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Surf Forecasts:

Frenchman's Rock (Frenchies) surfForecast / SA – East Coast / Australia

information circle12 Day Weather and Surf, issued 8 pm Tuesday 16 Sep 2025 ACST
Forecast update in hr  min  s Forecast update imminent
Frenchman's Rock (Frenchies) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Frenchman's Rock (Frenchies) sea temperature is
14.5° C
 (Which is normal for this time of year)

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 Wednesday (Sep 17) at 9AM. The primary swell is predicted to be 3.0m and 14s period with a secondary swell of 2.5m and 15s. 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 4.5m 14s and forecast to arrive on Saturday (Sep 20) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Friday (Sep 19) at 3PM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Wed 17th Sep)10ft (3.0m) 14s
Best Surf 9AM (Wed 17th Sep)10ft (3.0m) 14s
Most Powerful12AM (Sat 20th Sep)15ft (4.5m) 14s

Table - best surf conditions forecast for Frenchman's Rock (Frenchies) over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Some drizzle, heaviest during Fri afternoon. Warm (max 21°C on Thu afternoon, min 11°C on Tue night). Winds increasing (light winds from the NW on Wed afternoon, strong winds from the WNW by Fri afternoon).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon morning. Very mild (max 16°C on Sun morning, min 10°C on Fri night). Mainly fresh winds.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
5
4
3
2
2
2
1
0
3
3
3
3
3
2
2
0
0
2
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
SW
3
SSW
2.5
SSW
2.3
SSW
1.7
SSW
1.5
SSW
1.5
SSW
1.4
SW
1.4
SW
4.5
SW
3.5
SSW
3
SSW
3
SSW
2.5
SSW
2.3
SSW
2.2
SSW
2.5
SW
3
SSW
3
SSW
2.5
SSW
2.3
SSW
Period(s) (?)161414131211111213141313131313121212131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5189363229071726748536573597585828044183395269521971803152318592326306620531730
Wind
(km/h)
25
WSW
15
WSW
15
WNW
10
NNW
25
NNW
20
NW
15
NW
35
WNW
40
WNW
35
WSW
20
WSW
20
W
20
W
20
W
25
W
15
W
20
S
20
S
10
SSW
15
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		offoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on		crosscross
High Tide
/ height (m)
11:32AM
1.12
11:51AM
1.13
12:44AM
0.62
12:10PM
1.11
12:27AM
0.69
12:28PM
1.07
12:34AM
0.78
12:44PM
1.01
12:49AM
0.88
1:00PM
0.96
1:10AM
0.97
1:15PM
0.92
Low Tide
/ height (m)
8:26PM
0.36
8:20PM
0.41
4:07AM
0.56
7:56PM
0.45
5:17AM
0.46
7:18PM
0.44
5:59AM
0.37
6:55PM
0.40
6:33AM
0.33
6:51PM
0.33
7:03AM
0.32
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
Sunrise-6:13--6:11--6:09--6:09--6:07--6:05--6:03-
Sunset--6:07--6:07--6:07--6:08--6:09--6:09--6:10
part cloud
part cloud
clear
clear
clear
clear
clear
clear
rain showers
part cloud
cloud
cloud
part cloud
part cloud
part cloud
rain showers
light rain
part cloud
clear
clear
clear
Rain (mm)
--------1------12----
Temp. °C121415122021171717111213131616131312111313
Feels °C (?)610119141614109368911111097899
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for SA - East Coast

  1. weather stationWind Update The wind is still cross-off at Frenchman's Rock (Frenchies) (light winds from the W at Mount Terrible Radar 29 km from Frenchman's Rock (Frenchies)). 3.3m 13s groundswell from the SW with a 1.1m 17s long period groundswell from the SSW. 2 swells combining so expect closeout sets.

    1 hour 32 minutes ago Frenchman's Rock (Frenchies)
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29 km away, 1 h 32 min ago

11 km/h
W
0.0
14.5
Air / Water (°C)
Please reload the page to see if there are any updates.

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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.

View detailed surf forecast for Frenchman's Rock (Frenchies) at:
surf-forecast.com

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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