Surf Break

Lat Long: 39.85° S 174.69° E

Nukumaru Rock 48 hour detailed Surf Forecast

Issued: 6 pm 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nukumaru Rock sea temperature is
15.0°C
1.0° 

Nukumaru 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 Nukumaru Rock today (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 5ft (1.5m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 1.5ft (0.5m), 16s period with WSW swell.
  • Evening surf: Evening surf (21 Oct, local time) - 1.5ft (0.4m), 16s period with WSW swell.

The current surf forecast for Nukumaru Rock at 3AM is: 0.4m 12s primary swell from a West-southwest direction and 0.3m 11s secondary swell from a South direction, 0.6m 4s secondary swell from a West-northwest direction (forecast issued at 06:00pm October 20). The wind direction is predicted to be cross-offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (21 Oct)5ft (1.5m)8s
Afternoon (21 Oct)1.5ft (0.5m)16s
Evening (21 Oct)1.5ft (0.4m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Fri morning, min 9°C on Wed night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Fri morning).

Tue
20
Wednesday
21
Thursday
22
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
WSW
13
0.5
WSW
12
0.5
WSW
12
0.3
WSW
18
0.4
WSW
17
1.5
W
8
1.3
W
8
0.5
WSW
16
0.4
WSW
16
0.4
WSW
16
0.9
W
7
0.8
W
7
0.8
W
7
0.8
W
8
1.5
W
8
1.8
W
8
1.9
W
8
1.8
W
8
Wave Graph
Metric surfscale
Energy kJ
43
62
87
87
62
116
259
186
138
97
95
79
78
79
78
265
398
476
418
Wind (km/h)
15
SSW
10
SW
10
NW
10
NNW
15
N
20
NNW
20
NW
20
WNW
15
W
5
WNW
10
NNW
10
N
10
N
15
N
25
NNW
30
WNW
30
WNW
25
NW
20
NW
Wind State
cross-on
on
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
6:10PM1.77m
6:56AM1.74m
7:23PM1.89m
7:59AM1.90m
8:16PM2.07m
Low Tide
00:56AM0.87m
1:21PM0.84m
1:59AM0.68m
2:16PM0.66m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:26
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6:24
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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7:45
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7:45
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7:46
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 mm
—
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Temp °C
15
13
12
11
10
10
12
15
16
13
12
12
10
9
13
14
14
12
11
Feels °C
12
12
11
9
7
6
8
11
14
12
10
10
8
6
8
8
9
7
7
  • 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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