Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Flatrock surfForecast / SA – Eyre Peninsula / Australia

information circle12 Day Weather and Surf, issued 3 am Sunday 18 Jan 2026 ACDT
Forecast update in hr  min  s Forecast update imminent
Flatrock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flatrock sea temperature is
17.9° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Flatrock this week:

The surf forecast for Flatrock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 18) at 10AM. The primary swell is predicted to be 1.2m and 15s period with a secondary swell of 0.6m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Flatrock in the next 12 days are 3.0m 18s and forecast to arrive on Wednesday (Jan 21) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Monday (Jan 19) at 1AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 18th Jan)4ft (1.2m) 15s
Best Surf 4AM (Sun 25th Jan)5ft (1.6m) 15s
Most Powerful 1AM (Wed 21st Jan)10ft (3.0m) 18s

Table - best surf conditions forecast for Flatrock over the next 12 days.

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

Short Range Forecast Mostly dry. Warm (max 24°C on Sun morning, min 16°C on Mon night). Winds increasing (light winds from the ENE on Sun morning, strong winds from the SSE by Tue night).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Fri afternoon, min 15°C on Wed night). Winds decreasing (strong winds from the SSE on Wed afternoon, light winds from the NE by Fri morning).

Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
1
1
1
0
0
2
0
6
2
5
1
2
1
2
2
1
2
0
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
1.2
SW
1.1
SW
1.6
SSW
1.1
SW
1.5
SSW
1.7
SSW
2.4
SSW
3
SSW
2.3
SW
3
SSW
1.8
SW
1.6
SW
1.3
SW
1.2
SW
1.1
SW
0.9
SW
0.8
SW
0.8
SW
1.7
SSW
1.5
SW
Period(s) (?)151414131313232018161615141313131213121616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)64060650786738075732474812586028954161132596563748035725219618713931087
Wind
(km/h)
5
ENE
15
S
20
S
25
S
25
S
30
S
35
S
35
S
40
SSE
35
SSE
45
SSE
40
SE
30
ESE
35
SSE
25
ESE
10
NE
15
SSE
20
ENE
25
N
25
ESE
25
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		offcrosscross-
off		cross-
on
High Tide
/ height (m)
1:48PM
0.20
2:14AM
0.61
2:10PM
0.23
2:40AM
0.62
2:34PM
0.27
3:05AM
0.61
3:01PM
0.30
3:28AM
0.58
3:30PM
0.33
3:50AM
0.53
4:02PM
0.36
4:08AM
0.47
4:36PM
0.38
4:18AM
0.40
Low Tide
/ height (m)
6:51PM
0.05
9:24AM
0.08
7:27PM
0.02
9:38AM
0.07
8:02PM
0.01
9:53AM
0.07
8:35PM
0.01
10:08AM
0.07
9:09PM
0.03
10:22AM
0.07
9:44PM
0.07
10:35AM
0.07
10:19PM
0.13
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise6:33--6:33--6:35--6:35--6:37--6:37--6:39--
Sunset-8:43--8:43--8:42--8:42--8:42--8:40--8:40-
part cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
Rain (mm)
---------------------
Temp. °C242319181817171716171715191817242626293028
Feels °C (?)23221715141212121010108141214222222252826
  • 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

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

submit an eyeball surf report

Quick surf report for Flatrock:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Flatrock 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 Flatrock at:
surf-forecast.com

Information about the Flatrock Surf forecast

The above surf forecast table for Flatrock provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Flatrock can be found by selecting the local surf guide option on the grey menu. Our Flatrock 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 (Flatrock) 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 Flatrock 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.

Are you planning a holiday in Eyre Peninsula? If you are looking for accommodation near Flatrock, camping, hotels and holiday cottages in Eyre Peninsula, consider staying in Port Lincoln which is 49 km (30 miles) away.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest