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Surf Forecasts:

Flatrock surfForecast / SA – Eyre Peninsula / Australia

information circle12 Day Weather and Surf, issued 3 am Monday 16 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
17.5° C
 (Which is 1.7°C colder than average for this time of year)

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 7PM. The primary swell is predicted to be 1.2m and 14s period with a secondary swell of 0.4m and 22s. 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 3.5m 16s and forecast to arrive on Tuesday (Feb 17) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Feb 23) at 4AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Mon 16th Feb)4ft (1.2m) 14s
Best Surf10PM (Mon 16th Feb)2.5ft (0.8m) 21s
Most Powerful10PM (Tue 17th Feb)11ft (3.5m) 16s

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 30°C on Mon afternoon, min 16°C on Tue night). Winds decreasing (fresh winds from the N on Mon morning, light winds from the SSE by Wed night).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Fri afternoon, min 17°C on Thu morning). Wind will be generally light.

Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
0
0
3
2
1
3
4
2
3
4
1
3
3
2
3
3
1
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
SSW
1
SW
1.3
SSW
2.5
SW
2.4
SW
3
SW
2.5
SW
2.5
SW
2.4
SW
2.4
SW
2.3
SW
2.4
SSW
2.2
SSW
2.4
SSW
2
SSW
1.7
SSW
1.7
SSW
1.9
SSW
1.8
SW
1.6
SW
2.2
SW
Period(s) (?)161420171615141413131314131614131312121214
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1126412117136252905356128442487191518171756225017782680157693299810568876981799
Wind
(km/h)
30
N
15
W
20
NW
25
SW
25
SW
15
SSW
15
WSW
15
WSW
10
SSW
5
SSE
25
S
20
SE
0
NNW
15
SW
15
SE
5
ESE
20
SSE
20
SE
15
SE
30
SE
20
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoncross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
off		crosscross-
off		glasscross-
on		cross-
off		glasscross-
off		cross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
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
3:15PM
0.45
3:21AM
0.47
3:39PM
0.48
3:30AM
0.41
4:06PM
0.50
3:28AM
0.36
Low Tide
/ height (m)
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
9:19AM
0.03
9:15PM
0.02
9:27AM
0.02
9:45PM
0.07
9:33AM
0.01
10:14PM
0.13
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise7:01--7:03--7:03--7:05--7:05--7:07--7:07--
Sunset-8:22--8:20--8:19--8:17--8:16--8:15--8:15-
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
---------------------
Temp. °C293028171717171817191917202118212119242422
Feels °C (?)262926131212141617171614202016191817212021
  • Map Icons:
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  • 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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