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Surf Forecasts:

Backsides surfForecast / NSW – North Coast / Australia

information circle12 Day Weather and Surf, issued 3 pm Sunday 31 Aug 2025 AEST
Forecast update in hr  min  s Forecast update imminent
Backsides surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backsides sea temperature is
20.6° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Backsides this week:

The surf forecast for Backsides over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 31) at 7PM. The primary swell is predicted to be 2.4m and 12s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Backsides in the next 12 days are 2.4m 12s and forecast to arrive on Sunday (Aug 31) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Thursday (Sep 04) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sun 31st Aug)8ft (2.4m) 12s
Best Surf 7PM (Sun 31st Aug)8ft (2.4m) 12s
Most Powerful 7PM (Sun 31st Aug)8ft (2.4m) 12s

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

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

Short Range Forecast Light rain (total 3mm), mostly falling on Sun night. Warm (max 21°C on Wed morning, min 14°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Wed afternoon, min 14°C on Wed night). Wind will be generally light.

Sun
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
!
!
3
2
2
2
0
1
1
0
1
1
0
0
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
SSE
2.1
SSE
1.8
SSE
1.6
SSE
1.2
SSE
1.1
SSE
0.9
SSE
0.8
SSE
0.7
S
0.6
S
0.6
S
0.6
S
0.6
S
0.5
S
0.4
SSE
0.4
SSE
0.5
E
0.6
ENE
0.8
ENE
0.8
ENE
1.1
E
Period(s) (?)12121111111110101010111010109977677
Wave
Graph
(?)Metric surfscale
Energy (?)1737125980360339333021315511895110949965526156566376247
Wind
(km/h)
10
SSE
5
WSW
5
SW
5
ESE
5
W
10
SSW
10
ESE
5
NNW
5
W
15
ENE
10
WNW
5
WSW
15
NE
15
N
0
NE
15
NE
5
NE
15
SE
20
SE
20
SE
25
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		glasscross-
off		cross-
on		offcross-
off		oncross-
off		offcross-
on		offoffcross-
on		crossglasscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
1:24AM
0.86
3:07PM
1.26
3:08AM
0.82
4:21PM
1.32
4:54AM
0.85
5:18PM
1.40
5:52AM
0.93
6:03PM
1.49
6:33AM
1.03
6:44PM
1.56
7:10AM
1.14
7:23PM
1.61
7:46AM
1.25
Low Tide
/ height (m)
8:41PM
0.71
7:34AM
0.53
10:33PM
0.67
8:43AM
0.56
11:39PM
0.58
9:59AM
0.55
12:20AM
0.48
11:06AM
0.48
12:53AM
0.39
12:01PM
0.39
1:24AM
0.30
12:50PM
0.30
1:55AM
0.22
Sun
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunrise--6:01--6:00--5:58--5:56--5:56--5:54--5:54
Sunset5:30--5:30--5:30--5:30--5:31--5:31--5:32--
part cloud
light rain
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
rain showers
rain showers
Rain (mm)
-21----------------32
Temp. °C161617181718181721201819191920191820191917
Feels °C (?)141517171617171620181618171719171616151512
  • 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 NSW - North Coast

  1. weather stationWind Update The wind is still cross-on at Backsides (moderate winds from the SSE at Ballina Airport Automatic Weather Station 5 km from Backsides). 2.7m 12s groundswell from the SSE which is too big for here.

    1 hour 44 minutes ago Backsides
Expand
<
>
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1 h 44 min ago

22 km/h
SSE
Cross-On
Please reload the page to see if there are any updates.

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 Backsides 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 Backsides at:
surf-forecast.com

Information about the Backsides Surf forecast

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

Backsides is 5 km (3 miles) from Ballina. If you plan a holiday in North Coast - New South Wales, look for hotels and other accommodation in Ballina. Ballina has rooms for a wide range of budgets as well as car hire and transport links.

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