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Surf Forecasts:

Flatrock surfForecast / SA – Eyre Peninsula / Australia

information circle12 Day Weather and Surf, issued 3 am Friday 13 Feb 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
18.2° 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 Monday (Feb 16) at 1AM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 1.2m and 12s. Another secondary swell of 0.9m and 6s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Flatrock in the next 12 days are 3.0m 17s and forecast to arrive on Thursday (Feb 19) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Feb 14) at 1AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 16th Feb)3.5ft (1.1m) 16s
Best Surf 1AM (Mon 16th Feb)3.5ft (1.1m) 16s
Most Powerful10PM (Thu 19th Feb)10ft (3.0m) 17s

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 27°C on Sun afternoon, min 16°C on Fri morning). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Mon afternoon, min 16°C on Tue night). Winds increasing (light winds from the NNE on Mon night, fresh winds from the SSW by Tue afternoon).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
3
2
1
3
2
4
1
3
3
3
3
2
3
2
4
4
2
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
SSW
2.3
SSW
2.1
SSW
1.8
SSW
1.8
SSW
1.3
SSW
1.5
S
1.2
SW
1.1
SW
1.5
SSW
1.4
SW
1.2
SSW
2.2
SW
2.5
SW
2.4
SSW
2.4
SW
2.3
SW
2
SSW
2.2
SW
2.2
SW
3
SW
Period(s) (?)131312121111131816161420171616141413131316
Wave
Graph
(?)Metric surfscale
Energy kJ (?)21871651123187285145175287158711267631014292730582680232319501380163416594124
Wind
(km/h)
25
ESE
35
SSE
30
SE
20
SE
35
SSE
30
ESE
20
SE
30
SE
15
E
30
NNW
10
SE
20
NNE
10
WSW
35
SSW
20
S
10
SSW
15
SW
10
SE
5
SE
25
S
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcrosscross-
off		cross-
off		oncrosscrosscross-
on		cross-
on		cross-
off		cross-
off		crosscross-
off
High Tide
/ height (m)
1:04AM
0.49
2:15PM
0.19
1:23AM
0.54
1:54PM
0.22
1:45AM
0.58
1:59PM
0.26
2:06AM
0.60
2:12PM
0.31
2:28AM
0.60
2:30PM
0.36
2:48AM
0.57
2:51PM
0.41
3:06AM
0.53
Low Tide
/ height (m)
8:59AM
0.08
5:53PM
0.15
8:47AM
0.07
6:37PM
0.09
8:48AM
0.05
7:11PM
0.05
8:54AM
0.05
7:43PM
0.01
9:02AM
0.04
8:14PM
-0.01
9:11AM
0.03
8:44PM
-0.00
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise6:58--7:00--7:01--7:01--7:03--7:03--7:05--
Sunset-8:24--8:23--8:22--8:22--8:20--8:19--8:17-
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
Rain (mm)
---------------------
Temp. °C171817212119252726293029211817171817191918
Feels °C (?)111213171515222222242928221313151616161616
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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:
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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.

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