Tangoio Flat Rock Surf Break

Lat Long: 39.35° S 176.92° E

Tangoio Flat Rock 48 hour detailed Surf Forecast

Issued: 11 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tangoio Flat Rock sea temperature is
13.2°C
0.5° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 1.5ft (0.4m), 11s period with ESE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.7m), 10s period with SSE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 12s period with SSE swell.

The current surf forecast for Tangoio Flat Rock at 6PM is: 0.8m 11s primary swell from a South-southeast direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 11:00am September 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Sep)1.5ft (0.4m)11s
Afternoon (20 Sep)2.5ft (0.7m)10s
Evening (20 Sep)3ft (0.9m)12s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 19°C on Tue morning, min 4°C on Sun night). Winds decreasing (fresh winds from the SW on Sun morning, calm by Mon morning).

Sun
20
Monday
21
Tuesday
22
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)
0
0
0
0
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
11
0.3
ESE
11
0.7
SSE
10
0.8
SSE
11
0.9
SSE
12
0.9
SSE
13
0.8
SSE
14
0.4
SSE
15
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.7
ESE
7
0.5
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.5
SSE
7
0.6
SE
7
1.8
S
8
Wave Graph
Metric surfscale
Energy kJ
39
23
81
149
235
290
257
71
51
50
50
48
48
27
19
19
14
12
26
43
387
Wind (km/h)
30
SW
25
SW
15
SSW
20
SSW
15
SW
10
WSW
10
W
5
NW
0
NNW
5
E
10
E
5
ENE
5
WNW
10
NW
10
NW
10
NW
5
NW
5
NNW
20
S
10
SW
5
W
Wind State
cross-off
cross-off
cross
cross
cross-off
cross-off
off
off
glassy
cross-on
cross-on
glassy
off
off
cross-off
cross-off
off
glassy
cross
cross-off
cross-off
High Tide
12:22PM1.40m
00:45AM1.31m
1:10PM1.38m
1:33AM1.29m
1:59PM1.38m
Low Tide
6:10AM0.33m
6:41PM0.35m
6:56AM0.34m
7:29PM0.36m
7:42AM0.35m
8:17PM0.36m
clear
rain showers
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
6:07
6:07
 mm
1
1
2
1
Temp °C
12
12
12
10
8
6
5
4
10
15
16
12
9
8
8
8
15
19
9
8
7
Feels °C
5
6
7
5
4
2
2
1
8
12
13
10
7
6
5
5
13
18
4
5
5
  • 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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