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Onekaka surfForecast / Nelson – Tasman Bay / New Zealand
12 Day Weather and Surf, issued 6 pm Tuesday 01 Apr 2025 NZDT
Best Forecast Surf Conditions for Onekaka this week:
The surf forecast for Onekaka over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 06) at 9PM. The primary swell is predicted to be 1.4m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Onekaka in the next 12 days are 1.4m 6s and forecast to arrive on Sunday (Apr 06) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Thursday (Apr 03) at 10PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 6th Apr) | 4.5ft (1.4m) 6s |
| Best Surf | 9PM (Sun 6th Apr) | 4.5ft (1.4m) 6s |
| Most Powerful | 9PM (Sun 6th Apr) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Onekaka over the next 12 days.
Tue 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 2 | 3 | 4 | 4 | 3 | 10 | 9 | 10 | 9 | 9 | 10 | 10 | 4 | 3 | 8 | 3 | 6 | 9 | 12 | 11 | 7 | 8 | 12 | 2 | 5 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 6 | 5 | 5 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 0 | 1 | 9 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 11 | 6 | 2 | 1 | 2 | 4 | 4 | 0 | 24 | 25 | 0 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | glass | glass | cross- off | glass | cross- on | off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | glass | cross- on | glass | glass | glass | off | glass | on | cross- off | glass | glass | cross- off | glass |
High Tide / height (m) | 12:45AM 4.72 | 1:00PM 4.48 | 1:28AM 4.42 | 1:48PM 4.10 | 2:14AM 4.03 | 2:43PM 3.69 | 3:09AM 3.63 | 3:50PM 3.33 | 4:27AM 3.32 | 5:14PM 3.16 | 6:14AM 3.28 | 6:35PM 3.21 | 7:32AM 3.49 | 7:38PM 3.40 | 8:22AM 3.74 | 8:27PM 3.63 | 9:01AM 3.97 | 9:09PM 3.84 | 9:35AM 4.15 | 9:47PM 4.03 | 10:06AM 4.27 | 10:22PM 4.18 | 10:35AM 4.31 | |||||||||||||
Low Tide / height (m) | 6:15PM -0.11 | 6:38AM -0.06 | 7:01PM 0.21 | 7:24AM 0.34 | 7:51PM 0.58 | 8:20AM 0.79 | 8:47PM 0.95 | 9:40AM 1.16 | 9:54PM 1.25 | 11:17AM 1.29 | 11:20PM 1.41 | 12:38PM 1.18 | 12:51AM 1.34 | 1:38PM 0.98 | 1:58AM 1.10 | 2:25PM 0.77 | 2:45AM 0.81 | 3:03PM 0.59 | 3:22AM 0.57 | 3:37PM 0.46 | 3:53AM 0.40 | 4:08PM 0.37 | 4:21AM 0.33 | |||||||||||||
Tue 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | ||||||||||||||||||||||||
| Sunrise | - | - | 7:43 | - | - | 7:45 | - | - | 7:46 | - | - | 7:47 | - | - | 7:48 | - | - | 7:48 | - | - | 7:50 | - | - | 7:50 | - | - | 7:52 | - | - | 7:52 | - | - | 7:54 | - | - | 7:54 |
| Sunset | 7:22 | - | - | 7:20 | - | - | 7:19 | - | - | 7:16 | - | - | 7:15 | - | - | 7:14 | - | - | 7:12 | - | - | 7:10 | - | - | 7:08 | - | - | 7:07 | - | - | 7:06 | - | - | 7:04 | - | - |
 |  |  | |  |  | | |  |  |  | | |  | | |  |  | |  | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | 3 | 4 | 46 | 71 | 60 | 42 | 7 | 1 | - | 1 | 1 | - | 2 | 19 | 5 | - | - | 6 | 1 | 2 | - | - | 2 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 16 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 21 | 16 | 17 | 16 | 15 | 16 | 14 | 15 | 17 | 18 | 15 | 14 | 13 | 11 | 14 | 13 | 13 | 16 | 17 | 11 | 16 | 16 | 13 | 17 | 17 | 14 | 16 |
| Feels °C (?) | 17 | 15 | 14 | 15 | 15 | 15 | 15 | 18 | 21 | 23 | 15 | 16 | 15 | 15 | 15 | 12 | 13 | 14 | 15 | 14 | 9 | 8 | 8 | 12 | 11 | 12 | 14 | 16 | 9 | 15 | 15 | 12 | 15 | 15 | 12 | 14 |
Short Range Forecast: Heavy rain (total 233mm), heaviest during Thu morning. Very mild (max 19°C on Thu night, min 14°C on Wed night). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Fri morning). | Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Sun afternoon. Warm (max 21°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light. | Days 6-9 Weather Summary Moderate rain (total 12mm), heaviest on Mon night. Very mild (max 18°C on Mon afternoon, min 9°C on Tue night). Winds decreasing (fresh winds from the WNW on Mon night, calm by Wed night). | Long Range Forecast: Mostly dry. Very mild (max 17°C on Thu afternoon, min 10°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Onekaka 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 Onekaka Surf forecast
The above surf forecast table for Onekaka provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Onekaka can be found by selecting the local surf guide option on the grey menu. Our Onekaka 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 (Onekaka) 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 Onekaka 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.
Are you planning a holiday in Nelson - Tasman Bay? If you are looking for accommodation near Onekaka, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 76 km (47 miles) away.
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