Surf Forecasts:
Frenchman's Rock (Frenchies) surf forecast from 14 Sep 2026:
- Best quality surf: Thursday 17 Sep, 6AM (local time) - 8ft (2.5m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Monday 21 Sep, 3PM (local time) - 10ft (3.0m), 16s period, SSW swell with 4,263 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 6AM (local time) - 8ft (2.5m), 14s period with SSW 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 Thursday (Sep 17) at 6AM. The primary swell is predicted to be 2.5m and 14s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Frenchman's Rock (Frenchies) in the next 16 days are 3.0m 16s and forecast to arrive on Monday (Sep 21) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Sep 20) at 3AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Thu 17th Sep) | 8ft (2.5m) 14s |
| Best Surf | 6AM (Thu 17th Sep) | 8ft (2.5m) 14s |
| Most Powerful | 3PM (Mon 21st Sep) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Frenchman's Rock (Frenchies) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Mon night, min 6°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Sat night, min 11°C on Thu night). Winds increasing (light winds from the NNE on Thu night, fresh winds from the NW by Sat night). | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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 12 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SW 10 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 463 | 2423 | 3550 | 3826 | 3986 | 3940 | 3333 | 1969 | 1465 | 1313 | 1790 | 1150 | 594 | 277 | 219 | 131 | 850 | 1884 | 1522 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | on | on | on | on | cross-on | on | cross-off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:15AM1.12m | 1:56PM0.88m | 2:44AM1.15m | 2:04PM0.86m | 3:14AM1.14m | 2:04PM0.84m | 3:46AM1.10m | 1:40PM0.82m | 4:20AM1.03m | 5:04AM0.95m | |||||||||
Low Tide | 8:13AM0.46m | 7:33PM0.25m | 8:39AM0.56m | 7:47PM0.24m | 9:02AM0.66m | 8:00PM0.26m | 9:18AM0.76m | 8:09PM0.29m | 8:56AM0.84m | 8:13PM0.32m | 8:06AM0.88m | 8:11PM0.35m | |||||||
 |  |  | | | |  | | | | | | | | | | | | | |
 | — | 6:16 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:04 | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 13 | 12 | 11 | 11 | 10 | 10 | 13 | 14 | 13 | 18 | 19 | 19 | 23 | 23 | 24 | 18 | 17 | 13 |
Feels °C | 13 | 7 | 5 | 6 | 7 | 5 | 7 | 10 | 11 | 10 | 13 | 15 | 16 | 17 | 18 | 19 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | SW 12 | SW 12 |
| kJ | 195 | 2423 | 3550 | 3826 | 3986 | 3940 | 3333 | 1969 | 1465 | 1313 | 1790 | 1150 | 594 | 277 | 219 | 131 | 169 | 1884 | 1522 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SSW 16 | — | — | — | — | — | — | — | — | — | — | — | SW 20 | SSW 19 | SW 18 | — | — | — |
| kJ | 334 | 547 | — | — | — | — | — | — | — | — | — | — | — | 15 | 37 | 80 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | SSW 20 | NNE 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 38 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 12 | SSW 6 | — | — | — | — | — | — | — | — | N 3 | WNW 3 | N 2 | NNW 3 | NW 3 | WNW 4 | SW 10 | — | — |
| kJ | 463 | 164 | — | — | — | — | — | — | — | — | 5 | 4 | 1 | 3 | 9 | 31 | 850 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 139 | 139 | 168 | 139 | 2 | 165 | 139 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1120 | 577 | 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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