Alkimos surfForecast / WA – Perth City / Australia

information circle12 Day Weather and Surf, issued 1 am Monday 19 Jan 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
22.7° C
(Which is 1.3°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Alkimos this week:

The surf forecast for Alkimos over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jan 19) at 11AM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 0.2m and 24s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Alkimos in the next 12 days are 3.5m 17s and forecast to arrive on Monday (Jan 26) 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 0.8m 4s period and expected on Wednesday (Jan 21) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 19th Jan)5ft (1.5m) 13s
Best Surf11AM (Tue 20th Jan)7.5ft (2.3m) 16s
Most Powerful 2AM (Mon 26th Jan)11ft (3.5m) 17s

Table - best surf conditions forecast for Alkimos over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 38°C on Tue afternoon, min 21°C on Mon morning). Winds decreasing (fresh winds from the E on Tue night, light winds from the E by Wed night).

Days 3-6 Weather Summary Mostly dry. Warm (max 36°C on Thu morning, min 14°C on Fri night). Winds decreasing (fresh winds from the SSW on Fri afternoon, light winds from the SSW by Sat night).

Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
0
3
4
1
2
3
3
2
1
0
0
0
0
2
1
0
1
0
1
5
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SW
1.4
WSW
3
SW
2.3
WSW
2
WSW
1.6
WSW
1.4
SW
1.3
WSW
1
WSW
1
WSW
0.9
WSW
0.8
WSW
1.4
SW
0.7
SW
1.3
WSW
1.9
SW
1.9
WSW
1.9
SW
1.6
WSW
2
SW
3.5
WSW
Period(s) (?)13201816161413131312121271816151514141317
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7341529491227311856104273252834130926417118332386416411571149192913677266
Wind
(km/h)
15
SE
30
S
30
E
20
E
25
S
35
E
25
E
15
SE
20
ENE
15
N
30
WSW
30
S
25
SSW
35
SSW
25
SSE
15
SSW
25
SSW
15
SSW
20
WSW
20
W
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
cross-
off
offcrosscross-
off
offcross-
off
offcross-
off
oncross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
oncross-
on
on
High Tide
/ height (m)
9:35PM
0.69
10:02PM
0.66
10:26PM
0.61
2:08PM
0.32
10:46PM
0.54
2:08PM
0.37
10:54PM
0.46
2:27PM
0.43
10:19PM
0.37
3:00PM
0.50
Low Tide
/ height (m)
6:12AM
0.06
6:22AM
0.09
6:30AM
0.12
4:05PM
0.32
6:35AM
0.16
5:36PM
0.34
6:35AM
0.19
7:25PM
0.35
6:22AM
0.21
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Sunrise5:28--5:30--5:31--5:31--5:33--5:33--5:35--
Sunset-7:24--7:23--7:23--7:23--7:22--7:22--7:22-
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
rain showers
Rain (mm)
--------------------1
Temp. °C282927343832343733363222212219212019212222
Feels °C (?)242423293427293229322821171713171515192019
  • 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 12 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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