Whites Bay surfForecast / Kaikoura and Marlborough / New Zealand

information circle16 Day Weather and Surf, issued 5 pm Monday 11 May 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
14.1° 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 Tuesday (May 12) at 12AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 0.3m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Whites Bay in the next 16 days are 2.5m 12s and forecast to arrive on Wednesday (May 13) at 6PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (May 12) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Tue 12th May)5ft (1.6m) 13s
Best Surf12PM (Wed 13th May)7.5ft (2.3m) 12s
Most Powerful 6PM (Wed 13th May)8ft (2.5m) 12s

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 13°C on Tue morning, min 6°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 12°C on Thu afternoon, min 7°C on Sun morning). Wind will be generally light.

Mon
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
3
3
2
1
3
3
2
2
2
0
3
2
1
1
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)
2.1
SSE
13
1.6
SSE
13
1.2
SSE
12
1.4
S
11
1.4
SSE
14
2
S
13
2.5
SSE
9
2
SSE
13
1.8
S
11
2.1
SSE
9
1.8
S
9
0.8
SSE
14
1.4
SSE
13
1.3
SSE
12
1.1
SSE
10
1
SSE
9
0.9
SSE
8
0.7
SSE
9
0.7
SSE
9
0.6
SSE
9
0.6
SSE
8
Wave Graph
Metric surfscale
Energy kJ
1387
774
425
482
822
1421
976
1259
785
631
493
265
642
429
223
177
122
80
86
59
42
Wind (km/h)
10
ESE
10
WNW
10
W
10
ESE
5
SW
5
SSW
10
SE
5
SW
5
SW
10
SE
5
SSW
5
WSW
10
ESE
10
SSE
10
SSE
10
SE
10
SSE
10
S
10
SE
10
SW
10
WSW
cross-on
off
cross-off
cross-on
cross-off
cross
on
cross
cross
on
glassy
cross-off
on
cross-on
cross-on
on
cross-on
cross-on
on
cross
cross-off
High Tide
1:44AM1.50m
2:09PM1.49m
2:32AM1.55m
2:58PM1.56m
3:21AM1.60m
3:49PM1.64m
4:12AM1.65m
4:40PM1.72m
5:08AM1.70m
5:36PM1.80m
6:05AM1.73m
6:34PM1.86m
7:04AM1.75m
Low Tide
7:24PM0.50m
8:01AM0.44m
8:15PM0.47m
8:47AM0.40m
9:08PM0.44m
9:34AM0.36m
10:04PM0.40m
10:24AM0.33m
10:59PM0.35m
11:19AM0.30m
11:56PM0.31m
12:16PM0.27m
00:53AM0.28m
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:22
7:22
7:24
7:24
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:16
5:15
5:15
5:14
5:13
5:13
5:12
Temp °C
12
8
13
13
10
12
13
12
12
12
10
11
11
9
10
10
9
9
10
9
11
8
5
12
10
8
10
10
10
10
10
8
10
9
7
7
7
6
6
7
6
10
Swell 1
Height (m)
Direction
Period (s)
2.1
SSE
13
1.6
SSE
13
1.2
SSE
12
1.1
S
11
1.4
SSE
14
0.2
E
12
0.2
SSE
21
2
SSE
13
1.5
SSE
11
0.2
SSE
16
1.6
SSE
9
1.2
SSE
8
1.4
SSE
13
1.3
SSE
12
1.1
SSE
10
1
SSE
9
0.9
SSE
8
0.7
SSE
9
0.7
SSE
9
0.6
SSE
9
0.6
SSE
8
Energy kJ
1387
774
425
307
822
12
45
1259
476
24
358
190
642
429
223
177
122
80
86
59
42
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
11
0.3
ENE
11
0.3
N
5
0.6
SSE
16
0.2
E
13
0.1
S
24
0.2
E
12
0.1
E
11
0.1
E
10
0.1
SE
13
0.3
SSE
15
0.8
SSE
14
0.1
E
10
0.2
E
10
0.1
S
20
0.1
S
18
0.2
S
16
0.2
SSE
15
0.3
ESE
4
0.1
S
14
Energy kJ
24
22
4
193
13
11
11
2
2
7
43
265
2
7
8
6
21
23
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
E
14
0.1
E
14
0.2
E
14
0.1
S
24
0.2
S
22
0.1
E
11
0.2
SSE
14
0.1
E
9
0.1
SE
12
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
S
16
0.1
E
15
Energy kJ
4
4
15
11
36
2
19
2
6
2
2
2
2
5
4
Wind waves
Height (m)
Direction
Period (s)
0.9
NNW
4
1.4
S
11
2
S
13
2.5
SSE
9
1.8
S
11
2.1
SSE
9
1.8
S
9
0.6
E
4
Energy kJ
32
482
1421
976
785
631
493
12
Nearest Offshore or Glassy
Rating
(10 max)
1
3
2
1
3
4
4
4
3
1
3
2
3
3
2
1
2
1
1
1
1
Distance (km)
55
0
0
69
0
84
101
59
59
149
0
0
84
59
59
55
84
51
93
51
51
Best forecast wave conditions in Kaikoura and Marlborough
Rating
(10 max)
4
4
3
4
4
4
4
4
4
4
3
3
2
2
2
2
1
1
1
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
4
4
4
8
9
9
6
5
4
4
4
4
4
3
5
4
4
4
3
3
Header Global
Rating
(10 max)
5
4
9
9
9
9
9
7
8
5
5
6
5
5
5
5
5
5
5
5
4
  • 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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