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Frenchman's Rock (Frenchies) Surf Forecast
/ SA – East Coast (28 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Frenchman's Rock (Frenchies) surfForecast / SA – East Coast / Australia
12 Day Weather and Surf, issued 2 pm Thursday 21 Aug 2025 ACST
Best Forecast Surf Conditions for Frenchman's Rock (Frenchies) this week:
The surf forecast for Frenchman's Rock (Frenchies) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 21) at 6PM. The primary swell is predicted to be 0.9m and 14s period. 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 12 days are 3.0m 12s and forecast to arrive on Thursday (Aug 28) 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 1.8m 5s period and expected on Wednesday (Aug 27) at 3PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 21st Aug) | 3ft (0.9m) 14s |
| Best Surf | 9AM (Fri 22nd Aug) | 5ft (1.6m) 16s |
| Most Powerful | 3AM (Thu 28th Aug) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Frenchman's Rock (Frenchies) over the next 12 days.
Short Range Forecast Mostly dry. Very mild (max 19°C on Thu afternoon, min 8°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Mon night. Warm (max 23°C on Mon afternoon, min 9°C on Wed morning). Winds increasing (light winds from the N on Sun afternoon, strong winds from the NW by Wed morning). | ||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 18 | 16 | 16 | 14 | 14 | 13 | 12 | 11 | 12 | 12 | ||
Wave (?)Graph  | |||||||||||||||||||||||
| Energy (?) | 329 | 760 | 2461 | 3679 | 1816 | 2444 | 2515 | 1759 | 1051 | 853 | 1547 | 2068 | 1799 | 1054 | 638 | 545 | 613 | 524 | 600 | 2541 | 1524 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | off | cross | on | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | ||
High Tide / height (m) | 12:48AM 0.59 | 12:52PM 1.28 | 12:50AM 0.66 | 1:12PM 1.23 | 1:05AM 0.73 | 1:30PM 1.16 | 1:26AM 0.82 | 1:47PM 1.10 | 1:52AM 0.90 | 2:03PM 1.05 | 2:19AM 0.96 | 2:18PM 1.00 | 2:48AM 1.02 | ||||||||||
Low Tide / height (m) | 9:15PM 0.47 | 4:26AM 0.49 | 8:58PM 0.49 | 5:30AM 0.41 | 8:30PM 0.49 | 6:17AM 0.35 | 8:10PM 0.45 | 6:55AM 0.33 | 8:03PM 0.40 | 7:28AM 0.34 | 8:07PM 0.35 | 7:58AM 0.40 | 8:15PM 0.33 | 8:25AM 0.49 | |||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||||
| Sunrise | - | - | 6:48 | - | - | 6:48 | - | - | 6:46 | - | - | 6:45 | - | - | 6:43 | - | - | 6:41 | - | - | 6:41 | ||
| Sunset | 5:46 | - | - | 5:46 | - | - | 5:47 | - | - | 5:49 | - | - | 5:50 | - | - | 5:50 | - | - | 5:51 | - | - | ||
 |  |  |  |  | | | | | |  | | |  |  | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 1 | 2 | - | 2 | 2 | - | - | ||
| Temp. °C | 19 | 17 | 16 | 16 | 12 | 12 | 13 | 11 | 18 | 20 | 19 | 22 | 23 | 22 | 17 | 16 | 12 | 12 | 12 | 10 | 14 | ||
| Feels °C (?) | 16 | 11 | 12 | 13 | 11 | 10 | 11 | 9 | 15 | 17 | 13 | 17 | 20 | 16 | 13 | 12 | 5 | 3 | 6 | 6 | 9 | ||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for SA - East Coast
The wind is still cross-off at Frenchman's Rock (Frenchies) (light winds from the N at Mount Terrible Radar 29 km from Frenchman's Rock (Frenchies)). 0.9m 14s groundswell from the SSW to make surfable waves.
29 km away, 1 h 23 min ago
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Frenchman's Rock (Frenchies) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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 12 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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