Back Beach Surf Break

Lat Long: 39.07° S 174.02° E

Back Beach 48 hour detailed Surf Forecast

Issued: 11 pm 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Back Beach sea temperature is
14.9° C
0.9° 

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 (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 4ft (1.2m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 13s period with WSW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.0m), 13s period with WSW swell.

The current surf forecast for Back Beach at 7AM is: 1.2m 13s primary swell from a West-southwest direction and 0.2m 11s secondary swell from a North-northwest direction (forecast issued at 11:00pm July 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (NZST) & DateWave HeightWave Period
Morning (21 Jul)4ft (1.2m)13s
Afternoon (21 Jul)3.5ft (1.1m)13s
Evening (21 Jul)3.5ft (1.0m)13s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 8°C on Mon night). Wind will be generally light.

Tuesday
21
Wednesday
22
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)
3
3
3
3
3
2
1
0
0
0
0
0
0
0
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
WSW
14
1.3
WSW
14
1.3
WSW
13
1.3
WSW
13
1.2
WSW
13
1.1
WSW
13
1.1
WSW
13
1.1
WSW
13
1
WSW
13
1
WSW
13
0.9
WSW
12
1.5
WSW
7
1.7
WSW
7
1.7
WSW
7
1.5
WSW
7
1.3
WSW
7
0.6
WSW
12
Wave Graph
Metric surfscale
Energy kJ
662
569
553
536
491
421
414
408
346
341
233
218
274
259
211
154
97
Wind (km/h)
15
SE
15
SE
10
SE
5
ESE
5
SSE
5
WNW
15
WSW
15
WSW
20
WSW
20
WSW
20
WSW
25
SW
25
SW
25
SW
20
SW
15
SW
5
SE
Wind State
cross-off
cross-off
cross-off
cross-off
glassy
on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
High Tide
2:20AM3.04m
2:48PM2.86m
3:10AM2.84m
3:42PM2.72m
Low Tide
8:14PM0.85m
8:42AM0.84m
9:03PM1.04m
9:30AM1.00m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:23
5:24
 mm
Temp °C
9
9
9
8
9
11
12
12
11
11
12
12
12
13
14
12
10
Feels °C
5
5
6
5
7
8
8
9
7
6
8
7
7
8
10
9
8
  • 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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