
WSW
12
0.9
W
11
0.1
SW
26
0.2
WSW
24
0.7
SW
20
Energy kJ
169
30
38
84
274
376
234
71
163
48
189
26
54
396
Swell 3
Height (m)
Direction
Period (s)
0.5
W
10
0.3
SW
13
0.4
WSW
13
Energy kJ
45
28
58
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
2
0.9
NNE
4
3.5
NW
8
5.5
W
11
6.5
W
12
6
WSW
15
4
WSW
13
1.6
WSW
10
0.6
WNW
8
1.3
W
6
1.8
WSW
8
1.3
WSW
8
0.8
W
9
0.4
NNW
4
Energy kJ
2
21
1202
6536
13136
15732
5876
532
44
104
368
186
108
5
Nearest Offshore or Glassy
Rating
(10 max)
2
4
3
2
2
4
1
1
4
3
2
4
3
4
4
4
4
4
4
4
5
Distance (km)
0
294
2453
1632
1632
2010
2429
2429
340
308
216
0
86
386
266
181
340
266
266
215
266
Best forecast wave conditions in Perth City Coast
Rating
(10 max)
2
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
2
3
5
4
4
4
4
4
4
5
4
4
4
4
5
4
4
7
Header Global
Rating
(10 max)
5
5
5
7
7
6
5
5
4
4
5
4
4
5
5
5
5
5
5
5
5
  • 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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