Whites Bay surfForecast / Kaikoura and Marlborough / New Zealand

information circle16 Day Weather and Surf, issued 5 am Thursday 23 Apr 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Whites Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Whites Bay sea temperature is
14.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Whites Bay this week:

The surf forecast for Whites Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 23) at 9PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 1.0m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Whites Bay in the next 16 days are 2.2m 13s and forecast to arrive on Thursday (Apr 30) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Apr 29) at 3PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 23rd Apr)3.5ft (1.0m) 9s
Best Surf 9PM (Thu 23rd Apr)3.5ft (1.0m) 9s
Most Powerful12PM (Thu 30th Apr)7ft (2.2m) 13s

Table - best surf conditions forecast for Whites Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat afternoon, min 7°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Mon afternoon, min 8°C on Tue night). Wind will be generally light.

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
1
1
0
1
1
1
1
1
0
1
1
1
1
0
2
2
1
1
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
2.2
S
8
1.5
SSE
8
0.9
ESE
9
0.7
S
8
0.6
SE
9
0.6
S
8
0.6
S
9
0.5
S
14
0.4
SSE
13
0.5
S
9
0.4
SSE
12
0.4
SSE
13
0.7
S
15
0.5
S
10
0.5
S
9
0.6
S
10
1.1
SSE
11
1
S
10
0.7
S
10
0.6
S
9
1.7
S
5
Wave Graph
Metric surfscale
Energy kJ
675
284
130
58
54
41
53
104
56
37
47
60
212
47
42
78
286
200
88
57
160
Wind (km/h)
10
SW
10
ESE
5
W
5
WNW
10
NE
10
WNW
10
NW
10
NNE
5
NW
10
NW
15
N
10
W
10
W
15
NW
10
W
5
SSW
15
N
5
WNW
15
NW
20
NW
20
WNW
cross
on
cross-off
off
cross
cross-off
off
cross-off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross
cross-off
off
off
off
cross-off
High Tide
11:18AM1.69m
11:41PM1.77m
12:12PM1.67m
00:38AM1.70m
1:04PM1.63m
1:34AM1.65m
1:57PM1.60m
2:27AM1.61m
2:49PM1.57m
3:17AM1.58m
3:42PM1.55m
4:07AM1.57m
4:33PM1.56m
Low Tide
5:23PM0.30m
6:03AM0.33m
6:21PM0.31m
6:58AM0.34m
7:15PM0.33m
7:52AM0.36m
8:08PM0.36m
8:42AM0.37m
9:01PM0.39m
9:30AM0.39m
9:57PM0.42m
10:18AM0.41m
10:51PM0.44m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
7:03
7:05
7:05
7:07
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:39
5:37
5:37
5:35
5:34
5:32
Temp °C
13
13
9
14
14
10
16
17
12
16
17
11
18
19
12
16
17
11
18
18
16
10
10
7
12
12
7
13
15
11
13
14
9
16
16
9
15
14
9
13
13
11
Swell 1
Height (m)
Direction
Period (s)
1.9
SSE
8
1.5
SSE
8
0.9
SSE
8
0.7
S
8
0.6
S
8
0.6
S
8
0.6
S
9
0.5
S
10
0.5
S
9
0.5
S
9
0.4
S
9
0.4
SSE
13
0.7
S
15
0.5
S
10
0.5
S
9
0.6
S
10
1.1
SSE
11
1
S
10
0.7
S
10
0.6
S
9
Energy kJ
486
284
101
58
43
41
53
45
43
37
24
60
212
47
42
78
286
200
88
57
Swell 2
Height (m)
Direction
Period (s)
1.1
ESE
10
0.9
ESE
10
0.9
ESE
9
0.5
ESE
9
0.6
SE
9
0.4
SE
9
0.3
SSE
14
0.5
S
14
0.4
SSE
13
0.3
SSE
12
0.4
SSE
12
0.3
S
9
0.1
NE
10
0.3
SSE
14
0.3
SSE
12
0.1
E
10
0.1
E
10
0.6
SSE
13
0.1
SE
13
0.1
SE
12
0.1
SE
11
Energy kJ
218
132
130
46
54
28
36
104
56
30
47
13
4
38
26
2
2
137
7
6
5
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
8
0.6
SE
9
0.5
ESE
8
0.3
ESE
9
0.3
SE
9
0.2
E
8
0.1
E
8
0.1
E
9
0.1
E
9
0.1
SE
10
0.2
N
4
0.1
E
10
0.1
E
10
0.1
S
20
0.1
S
20
0.1
N
8
Energy kJ
3
46
41
16
12
5
1
2
2
4
1
2
2
8
7
1
Wind waves
Height (m)
Direction
Period (s)
2.2
S
8
1.4
S
8
0.4
NNW
3
0.5
N
3
0.4
N
3
0.6
N
5
0.7
N
4
0.4
NNW
5
0.3
SSW
2
0.5
S
4
0.6
N
3
0.9
N
4
1.7
S
5
Energy kJ
675
241
2
4
2
16
12
9
1
8
7
23
160
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
Distance (km)
84
84
0
0
51
0
0
0
0
0
93
0
0
0
0
59
0
0
0
0
51
Best forecast wave conditions in Kaikoura and Marlborough
Rating
(10 max)
3
2
2
2
1
1
2
2
2
2
2
2
2
2
1
2
2
3
2
1
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
3
3
3
4
4
3
3
4
6
5
4
3
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
9
5
5
4
5
5
4
5
4
4
6
7
9
5
5
6
6
8
8
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)
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Information about the Whites Bay Surf forecast

The above surf forecast table for Whites Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Whites Bay can be found by selecting the local surf guide option on the grey menu. Our Whites Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Whites Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Whites Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Whites Bay is 16 km (10 miles) from the city of Blenheim. If you plan a holiday in Kaikoura and Marlborough, look for hotels and other accommodation in Blenheim. Blenheim has rooms for a wide range of budgets as well as car hire and transport links.

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