Surf Forecasts:
Whites Bay surf forecast from 17 Sep 2026:
- Best quality surf: Sunday 20 Sep, 9PM (local time) - 13ft (4.0m), 11s period, S swell with cross-shore winds.
- Most powerful swell: Monday 21 Sep, 12AM (local time) - 13ft (4.0m), 12s period, S swell with 4,536 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 6AM (local time) - 2ft (0.6m), 13s period with ESE swell.
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 Friday (Sep 18) at 6AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.7m and 6s. 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 4.0m 12s and forecast to arrive on Monday (Sep 21) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Sep 19) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 18th Sep) | 2ft (0.6m) 13s |
| Best Surf | 9PM (Sun 20th Sep) | 13ft (4.0m) 11s |
| Most Powerful | 12AM (Mon 21st Sep) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Whites Bay over the next 16 days.
Short Range ForecastHeavy rain (total 32mm), heaviest during Thu afternoon. Very mild (max 15°C on Sat afternoon, min 7°C on Thu afternoon). Winds increasing (calm on Thu morning, fresh winds from the WNW by Sat night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Tue morning. Very mild (max 14°C on Mon afternoon, min 5°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 11 | ESE 10 | S 6 | ESE 13 | SE 12 | SE 11 | ESE 12 | SE 11 | ESE 11 | S 7 | S 8 | S 12 | SSE 11 | SSE 9 | SSE 8 | S 8 | S 8 | SSE 7 | SSE 7 | S 16 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 45 | 39 | 80 | 145 | 205 | 123 | 180 | 126 | 82 | 547 | 476 | 4536 | 850 | 360 | 118 | 125 | 705 | 147 | 301 | 135 | 186 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross-on | off | cross | cross-on | off | off | cross-off | off | on | cross-off | glassy | cross-off | cross-off | on | on | cross-off | cross-on | on | cross-off |
High Tide | 10:47AM1.63m | 11:13PM1.53m | 11:31AM1.60m | 00:00AM1.50m | 12:16PM1.55m | 00:44AM1.47m | 1:04PM1.52m | 1:30AM1.45m | 1:55PM1.50m | 2:18AM1.44m | 2:45PM1.50m | 3:08AM1.45m | 3:34PM1.52m | ||||||||
Low Tide | 4:59PM0.53m | 5:13AM0.54m | 5:48PM0.56m | 6:01AM0.58m | 6:37PM0.58m | 6:48AM0.59m | 7:27PM0.59m | 7:34AM0.58m | 8:15PM0.57m | 8:20AM0.55m | 9:01PM0.54m | 9:09AM0.52m | 9:46PM0.50m | ||||||||
 |  |  |  |  |  | | | | | |  | | | | |  | | | | | |
 | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — |
 | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — |
mm | 2 | 21 | 8 | — | — | — | — | — | 1 | — | — | — | — | — | — | 3 | 1 | 1 | 1 | — | — |
Temp °C | 12 | 9 | 7 | 14 | 14 | 9 | 14 | 15 | 13 | 13 | 12 | 8 | 13 | 14 | 10 | 9 | 8 | 5 | 10 | 10 | 7 |
Feels °C | 11 | 7 | 4 | 12 | 12 | 5 | 10 | 10 | 8 | 10 | 8 | 5 | 10 | 10 | 7 | 6 | 5 | 2 | 3 | 2 | 4 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 10 | ESE 9 | ESE 13 | SE 12 | SE 11 | ESE 12 | SE 11 | ESE 11 | S 7 | ESE 11 | SSE 12 | SSE 11 | SSE 9 | SSE 8 | ESE 10 | S 8 | SSE 7 | SSE 15 | S 16 | S 9 |
| kJ | 45 | 39 | 34 | 145 | 205 | 123 | 180 | 126 | 82 | 229 | 47 | 2591 | 850 | 360 | 118 | 10 | 484 | 147 | 79 | 135 | 186 |
Swell 2 Height (m) Direction Period (s) | S 15 | NNE 4 | ESE 14 | SSE 6 | SSE 16 | ESE 13 | S 15 | S 14 | S 12 | ESE 11 | SSE 15 | SE 11 | NNW 17 | ESE 10 | SSE 14 | NNE 3 | S 15 | SE 12 | SE 11 | ESE 11 | SSE 16 |
| kJ | 17 | 5 | 20 | 24 | 49 | 69 | 112 | 104 | 75 | 47 | 43 | 30 | 29 | 10 | 36 | 1 | 18 | 22 | 20 | 12 | 83 |
Swell 3 Height (m) Direction Period (s) | S 8 | NNE 5 | S 15 | SE 9 | S 15 | SSE 15 | SE 4 | ESE 6 | E 7 | SSE 15 | NNW 7 | — | E 10 | NW 16 | NNE 4 | ESE 13 | SE 13 | SSE 16 | ESE 8 | ESE 8 | ESE 11 |
| kJ | 4 | 5 | 17 | 20 | 42 | 74 | 5 | 6 | 3 | 23 | 9 | — | 2 | 10 | 3 | 17 | 7 | 48 | 7 | 6 | 11 |
Wind waves Height (m) Direction Period (s) | N 3 | — | S 6 | — | SSE 5 | SSE 4 | — | N 4 | NNW 3 | S 7 | S 8 | S 12 | — | NNE 4 | — | S 8 | S 8 | NW 2 | SSE 7 | SSE 6 | — |
| kJ | 6 | — | 80 | — | 10 | 22 | — | 12 | 7 | 547 | 476 | 4536 | — | 13 | — | 125 | 705 | 1 | 301 | 129 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 84 | 61 | 55 | 0 | 51 | 59 | 0 | 0 | 0 | 0 | 61 | 59 | 0 | 93 | 0 | 73 | 59 | 0 | 55 | 132 | 0 |
Best forecast wave conditions in Kaikoura and Marlborough | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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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.
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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