Alkimos surfForecast / WA – Perth City / Australia

information circle16 Day Weather and Surf, issued 7 am Sunday 31 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
20.3° C
(Which is slightly cooler than normal)

Alkimos surf forecast from 31 May 2026:

  • Best quality surf: Sunday 31 May, 8PM (local time) - 23ft (7.0m), 14s period, W swell with cross-onshore winds.
  • Most powerful swell: Sunday 31 May, 11PM (local time) - 23ft (7.0m), 15s period, WSW swell with 22,134 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 8PM (local time) - 23ft (7.0m), 14s period with W 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 Sunday (May 31) at 8PM. The primary swell is predicted to be 7.0m and 14s period. 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 7.0m 15s and forecast to arrive on Sunday (May 31) at 11PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 31st May)23ft (7.0m) 14s
Best Surf 8PM (Sun 31st May)23ft (7.0m) 14s
Most Powerful11PM (Sun 31st May)23ft (7.0m) 15s

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 23mm), heaviest during Sun night. Very mild (max 19°C on Tue morning, min 16°C on Sun morning). Winds decreasing (gales from the W on Sun afternoon, light winds from the SW by Tue night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Fri afternoon, min 14°C on Thu morning). Wind will be generally light.

Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
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
!
0
0
1
0
0
2
4
3
4
4
2
4
4
3
4
4
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
5.5
W
11
6.5
W
13
6.5
WSW
15
4.5
WSW
14
3.5
WSW
13
2.5
WSW
12
2.1
WSW
11
2.2
WSW
10
2.5
WSW
13
2
WSW
12
1.7
WSW
11
1.7
WSW
15
1.7
WSW
16
1.7
WSW
16
1.7
WSW
16
1.7
WSW
16
1.6
SW
16
1.6
SW
16
2.2
SW
17
2.2
SW
17
1.9
SW
16
Wave Graph
Metric surfscale
Energy kJ
6342
13374
17296
6922
3775
1751
1008
924
2116
1117
694
1206
1408
1373
1356
1408
1193
1284
2927
2683
1715
Wind (km/h)
60
WNW
65
W
50
WSW
30
SSW
20
SW
20
W
30
W
25
SW
10
SW
5
SSW
5
SW
10
NE
10
NE
10
SSW
10
E
10
E
10
S
5
E
0
NW
10
WSW
15
NW
cross-on
cross-on
on
cross-on
on
on
on
on
cross-on
glassy
on
cross-off
cross-off
cross-on
cross-off
cross-off
cross
off
glassy
on
cross
High Tide
8:34AM0.68m
9:01AM0.68m
9:28AM0.68m
9:55AM0.67m
10:21AM0.65m
10:47AM0.62m
11:10AM0.57m
Low Tide
6:09PM0.07m
6:44PM0.07m
7:20PM0.08m
7:50PM0.10m
8:10PM0.11m
8:28PM0.12m
8:48PM0.14m
light rain
rain showers
mod rain
rain showers
cloud
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
7:07
7:09
7:09
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:21
5:21
5:21
5:21
5:20
5:20
5:20
2
4
9
4
1
3
Temp °C
17
16
17
18
18
18
19
19
18
17
18
18
17
19
18
17
20
18
17
19
18
6
4
5
12
13
14
13
12
13
16
16
17
14
17
15
14
17
15
16
18
16
Swell 1
Height (m)
Direction
Period (s)
3.5
WSW
13
2.5
WSW
12
0.6
WSW
14
0.5
SW
14
2.5
WSW
13
2
WSW
12
1.7
WSW
11
1.7
WSW
15
1.7
WSW
16
1.7
WSW
16
1.7
WSW
16
1.7
WSW
16
1.6
SW
16
1.6
SW
16
2.2
SW
17
2.2
SW
17
1.9
SW
16
Energy kJ
3775
1751
138
95
2116
1117
694
1206
1408
1373
1356
1408
1193
1284
2927
2683
1715
Swell 2
Height (m)
Direction
Period (s)
0.2
WSW
20
0.4
SW
18
0.5
SW
18
0.9
W
7
0.7
SW
16
0.8
WSW
16
0.1
W
26
0.3
WSW
24
0.6
WSW
22
1.1
SW
20
Energy kJ
37
84
152
77
278
334
13
109
308
872
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
24
0.5
W
11
0.4
W
9
Energy kJ
55
58
26
Wind waves
Height (m)
Direction
Period (s)
5.5
W
11
6.5
W
13
6.5
WSW
15
4.5
WSW
14
2.1
WSW
11
2.2
WSW
10
0.4
SSE
3
0.5
W
3
1.1
WSW
6
Energy kJ
6342
13374
17296
6922
1008
924
3
5
89
Nearest Offshore or Glassy
Rating
(10 max)
2
2
4
2
4
4
4
3
4
4
2
4
4
3
4
4
4
4
4
4
5
Distance (km)
1632
1760
2137
2416
215
340
364
659
181
0
181
0
0
181
0
0
19
0
0
340
90
Best forecast wave conditions in Perth City Coast
Rating
(10 max)
4
4
4
4
4
4
5
5
5
Best forecast wave conditions in Australia
Rating
(10 max)
2
5
5
4
4
4
4
4
5
4
5
4
5
5
5
5
4
9
8
6
9
Header Global
Rating
(10 max)
7
6
5
5
4
4
5
5
6
5
5
5
5
4
5
5
5
9
6
6
9
  • 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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