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Twelve Mile Beach Surf Forecast
/ WA – Far South (31 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Twelve Mile Beach surfForecast / WA – Far South / Australia
48hr Weather and Surf, issued 7 am Sunday 17 May 2026 AWSTForecast update in hr min s Forecast update imminent
Twelve Mile Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Twelve Mile Beach sea temperature is
18.8° C
(Which is normal for this time of year)How big are the waves at Twelve Mile Beach today?
The current surf forecast for Twelve Mile Beach at 11AM is: 1.6m 12s primary swell from a South-southwest direction and 0.1m 24s secondary swell from a South direction (forecast issued at 07:00am May 17). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 5ft (1.6m) | 12s |
| Afternoon (17 May) | 5ft (1.5m) | 12s |
| Evening (17 May) | 4.5ft (1.4m) | 12s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon morning. Warm (max 20°C on Tue afternoon, min 14°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 14 | SSW 14 | |
666 | 749 | 800 | 722 | 677 | 579 | 560 | 467 | 443 | 759 | 486 | 550 | 478 | 460 | 486 | 521 | 512 | 486 | 408 | 331 | 325 | 302 | 330 | 659 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-on | on | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | on | glassy | off | off | off | off | off | cross | cross | cross-off | off | off | |
High Tide | 10:48AM0.97m | 11:21AM0.98m | 11:54AM0.94m | |||||||||||||||||||||
Low Tide | 3:00AM0.25m | 7:09PM-0.00m | 8:23PM0.03m | 11:51PM0.07m | ||||||||||||||||||||
 |  | | | |  | | | |  |  | | | | | | | | | | | | | | |
 | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | 6:46 |
 | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | — | 5:02 | — | — | 5:02 |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 17 | 19 | 19 | 18 | 18 | 18 | 16 | 17 | 17 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 18 | 20 | 19 | 20 | 19 | 18 |
10 | 11 | 14 | 16 | 17 | 16 | 16 | 16 | 14 | 15 | 15 | 16 | 15 | 17 | 15 | 13 | 13 | 12 | 17 | 18 | 15 | 16 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 14 |
 kJ | 666 | 749 | 800 | 722 | 677 | 579 | 560 | 467 | 443 | 408 | 486 | 550 | 478 | 460 | 486 | 521 | 512 | 486 | 408 | 331 | 325 | 275 | 230 | 659 |
Swell 2 Height (m) Direction Period (s) | — | — | S 24 | S 23 | SW 22 | SW 21 | SW 21 | SSW 21 | SSW 20 | SW 20 | SSW 20 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | E 4 |
| kJ | — | — | 11 | 11 | 18 | 18 | 18 | 42 | 75 | 97 | 75 | 83 | 124 | 126 | 193 | 204 | 264 | 237 | 295 | 322 | 314 | 302 | 330 | 3 |
Swell 3 Height (m) Direction Period (s) | — | S 24 | — | — | — | — | — | — | — | — | — | — | — | S 13 | SSW 18 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | — | ESE 4 | — |
| kJ | — | 11 | — | — | — | — | — | — | — | — | — | — | — | 121 | 283 | 72 | 141 | 132 | 119 | 151 | 38 | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 11 | — | — | — | — | — | — | — | — | — | — | E 3 | E 3 | ENE 3 | NE 3 |
| kJ | — | — | — | — | — | — | — | — | — | 759 | — | — | — | — | — | — | — | — | — | — | 4 | 2 | 4 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 153 | 97 | 0 | 0 | 20 | 137 | 97 | 97 | 257 | 257 | 0 | 0 | 0 | 0 | 0 | 0 | 139 | 260 | 20 | 0 | 0 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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