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Whites Bay surfForecast / Kaikoura and Marlborough / New Zealand

information circle12 Day Weather and Surf, issued 5 am Saturday 16 Aug 2025 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
11.3° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 17) at 12PM. The primary swell is predicted to be 0.3m and 20s period with a secondary swell of 0.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Whites Bay in the next 12 days are 4.5m 10s and forecast to arrive on Tuesday (Aug 19) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Saturday (Aug 16) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sun 17th Aug)1ft (0.3m) 20s
Best Surf 6PM (Tue 19th Aug)13ft (4.0m) 10s
Most Powerful 3PM (Tue 19th Aug)15ft (4.5m) 10s

Table - best surf conditions forecast for Whites Bay over the next 12 days.

Hourly12 Days
Kaikoura and Marlborough Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 

Short Range Forecast Light rain (total 4mm), mostly falling on Mon night. Very mild (max 13°C on Sat morning, min 6°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Wed afternoon, min 4°C on Tue night). Winds decreasing (strong winds from the SSE on Tue morning, calm by Wed morning).

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
!
!
2
4
3
1
1
1
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
S
0.3
S
0.3
S
0.2
S
0.3
SSE
0.3
SSE
0.2
SSE
0.2
SSE
0.3
SSE
3.5
S
4.5
S
4
S
3.5
S
2.5
SSE
2.5
S
1.9
S
0.8
S
0.7
SSE
0.6
SSE
0.5
SSE
0.7
S
Period(s) (?)9881518161615139101099981514141410
Wave
Graph
(?)Metric surfscale
Energy (?)2515193983663631432157372253572766110318681086679370273227187
Wind
(km/h)
10
NW
20
NNW
15
NW
10
WNW
5
N
10
WSW
5
WNW
15
N
5
S
35
S
40
SSE
10
WSW
10
WSW
10
SSE
10
WSW
5
SW
15
SE
5
SW
5
SSW
10
ESE
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffglasscross-
off		offcross-
off		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		oncross-
off		cross-
off		oncrosscrosscross-
on		glass
High Tide
/ height (m)
11:49AM
1.70
12:21AM
1.64
12:46PM
1.71
1:16AM
1.63
1:43PM
1.71
2:12AM
1.62
2:39PM
1.71
3:07AM
1.62
3:32PM
1.71
4:00AM
1.62
4:24PM
1.70
4:51AM
1.62
5:15PM
1.69
Low Tide
/ height (m)
6:03PM
0.39
6:31AM
0.34
7:06PM
0.41
7:28AM
0.34
8:07PM
0.40
8:21AM
0.34
9:02PM
0.38
9:13AM
0.33
9:52PM
0.35
10:06AM
0.32
10:41PM
0.33
11:00AM
0.30
11:31PM
0.33
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Sunrise7:13--7:11--7:09--7:09--7:07--7:05--7:05--
Sunset-5:43--5:44--5:45--5:45--5:46--5:47--5:49-
clearpart cloudcloudcloudcloudpart cloudpart cloudpart cloudrain showerscloudclearpart cloudpart cloudclearclearclearpart cloudpart cloudpart cloudclearclear
Rain (mm)
--------4------------
Temp. °C131391112912139886131491011911108
Feels °C (?)8869107996-2-2211106787876
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Kaikoura and Marlborough

  1. weather stationWind Update Continuing clean conditions at Whites Bay (calm at Blenheim 23 km from Whites Bay). 0.5m 10s swell from the S with a 0.1m 10s swell from the ESE and a 0.1m 6s windswell from the SE. 3 swells combining to make bigger set waves.

    1 hour 13 minutes ago Whites Bay
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23 km away, 1 h 13 min ago

0 km/h
WSW
0.0
11.3
Air / Water (°C)
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Whites Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Whites Bay at:
surf-forecast.com

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 12 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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