Back Beach Surf Break

Lat Long: 39.07° S 174.02° E

Back Beach 48 hour detailed Surf Forecast

Issued: 5 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Back Beach sea temperature is
14.0°C
0.5° 

Back Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Back Beach today (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 6ft (1.9m), 14s period with W swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 14s period with WSW swell.
  • Evening surf: Evening surf (17 Sep, local time) - 6.5ft (2.0m), 13s period with WSW swell.

The current surf forecast for Back Beach at 1AM is: 1.4m 12s primary swell from a West-southwest direction (forecast issued at 05:00pm September 16). The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (17 Sep)6ft (1.9m)14s
Afternoon (17 Sep)4.5ft (1.4m)14s
Evening (17 Sep)6.5ft (2.0m)13s

Table - waves today at Back Beach. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 13mm), heaviest on Thu afternoon. Very mild (max 14°C on Wed afternoon, min 10°C on Fri night). Winds increasing (light winds from the SW on Thu night, fresh winds from the SW by Fri afternoon).

Wed
16
Thursday
17
Friday
18
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
0
0
1
1
1
2
2
!
2
!
!
3
!
2
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
13
0.9
WSW
13
1
WSW
12
1.3
WSW
12
1.6
W
12
1.8
W
11
1.9
W
14
1.3
WSW
14
1.4
WSW
14
2.5
NW
9
2
WSW
13
2.5
WSW
13
2.5
WSW
11
1.8
WSW
16
1.6
WSW
16
1.9
WSW
16
1.7
WSW
16
1.7
WSW
15
2.5
WSW
10
Wave Graph
Metric surfscale
Energy kJ
295
286
309
478
674
807
1443
692
754
984
1422
2318
1706
1537
1220
1718
1376
1358
1422
Wind (km/h)
15
NW
15
NNW
15
NNW
20
N
20
NNW
25
N
30
N
30
NNE
30
NNE
30
N
20
N
10
SW
10
SSW
10
S
10
S
20
SW
35
SW
35
SW
30
SW
Wind State
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
High Tide
12:41PM3.15m
00:57AM2.99m
1:20PM2.97m
1:41AM2.79m
2:08PM2.78m
Low Tide
6:59PM0.82m
7:17AM0.79m
7:43PM1.03m
8:00AM1.00m
8:35PM1.22m
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:15
6:15
 mm
1
1
3
3
2
1
2
Temp °C
14
13
13
13
13
13
14
14
13
13
13
12
11
11
12
13
12
12
12
Feels °C
11
10
10
9
9
9
9
9
8
7
10
11
9
9
10
9
5
5
6
  • 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
How to use the Wavefinder 

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 Back Beach 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.


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