Surf Forecasts:
Frenchman's Rock (Frenchies) surf forecast from 21 Aug 2026:
- Best quality surf: Friday 21 Aug, 6PM (local time) - 7ft (2.1m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 22 Aug, 3AM (local time) - 8ft (2.5m), 16s period, SW swell with 3,040 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 6PM (local time) - 7ft (2.1m), 17s period with SW swell.
Best Forecast Surf Conditions for Frenchman's Rock (Frenchies) this week:
The surf forecast for Frenchman's Rock (Frenchies) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 6PM. The primary swell is predicted to be 2.1m and 17s period with a secondary swell of 1.7m and 17s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Frenchman's Rock (Frenchies) in the next 16 days are 2.5m 16s and forecast to arrive on Saturday (Aug 22) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Friday (Aug 28) at 6AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Fri 21st Aug) | 7ft (2.1m) 17s |
| Best Surf | 6PM (Fri 21st Aug) | 7ft (2.1m) 17s |
| Most Powerful | 3AM (Sat 22nd Aug) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Frenchman's Rock (Frenchies) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Sun morning, min 10°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 23mm), heaviest during Mon night. Very mild (max 17°C on Mon morning, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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 14 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SW 14 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SW 20 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1368 | 1271 | 2785 | 2837 | 2445 | 2553 | 1772 | 2479 | 1537 | 982 | 662 | 596 | 2609 | 1222 | 2886 | 1269 | 983 | 475 | 691 | 811 | 2765 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | cross | glassy | cross-off | cross | cross | cross-off | cross-off | glassy | cross-off | cross-off | off | cross-off |
High Tide | 11:31AM0.96m | 6:12AM0.99m | 11:23AM1.13m | 11:44AM1.18m | 00:40AM0.59m | 12:05PM1.20m | 00:37AM0.61m | 12:27PM1.20m | 00:45AM0.65m | 12:49PM1.19m | 00:59AM0.70m | ||||||||||
Low Tide | 9:06PM0.42m | 7:35AM0.99m | 9:02PM0.45m | 8:54PM0.45m | 8:42PM0.45m | 8:26PM0.43m | 4:30AM0.48m | 8:08PM0.40m | 5:20AM0.39m | 7:54PM0.38m | |||||||||||
 | |  |  | | | | |  |  |  |  |  | | | | | | | | | |
 | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — |
 | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | 5 | 16 | 2 | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 12 | 17 | 17 | 14 | 17 | 13 | 13 | 13 | 13 | 11 | 14 | 14 | 12 | 16 | 16 | 15 |
Feels °C | 10 | 11 | 11 | 11 | 12 | 11 | 15 | 15 | 12 | 14 | 12 | 9 | 8 | 8 | 8 | 12 | 13 | 10 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SW 16 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SW 14 | SSW 18 |
| kJ | 1368 | 1271 | 2785 | 2837 | 2445 | 2553 | 1772 | 2479 | 1537 | 982 | 662 | 596 | 595 | 1222 | 2886 | 1269 | 983 | 475 | 691 | 811 | 2765 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 18 | — | SSW 24 | SSW 21 | SSW 19 | SSW 18 | — | — | SW 20 | NE 3 | SW 18 | — | WSW 15 | — | SW 18 | SW 17 | SW 15 | SW 22 | SW 20 | SSW 18 |
| kJ | 528 | 637 | — | 54 | 302 | 774 | 759 | — | — | 15 | 2 | 81 | — | 348 | — | 81 | 73 | 220 | 121 | 769 | 2724 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 18 | — | — | SW 21 | — | — | — | — | — | SW 20 | NE 3 | — | — | — | SW 18 | — | S 24 | SSE 8 | SSE 8 | SE 8 |
| kJ | 703 | 497 | — | — | 117 | — | — | — | — | — | 15 | 2 | — | — | — | 81 | — | 11 | 19 | 21 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NE 3 | — | NNE 3 | SW 14 | SW 7 | SSW 14 | — | — | — | NNE 3 | — | SE 8 |
| kJ | — | — | — | — | — | — | — | — | — | 7 | — | 4 | 2609 | 362 | 1997 | — | — | — | 3 | — | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 159 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 553 | 584 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in South Australia - East Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Frenchman's Rock (Frenchies) Surf forecast
The above surf forecast table for Frenchman's Rock (Frenchies) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Frenchman's Rock (Frenchies) can be found by selecting the local surf guide option on the grey menu. Our Frenchman's Rock (Frenchies) 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 (Frenchman's Rock (Frenchies)) 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 Frenchman's Rock (Frenchies) 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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