Whites Bay surfForecast / Kaikoura and Marlborough / New Zealand

information circle16 Day Weather and Surf, issued 6 am Thursday 26 Mar 2026 NZDT
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
16.5° C
(Which is slightly warmer than usual)

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 (Mar 26) at 10PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.1m and 12s. 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 3.0m 13s and forecast to arrive on Tuesday (Mar 31) at 7PM. 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 5s period and expected on Friday (Mar 27) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Thu 26th Mar)3.5ft (1.0m) 9s
Best Surf 4AM (Wed 1st Apr)7ft (2.2m) 14s
Most Powerful 7PM (Tue 31st Mar)10ft (3.0m) 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 Heavy rain (total 37mm), heaviest during Thu night. Warm (max 25°C on Sat afternoon, min 14°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Sun night. Warm (max 23°C on Mon afternoon, min 9°C on Mon night). Wind will be generally light.

Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
0
1
1
1
1
1
1
1
2
2
1
0
3
3
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.8
ESE
1
ESE
0.9
ESE
0.7
ESE
0.8
ESE
0.6
ESE
0.6
ESE
0.7
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.5
ESE
2.4
S
2.5
SSE
1.6
SSE
1.4
SSE
1.2
SSE
Period(s) (?)118107889101312121211111110714131010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)43661977850806972168206203193143135101576362397847394271
Wind
(km/h)
5
SSE
10
SSE
5
ENE
15
NNE
20
N
20
NNW
15
NW
10
NW
5
NNE
10
NNW
25
NNW
10
N
15
NW
10
WSW
5
NNW
10
SW
15
ESE
5
SSE
5
SW
10
ESE
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncrosscross-
off
cross-
off
cross-
off
offoffglassoffoffcross-
off
offcross-
off
glasscross-
off
ononglasscross-
on
cross-
on
High Tide
/ height (m)
1:30PM
1.64
1:54AM
1.72
2:23PM
1.63
2:50AM
1.68
3:16PM
1.61
3:44AM
1.65
4:08PM
1.60
4:35AM
1.63
4:59PM
1.59
5:25AM
1.62
5:50PM
1.58
6:15AM
1.61
6:40PM
1.59
Low Tide
/ height (m)
7:38PM
0.33
8:17AM
0.36
8:33PM
0.33
9:11AM
0.35
9:25PM
0.32
10:01AM
0.34
10:18PM
0.32
10:49AM
0.34
11:11PM
0.33
11:38AM
0.35
12:06AM
0.34
12:29PM
0.36
12:58AM
0.35
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Sunrise7:31--7:31--7:33--7:35--7:35--7:37--7:37--
Sunset-7:25--7:24--7:22--7:21--7:20--7:17--7:15-
light rain
heavy rain
heavy rain
cloud
light rain
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
clear
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
Rain (mm)
41319-1------1---------
Temp. °C151415171818232517212117222314161312151411
Feels °C (?)1513141516172024181918171922141391013129
  • Map Icons:
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  • 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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