Whale Watch Reef surfForecast / Kaikoura and Marlborough / New Zealand

information circle48hr Weather and Surf, issued 5 am Wednesday 20 May 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Whale Watch Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Whale Watch Reef sea temperature is
13.1° C
(Which is slightly warmer than usual)

How big are the waves at Whale Watch Reef today?

The current surf forecast for Whale Watch Reef at 10AM is: 0.6m 5s primary swell from a Northeast direction (forecast issued at 05:00am May 20). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (NZST) & DateWave HeightWave Period
Morning (20 May)2ft (0.6m)5s
Afternoon (20 May)2.5ft (0.8m)6s
Evening (20 May)3.5ft (1.1m)7s

Table - waves today at Whale Watch Reef. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu afternoon, min 10°C on Thu night). Winds increasing (calm on Wed afternoon, fresh winds from the SSW by Thu night).

Wednesday
20
Thursday
21
Friday
22
Sat
23
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
12 AM
Rating
(10 max)
1
0
0
1
1
1
1
0
1
0
0
1
2
1
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
NNE
5
0.6
NE
5
0.6
NE
5
0.9
NNE
6
0.8
NE
6
1.4
NNE
7
1.1
NE
7
0.9
NNE
7
0.9
NE
7
0.9
NNE
7
0.9
NNE
7
1.6
NNE
7
1.8
NNE
7
1.6
NNE
7
0.9
NNE
6
0.7
NNE
6
0.3
NNE
6
0.2
NNE
5
0.1
NE
4
0.4
NE
6
0.8
NE
4
1.1
NE
4
1
NE
5
0.9
NE
4
Wave Graph
Metric surfscale
Energy kJ
31
20
22
51
46
180
103
76
67
86
83
261
328
225
60
30
6
2
1
14
16
51
41
32
Wind (km/h)
5
W
5
NNW
5
NNW
5
ENE
0
ENE
5
NNW
10
WNW
10
NNW
10
WNW
10
NNW
10
NNW
10
NNE
5
N
10
NW
30
SSW
15
SW
5
SW
0
N
10
NE
15
NE
20
NE
15
NE
5
N
5
W
glassy
glassy
glassy
glassy
glassy
cross
cross-off
cross
cross-off
cross
cross
cross-on
glassy
cross
cross-off
off
off
glassy
on
on
on
on
glassy
cross-off
High Tide
7:23AM2.09m
7:47PM2.25m
8:21AM2.08m
8:44PM2.18m
9:17AM2.05m
9:41PM2.09m
Low Tide
1:13AM0.34m
1:30PM0.31m
2:10AM0.34m
2:27PM0.32m
3:06AM0.36m
3:24PM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:08
5:07
5:07
5:06
Temp °C
11
10
11
14
15
14
14
13
12
12
14
17
18
18
12
10
10
10
10
12
13
12
13
13
9
7
8
12
13
11
10
8
8
9
11
14
16
16
7
6
8
9
7
8
9
9
12
12
Swell 1
Height (m)
Direction
Period (s)
0.6
NE
5
0.6
NE
5
0.6
NE
5
0.6
NNE
6
0.8
NE
6
1
NE
7
1.1
NE
7
0.9
NNE
7
0.9
NE
7
0.9
NNE
7
0.9
NNE
7
1
NNE
7
1.2
NNE
7
1
NNE
7
0.9
NNE
6
0.7
NNE
6
0.9
S
5
0.8
S
5
0.5
S
5
0.8
SSW
9
0.9
SSW
9
0.7
SSW
9
0.9
SSW
13
1
SSW
13
Energy kJ
18
20
22
22
46
88
103
76
67
86
83
102
138
102
60
30
40
32
13
99
129
80
298
356
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
10
0.3
SSE
9
0.3
SSE
9
0.3
E
5
0.2
ENE
9
0.2
S
8
0.2
S
8
0.2
ENE
10
0.2
ENE
10
0.2
S
13
0.2
S
13
0.2
S
10
0.3
S
12
0.3
S
11
0.1
E
12
0.3
S
10
0.3
NNE
6
0.3
S
10
0.4
SE
5
0.4
SE
4
0.4
SSW
13
0.6
SSW
13
0.1
SE
11
0.7
NE
4
Energy kJ
19
17
16
4
8
6
6
9
9
13
13
8
24
21
3
19
6
17
8
7
54
127
5
21
Swell 3
Height (m)
Direction
Period (s)
0.3
ENE
10
0.3
ENE
10
0.3
ENE
9
0.3
SSE
9
0.2
SSE
9
0.1
E
14
0.1
SE
13
0.1
S
11
0.1
SE
13
0.1
E
13
0.1
E
13
0.1
E
12
0.1
SE
12
0.1
SE
12
0.1
S
18
0.1
S
16
0.3
S
10
0.2
NNE
5
0.3
S
9
0.1
S
16
0.3
SE
4
0.1
SE
5
0.1
NE
9
Energy kJ
19
18
17
16
8
4
7
2
7
3
3
3
6
6
6
5
18
2
15
5
3
1
3
Wind waves
Height (m)
Direction
Period (s)
0.8
NNE
5
0.9
NNE
6
1.4
NNE
7
1.6
NNE
7
1.8
NNE
7
1.6
NNE
7
0.8
SSW
4
1
S
5
0.1
NE
4
0.4
NE
6
0.8
NE
4
1.1
NE
4
1
NE
5
0.9
NE
4
Energy kJ
31
51
180
261
328
225
17
45
1
14
16
51
41
32
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
0
158
157
0
0
12
0
175
0
12
131
131
0
11
131
61
11
11
131
25
139
25
0
0
Best forecast wave conditions in Kaikoura and Marlborough
Rating
(10 max)
1
1
1
1
1
1
1
2
1
1
1
1
1
2
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
2
2
2
2
2
2
1
1
2
2
3
2
2
1
4
4
4
4
4
4
4
5
3
3
Header Global
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
8
  • 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

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