Surf Forecasts:
A-Bay (Willyama Bay) surf forecast from 9 Jun 2026:
- Best quality surf: Wednesday 10 Jun, 3PM (local time) - 7.5ft (2.3m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 10 Jun, 6PM (local time) - 8ft (2.4m), 16s period, SW swell with 3,128 kJ wave energy.
- Next surfable swell (1★+): Wednesday 10 Jun, 3PM (local time) - 7.5ft (2.3m), 17s period with SW swell.
Best Forecast Surf Conditions for A-Bay (Willyama Bay) this week:
The surf forecast for A-Bay (Willyama Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 10) at 3PM. The primary swell is predicted to be 2.3m and 17s period with a secondary swell of 0.9m and 18s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at A-Bay (Willyama Bay) in the next 16 days are 2.4m 16s and forecast to arrive on Wednesday (Jun 10) at 6PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Tuesday (Jun 09) at 3PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Wed 10th Jun) | 7.5ft (2.3m) 17s |
| Best Surf | 3PM (Wed 10th Jun) | 7.5ft (2.3m) 17s |
| Most Powerful | 6PM (Wed 10th Jun) | 8ft (2.4m) 16s |
Table - best surf conditions forecast for A-Bay (Willyama Bay) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Warm (max 20°C on Thu night, min 13°C on Tue morning). Winds decreasing (strong winds from the NNW on Tue night, calm by Wed night). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Fri night. Warm (max 21°C on Fri afternoon, min 14°C on Sat night). Winds decreasing (near gales from the NNW on Fri afternoon, light winds from the NW by Sat afternoon). | ||||||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 16 | SW 15 | SW 14 | SW 17 | SW 16 | SW 15 | SW 15 | SSW 14 | SW 14 | SW 19 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 12 | SW 11 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 280 | 602 | 675 | 1463 | 3051 | 2578 | 1753 | 1124 | 682 | 564 | 1733 | 2093 | 1333 | 1178 | 805 | 581 | 336 | 326 | 224 | 125 | 256 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 5:49PM0.66m | 10:19AM0.67m | 11:04AM0.82m | 9:45PM0.42m | 11:44AM0.96m | 11:48PM0.37m | 12:25PM1.09m | 00:46AM0.35m | 1:06PM1.20m | 1:27AM0.35m | 1:48PM1.27m | 2:03AM0.36m | |||||||||
Low Tide | 11:11AM0.54m | 1:52AM0.36m | 2:30AM0.35m | 7:56PM0.41m | 8:04PM0.31m | 4:10AM0.28m | 8:32PM0.24m | 5:02AM0.23m | 9:04PM0.19m | 5:53AM0.18m | 9:37PM0.17m | ||||||||||
 |  |  | | |  | | |  | |  | | | | |  | | |  | |  | |
 | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — |
 | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — |
mm | — | — | 5 | — | — | — | — | — | — | — | 2 | 7 | — | — | — | — | — | 1 | 13 | 17 | 22 |
Temp °C | 15 | 18 | 16 | 15 | 15 | 14 | 16 | 17 | 20 | 18 | 21 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 14 | 15 | 16 |
Feels °C | 6 | 9 | 8 | 10 | 11 | 12 | 13 | 14 | 12 | 10 | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 9 | 11 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 16 | SW 15 | SW 14 | SW 17 | SW 16 | SW 15 | SW 15 | SSW 14 | SW 14 | SW 19 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 12 | SW 11 | WSW 11 |
| kJ | 280 | 602 | 675 | 1463 | 3051 | 2578 | 1753 | 1124 | 682 | 564 | 1733 | 2093 | 1333 | 1178 | 805 | 581 | 336 | 326 | 224 | 125 | 256 |
Swell 2 Height (m) Direction Period (s) | SW 19 | WNW 8 | WSW 7 | SW 18 | SSW 18 | — | — | — | — | SW 21 | NE 5 | SW 17 | SW 16 | W 8 | — | — | — | S 20 | SSW 20 | SW 18 | SSW 16 |
| kJ | 89 | 49 | 15 | 87 | 541 | — | — | — | — | 116 | 7 | 1252 | 295 | 65 | — | — | — | 8 | 39 | 82 | 229 |
Swell 3 Height (m) Direction Period (s) | — | SW 16 | E 5 | NE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 4 | NE 5 |
| kJ | — | 68 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 |
Wind waves Height (m) Direction Period (s) | N 4 | N 5 | NW 5 | WSW 6 | — | — | — | NE 3 | NNE 3 | NNW 4 | NNW 5 | W 6 | — | — | — | — | NW 2 | N 4 | N 3 | NNW 4 | NNW 5 |
| kJ | 53 | 76 | 70 | 70 | — | — | — | 1 | 6 | 29 | 59 | 44 | — | — | — | — | 1 | 1 | 7 | 40 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 155 | 160 | 860 | 130 | 0 | 0 | 11 | 0 | 87 | 160 | 720 | 1177 | 0 | 0 | 0 | 0 | 64 | 86 | 87 | 87 | 0 |
Best forecast wave conditions in Yorke Peninsula | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the A-Bay (Willyama Bay) Surf forecast
The above surf forecast table for A-Bay (Willyama Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at A-Bay (Willyama Bay) can be found by selecting the local surf guide option on the grey menu. Our A-Bay (Willyama Bay) 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 (A-Bay (Willyama Bay)) 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 A-Bay (Willyama Bay) 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 Yorke Peninsula? If you are looking for accommodation near A-Bay, camping, hotels and holiday cottages in Yorke Peninsula, consider staying in Kingscote which is 74 km (46 miles) away.
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