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Alkimos Surf Forecast
/ WA – Perth City (29 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Alkimos surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 pm Wednesday 20 May 2026 AWSTForecast 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
20.8° C
(Which is slightly cooler than normal)How big are the waves at Alkimos today?
The current surf forecast for Alkimos at 10PM is: 1.0m 16s primary swell from a West-southwest direction and 1.2m 13s secondary swell from a West-southwest direction (forecast issued at 07:00pm May 20). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 5ft (1.6m) | 14s |
| Evening (20 May) | 3.5ft (1.0m) | 16s |
Table - waves today at Alkimos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 21°C on Wed night, min 11°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the SSW by Thu night). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | |
982 | 463 | 463 | 1024 | 1159 | 1301 | 1370 | 1504 | 1265 | 1079 | 1048 | 1444 | 1288 | 1094 | 981 | 981 | 961 | 816 | 824 | 718 | 578 | 578 | 536 | 472 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | off | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | off | off | off | off | cross-off | |
High Tide | 11:27AM0.65m | 11:36AM0.57m | 10:59AM0.49m | |||||||||||||||||||||
Low Tide | 10:35PM0.01m | 11:32PM0.06m | 00:09AM0.13m | |||||||||||||||||||||
 |  | |  | |  |  | | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — |
 | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | 5:23 |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 20 | 19 | 19 | 19 | 21 | 20 | 18 | 17 | 17 | 16 | 15 | 14 | 16 | 17 | 18 | 17 | 16 | 14 | 12 | 11 | 14 | 17 |
20 | 20 | 18 | 17 | 18 | 18 | 19 | 17 | 14 | 12 | 11 | 11 | 12 | 10 | 11 | 11 | 12 | 12 | 12 | 10 | 8 | 7 | 10 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 |
 kJ | 982 | 437 | 402 | 1024 | 1159 | 1301 | 1370 | 1504 | 1265 | 1079 | 1048 | 1444 | 1288 | 1094 | 981 | 981 | 961 | 816 | 824 | 718 | 578 | 578 | 536 | 472 |
Swell 2 Height (m) Direction Period (s) | — | WSW 16 | WSW 16 | — | — | — | — | — | — | — | — | — | SW 7 | SW 7 | — | — | — | — | — | — | — | — | — | SW 18 |
| kJ | — | 463 | 463 | — | — | — | — | — | — | — | — | — | 147 | 115 | — | — | — | — | — | — | — | — | — | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 5 | SW 6 | SW 7 | SSE 4 | — | — | SW 7 | SW 7 | SSW 7 | SSE 4 | — | ESE 3 | E 3 | E 3 | ENE 3 | — |
| kJ | — | — | — | — | — | — | — | — | 70 | 233 | 233 | 18 | — | — | 132 | 132 | 120 | 13 | — | 1 | 2 | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 41 | 41 | 14 | 0 | 0 | 0 | 0 | 0 | 403 | 458 | 181 | 181 | 181 | 18 | 40 | 18 | 44 | 181 | 181 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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