Donut Island Surf Break

Lat Long: 37.22° S 175.89° E

Donut Island 48 hour detailed Surf Forecast

Issued: 11 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Donut Island sea temperature is
15.0° C
0.3° 

Donut Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Donut Island today (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 3.5ft (1.1m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 3.5ft (1.0m), 8s period with E swell.
  • Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 8s period with ENE swell.

The current surf forecast for Donut Island at 6PM is: 0.9m 8s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a Northeast direction (forecast issued at 11:00am August 16). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (16 Aug)3.5ft (1.1m)8s
Afternoon (16 Aug)3.5ft (1.0m)8s
Evening (16 Aug)2.5ft (0.8m)8s

Table - waves today at Donut Island. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun morning, min 4°C on Mon night). Winds increasing (light winds from the WSW on Sun morning, fresh winds from the SSE by Sun night).

Sun
16
Monday
17
Tuesday
18
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
0
0
0
0
1
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
Wave
Height (m)
Direction
Period (s)
1.1
ENE
8
1
ENE
8
1
E
8
0.9
ENE
8
0.8
ENE
8
0.8
ENE
9
0.7
E
9
0.8
E
9
1.1
SE
6
0.7
E
9
0.6
E
9
0.7
E
10
0.6
E
10
0.6
E
10
0.1
NE
11
0.6
E
10
0.6
E
9
0.5
E
9
0.5
E
9
0.4
E
9
0.4
E
9
Wave Graph
Metric surfscale
Energy kJ
176
147
137
109
92
101
83
96
76
76
60
92
69
68
5
65
62
43
43
25
26
Wind (km/h)
10
WSW
10
S
25
SE
30
SSE
35
SSE
35
SSE
30
SSE
25
SSE
25
SSE
25
SSE
15
SSE
20
SW
15
SW
15
WSW
15
SW
15
WSW
10
WSW
15
SW
15
SW
25
SW
20
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
High Tide
9:10AM1.84m
9:32PM1.93m
9:59AM1.80m
10:18PM1.86m
10:46AM1.75m
Low Tide
3:21PM0.09m
3:52AM0.08m
4:09PM0.16m
4:38AM0.13m
4:56PM0.24m
cloud
rain showers
light rain
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:44
 mm
1
2
Temp °C
13
14
12
10
9
9
8
7
9
11
12
10
8
5
4
4
6
11
13
12
8
Feels °C
12
12
7
4
1
1
0
0
2
4
7
5
3
1
-1
0
2
7
8
5
3
  • 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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