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Surf Forecasts:

Backsides surfForecast / NSW – North Coast / Australia

information circle12 Day Weather and Surf, issued 10 pm Sunday 18 Jan 2026 AEDT
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
25.8° 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 Wednesday (Jan 21) at 5AM. The primary swell is predicted to be 2.2m and 12s period with a secondary swell of 0.9m and 8s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Backsides in the next 12 days are 2.2m 12s and forecast to arrive on Wednesday (Jan 21) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Jan 25) at 8AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 21st Jan)7ft (2.2m) 12s
Best Surf 5AM (Wed 21st Jan)7ft (2.2m) 12s
Most Powerful 5AM (Wed 21st Jan)7ft (2.2m) 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 Moderate rain (total 19mm), heaviest on Sun night. Warm (max 24°C on Sun night, min 20°C on Tue night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Thu afternoon, min 18°C on Wed night). Wind will be generally light.

Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sun
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
1
0
1
!
!
!
2
0
1
1
0
1
1
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
SE
1.7
SE
1.9
SE
1.9
SSE
1.7
SSE
1.7
SSE
1.4
SE
2.3
SE
2.4
SE
2.3
SE
1.8
SE
1.7
SE
1.4
SE
1.2
SE
1.2
SE
0.9
ESE
1.1
SE
0.7
SE
0.6
SE
0.6
SE
0.8
SSE
Period(s) (?)8888871111101010101010101010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)41337142748034830143112351136979640520408279268163208987968101
Wind
(km/h)
15
SSE
20
SSE
25
SSE
25
SSE
20
S
35
SSE
20
S
25
S
20
SSE
10
WSW
5
NE
25
NE
10
N
10
ESE
20
NE
10
NE
10
ENE
20
NE
10
N
15
NE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscross-
on		crosscrosscrosscrosscross-
off		crosscross-
off		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		oncross-
on		crosscross-
on		cross-
on
High Tide
/ height (m)
9:17PM
1.01
9:36AM
1.66
9:55PM
1.03
10:11AM
1.65
10:32PM
1.06
10:47AM
1.61
11:11PM
1.09
11:23AM
1.54
11:52PM
1.12
12:03PM
1.45
12:38AM
1.16
12:45PM
1.34
1:30AM
1.20
1:34PM
1.22
Low Tide
/ height (m)
2:49AM
0.29
4:22PM
0.27
3:30AM
0.26
4:55PM
0.23
4:11AM
0.24
5:27PM
0.20
4:54AM
0.25
6:01PM
0.19
5:40AM
0.27
6:37PM
0.20
6:33AM
0.33
7:16PM
0.22
7:33AM
0.40
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sun
25
Sunrise-6:03--6:05--6:05--6:05--6:07--6:07--6:09-
Sunset--7:46--7:46--7:46--7:45--7:45--7:45--7:45
thunderstorm
rain showers
rain showers
rain showers
clear
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
5342-212-------------
Temp. °C242324232423232224232526242425242525242425
Feels °C (?)232223202120181921212625232625242725232525
  • 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 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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