Tangoio Flat Rock Surf Break

Lat Long: 39.35° S 176.92° E

Tangoio Flat Rock 48 hour detailed Surf Forecast

Issued: 5 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tangoio Flat Rock sea temperature is
12.6°C
1.1° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 1.5ft (0.5m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.5m), 10s period with ESE swell.
  • Evening surf: Evening surf (17 Sep, local time) - 1.5ft (0.4m), 9s period with ESE swell.

The current surf forecast for Tangoio Flat Rock at 9AM is: 0.5m 10s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a South direction (forecast issued at 05:00am September 17). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (17 Sep)1.5ft (0.5m)10s
Afternoon (17 Sep)1.5ft (0.5m)10s
Evening (17 Sep)1.5ft (0.4m)9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 17°C on Thu morning, min 10°C on Thu night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
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
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
1
1
0
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)
0.5
ESE
11
0.6
ESE
11
0.5
ESE
10
0.5
ESE
10
0.5
ESE
10
0.5
ESE
9
0.4
ESE
9
0.3
ESE
14
0.4
SE
14
0.7
ESE
13
0.7
ESE
12
0.7
ESE
12
0.7
ESE
12
0.7
ESE
11
0.4
SE
13
0.6
ESE
11
0.6
ESE
12
0.6
ESE
12
0.6
ESE
12
0.8
SE
7
0.8
SE
8
0.5
ESE
11
0.5
ESE
11
Wave Graph
Metric surfscale
Energy kJ
69
75
58
56
55
49
27
40
46
151
131
125
119
109
46
84
93
93
90
64
69
68
68
Wind (km/h)
5
WNW
5
NW
5
NW
15
NW
10
NNW
10
NNE
10
NNW
10
N
5
NNW
5
NW
0
ESE
5
SE
5
SW
5
WSW
5
W
5
WSW
15
SW
15
SW
10
SW
5
S
10
SSW
10
W
10
NW
Wind State
off
off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
off
cross-off
High Tide
10:02AM1.50m
10:24PM1.43m
10:48AM1.46m
11:11PM1.38m
11:35AM1.43m
Low Tide
3:54AM0.20m
4:22PM0.23m
4:39AM0.25m
5:08PM0.28m
5:24AM0.29m
5:55PM0.32m
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
light rain
light rain
clear
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:04
6:05
 mm
2
1
Temp °C
6
7
13
17
17
15
13
12
11
10
13
13
13
13
12
12
12
11
12
16
17
16
14
Feels °C
3
5
10
13
14
13
11
10
10
9
13
12
12
13
11
11
9
8
10
14
15
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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