Tangoio Flat Rock Surf Break

Lat Long: 39.35° S 176.92° E

Tangoio Flat Rock 48 hour detailed Surf Forecast

Issued: 5 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tangoio Flat Rock sea temperature is
11.9° C
1.6° 

Tangoio Flat Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Tangoio Flat Rock today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 10s period with ESE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 10s period with ESE swell.

The current surf forecast for Tangoio Flat Rock at 11AM is: 0.7m 10s primary swell from a East-southeast direction and 0.2m 17s secondary swell from a South-southeast direction (forecast issued at 05:00am August 21). The wind direction is predicted to be glassy and the swell rating is 2.

Time (NZST) & DateWave HeightWave Period
Morning (21 Aug)2.5ft (0.7m)10s
Afternoon (21 Aug)2ft (0.6m)10s
Evening (21 Aug)1.5ft (0.5m)10s

Table - waves today at Tangoio Flat Rock. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SE
9
0.7
ESE
9
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
0.7
ESE
10
0.5
ESE
10
0.4
ESE
10
0.4
ESE
10
0.3
ESE
10
0.2
SSE
12
0.2
SSE
11
0.2
SSE
11
0.2
E
14
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
Wave Graph
Metric surfscale
Energy kJ
77
65
97
92
67
86
55
37
36
18
13
13
13
14
17
17
16
16
17
17
17
16
16
Wind (km/h)
5
WNW
5
NW
5
WNW
5
ENE
10
ENE
5
NE
5
NW
5
WNW
10
WNW
10
WNW
5
WNW
5
N
5
N
5
NW
10
NW
15
NW
15
NW
20
NW
20
NNW
20
NW
15
WNW
15
WSW
10
WNW
Wind State
off
off
glassy
cross-on
cross-on
cross
off
off
off
off
off
glassy
glassy
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
High Tide
12:14PM1.43m
00:35AM1.36m
1:02PM1.40m
1:23AM1.33m
1:50PM1.39m
Low Tide
6:02AM0.26m
6:30PM0.31m
6:48AM0.30m
7:17PM0.34m
7:33AM0.33m
8:05PM0.36m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:39
5:40
 mm
Temp °C
7
7
9
14
14
11
9
7
6
6
9
15
17
13
12
13
13
13
15
16
18
12
10
Feels °C
5
4
7
11
11
9
7
5
3
3
6
13
15
11
9
9
9
9
10
12
15
8
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 

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