Tangoio Flat Rock Surf Break

Lat Long: 39.35° S 176.92° E

Tangoio Flat Rock 48 hour detailed Surf Forecast

Issued: 5 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tangoio Flat Rock sea temperature is
11.9° C
1.7° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 2.5ft (0.7m), 11s period with SE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 2.5ft (0.8m), 10s period with ESE swell.

The current surf forecast for Tangoio Flat Rock at 12PM is: 0.7m 8s primary swell from a Southeast direction and 0.2m 13s secondary swell from a East-southeast direction, 0.6m 4s secondary swell from a East-northeast direction (forecast issued at 05:00am August 12). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (12 Aug)2ft (0.6m)8s
Afternoon (12 Aug)2.5ft (0.7m)11s
Evening (12 Aug)2.5ft (0.8m)10s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Very mild (max 15°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
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
0
0
0
0
0
0
1
1
1
0
1
0
0
0
0
2
2
1
1
0
1
1
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
SSE
11
0.6
SE
8
0.6
SE
8
0.7
SE
8
0.7
SE
11
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.7
SE
9
0.7
SE
9
0.6
ESE
9
0.6
ESE
9
0.5
SE
8
0.5
SE
8
1.1
ENE
5
1.1
ENE
6
1.3
ENE
6
1.3
ENE
6
1
E
7
1
E
7
1
E
7
1
E
7
1
E
7
Wave Graph
Metric surfscale
Energy kJ
101
43
49
59
119
130
125
117
84
83
53
49
35
34
64
77
115
124
88
91
91
92
100
Wind (km/h)
5
NW
5
N
5
NNE
10
ENE
15
ENE
15
NE
10
NNE
5
NNW
5
N
5
NNE
5
NNE
5
NE
5
NE
5
NNE
10
NE
5
NNE
5
WNW
5
W
5
W
0
WSW
5
E
5
NNE
0
N
Wind State
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross
cross-off
glassy
glassy
cross
glassy
cross-on
cross
cross
cross
glassy
cross-off
glassy
glassy
cross-on
glassy
glassy
High Tide
4:21AM1.56m
4:53PM1.71m
5:19AM1.58m
5:50PM1.72m
6:16AM1.59m
6:45PM1.72m
Low Tide
10:34AM0.04m
11:14PM0.06m
11:33AM0.02m
00:12AM0.04m
12:30PM0.01m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:01
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:31
5:32
 mm
1
1
Temp °C
9
9
10
12
13
10
9
8
9
9
10
12
12
12
11
11
11
10
12
14
15
13
12
Feels °C
7
7
8
9
10
7
7
6
7
7
9
11
11
11
10
10
11
9
11
14
14
13
12
  • 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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