Surf Forecasts:
Thistle Island (False Creek) surf forecast from 15 Aug 2026:
- Best quality surf: Saturday 15 Aug, 3PM (local time) - 8ft (2.5m), 15s period, SSW swell with cross-shore winds.
- Most powerful swell: Saturday 22 Aug, 12AM (local time) - 15ft (4.5m), 15s period, SW swell with 9,876 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 3PM (local time) - 8ft (2.5m), 15s 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 Saturday (Aug 15) at 3PM. The primary swell is predicted to be 2.5m and 15s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Thistle Island (False Creek) in the next 16 days are 4.5m 15s and forecast to arrive on Saturday (Aug 22) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Aug 16) at 12AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sat 15th Aug) | 8ft (2.5m) 15s |
| Best Surf | 3PM (Sat 15th Aug) | 8ft (2.5m) 15s |
| Most Powerful | 12AM (Sat 22nd Aug) | 15ft (4.5m) 15s |
Table - best surf conditions forecast for Thistle Island (False Creek) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 14°C on Sat morning, min 12°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Tue night. Very mild (max 16°C on Tue afternoon, min 13°C on Tue morning). Winds decreasing (strong winds from the NW on Tue night, light winds from the WNW by Thu morning). | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
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) | SSW 16 | SSW 15 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 16 | SW 16 | SW 15 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 17 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3822 | 3162 | 1929 | 1690 | 1560 | 1267 | 1892 | 1822 | 1237 | 1737 | 1158 | 644 | 714 | 757 | 780 | 1787 | 1634 | 2102 | 5615 | 4798 | 9876 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-on | cross | cross | on | on |
High Tide | 3:08PM1.03m | 3:42AM0.88m | 3:27PM0.93m | 4:06AM0.96m | 3:44PM0.82m | 4:31AM1.01m | 3:58PM0.71m | 4:59AM1.01m | 4:05PM0.61m | 5:30AM0.98m | 3:51PM0.52m | 6:08AM0.92m | |||||||||
Low Tide | 9:37PM-0.01m | 9:35AM0.14m | 9:48PM-0.01m | 10:11AM0.18m | 9:59PM-0.00m | 10:47AM0.24m | 10:10PM0.02m | 11:26AM0.33m | 10:17PM0.05m | 12:16PM0.43m | 10:17PM0.09m | 10:00PM0.12m | |||||||||
 |  |  | | |  |  | | | | |  | | | | | |  |  | | | |
 | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — |
 | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — | — | 5:58 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | 1 | — | — |
Temp °C | 14 | 14 | 13 | 13 | 14 | 12 | 13 | 13 | 13 | 14 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 13 | 12 |
Feels °C | 10 | 9 | 7 | 8 | 9 | 7 | 9 | 9 | 7 | 8 | 10 | 9 | 7 | 7 | 10 | 11 | 11 | 9 | 7 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 16 | SW 16 | SW 15 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 17 | — | SW 15 |
| kJ | 3822 | 3162 | 1929 | 1690 | 1560 | 1267 | 1892 | 1822 | 1237 | 1737 | 1158 | 644 | 714 | 757 | 780 | 1787 | 1634 | 2102 | 2142 | — | 9876 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 12 | S 26 | SW 23 | SSW 21 | SSW 19 | S 10 | S 9 | S 9 | NE 4 | SW 20 | SW 18 | SW 16 | — | SW 19 | — | — | — |
| kJ | — | — | — | — | 341 | 13 | 140 | 404 | 758 | 8 | 2 | 2 | 5 | 204 | 635 | 675 | — | 959 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 26 | SW 23 | S 11 | S 10 | — | — | — | — | NE 4 | SW 14 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 26 | 140 | 9 | 17 | — | — | — | — | 3 | 387 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 5 | E 4 | E 4 | ESE 4 | — | — | ENE 4 | NE 4 | NE 4 | NE 4 | NW 3 | W 5 | — | — | — | W 4 | SW 17 | SW 16 | SW 16 |
| kJ | — | — | 30 | 17 | 7 | 4 | — | — | 13 | 12 | 8 | 29 | 3 | 9 | — | — | — | 21 | 5615 | 4798 | 6203 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 74 | 74 | 74 | 74 | 74 | 76 | 74 | 74 | 131 | 242 | 135 | 135 | 237 | 804 | 237 | 34 | 73 | 39 | 804 | 816 | 824 |
Best forecast wave conditions in Eyre Peninsula | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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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