Surf Forecasts:
Thistle Island (False Creek) surf forecast from 17 Sep 2026:
- Best quality surf: Monday 21 Sep, 12PM (local time) - 11ft (3.5m), 14s period, SSW swell with cross-shore winds.
- Most powerful swell: Monday 21 Sep, 6PM (local time) - 11ft (3.5m), 14s period, SSW swell with 4,658 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 3AM (local time) - 5.5ft (1.7m), 16s period with SSW swell.
Best Forecast Surf Conditions for Thistle Island (False Creek) this week:
The surf forecast for Thistle Island (False Creek) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 3AM. The primary swell is predicted to be 1.7m and 16s period with a secondary swell of 1.0m and 18s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Thistle Island (False Creek) in the next 16 days are 3.5m 14s and forecast to arrive on Monday (Sep 21) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Sep 20) at 6AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Fri 18th Sep) | 5.5ft (1.7m) 16s |
| Best Surf | 12PM (Mon 21st Sep) | 11ft (3.5m) 14s |
| Most Powerful | 6PM (Mon 21st Sep) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Thistle Island (False Creek) over the next 16 days.
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 14°C on Thu night). Winds increasing (light winds from the NE on Thu night, fresh winds from the NW by Sat night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Wed morning, min 10°C on Mon night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the E by Tue night). | ||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||
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) | SSW 13 | SSW 17 | SSW 16 | SW 14 | SW 13 | SW 13 | SW 18 | SSW 16 | SSW 15 | SW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 734 | 1336 | 801 | 469 | 347 | 234 | 312 | 1257 | 1158 | 1836 | 3331 | 4468 | 4347 | 3479 | 3200 | 2598 | 1670 | 1314 | 1034 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross-off | cross-off | cross-off | off | cross | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on |
High Tide | 4:48AM1.10m | 3:34PM0.49m | 5:17AM1.01m | 2:10PM0.46m | 5:55AM0.89m | 9:55AM0.79m | 11:54AM0.87m | 2:34AM0.56m | 12:36PM0.94m | 2:05AM0.64m | |||||||||
Low Tide | 9:33PM0.02m | 11:49AM0.35m | 9:35PM0.06m | 1:18PM0.46m | 9:23PM0.09m | 8:48PM0.11m | 8:08PM0.09m | 7:50PM0.06m | 6:15AM0.46m | 7:48PM0.02m | |||||||||
 |  | | | | | | | |  |  | | | | | |  | | | |
 | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — |
 | 6:16 | — | 6:17 | — | — | 6:19 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 19 | 21 | 21 | 23 | 24 | 23 | 18 | 15 | 14 | 11 | 12 | 11 | 11 | 14 | 16 | 18 | 16 | 15 |
Feels °C | 10 | 14 | 15 | 16 | 18 | 20 | 17 | 13 | 9 | 8 | 5 | 7 | 4 | 6 | 12 | 13 | 15 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 17 | SSW 16 | SW 14 | SW 13 | SW 13 | SW 12 | SSW 16 | SSW 15 | SW 18 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 734 | 1336 | 801 | 469 | 347 | 234 | 216 | 1257 | 1158 | 161 | 3331 | 4468 | 4347 | 3479 | 3200 | 2598 | 1670 | 1314 | 1034 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | — | N 3 | W 6 | SW 19 | W 6 | SW 18 | NE 5 | NNE 5 | — | WSW 13 | — | — | — | SSW 16 | — | — | — | — |
| kJ | 587 | — | 4 | 18 | 96 | 22 | 312 | 5 | 3 | — | 538 | — | — | — | 2649 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 20 | SSW 18 | W 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 37 | 131 | 11 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | N 3 | WNW 4 | WNW 6 | WNW 7 | N 3 | NNE 3 | WNW 6 | W 5 | SW 14 | — | — | — | ENE 4 | — | — | — | — | — |
| kJ | — | 8 | 16 | 50 | 29 | 4 | 4 | 54 | 50 | 1836 | — | — | — | 15 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 39 | 73 | 34 | 39 | 0 | 0 | 806 | 795 | 78 | 121 | 74 | 74 | 76 | 73 | 74 | 0 | 74 | 74 |
Best forecast wave conditions in Eyre Peninsula | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Thistle Island (False Creek) Surf forecast
The above surf forecast table for Thistle Island (False Creek) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Thistle Island (False Creek) can be found by selecting the local surf guide option on the grey menu. Our Thistle Island (False Creek) 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 (Thistle Island (False Creek)) 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 Thistle Island (False Creek) 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.
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