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Surf Forecasts:
Onekaka surfForecast / Nelson – Tasman Bay / New Zealand
48hr Weather and Surf, issued 6 pm Saturday 21 Mar 2026 NZDTForecast update in hr min s Forecast update imminent
Onekaka surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Onekaka sea temperature is
18.5° C
(Which is 1.1°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 3 | 3 | 14 | 14 | 14 | 13 | 13 | 6 | 13 | 13 | 18 | 18 | 18 | 17 | 12 | 16 | 16 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | cross- off | glass | off | glass | on | on | glass | cross- off | cross- off | glass | cross- off | glass | on | on | glass | off | off | off | off | glass | cross- on |
High Tide / height (m) | 12:18AM 4.61 | 12:27PM 4.59 | 12:56AM 4.51 | 1:10PM 4.36 | 1:36AM 4.28 | |||||||||||||||||||
Low Tide / height (m) | 5:45PM -0.11 | 6:08AM -0.11 | 6:25PM 0.02 | 6:47AM 0.07 | 7:08PM 0.27 | 7:32AM 0.39 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:33 | - |
| Sunset | - | 7:39 | - | - | - | - | - | - | - | 7:38 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - |
 |  |  | | | | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 14 | 13 | 13 | 12 | 15 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 17 | 18 | 18 | 16 | 15 | 15 | 14 | 14 | 17 | 20 |
| Feels °C (?) | 14 | 15 | 14 | 12 | 13 | 11 | 15 | 16 | 17 | 16 | 15 | 14 | 13 | 13 | 17 | 17 | 17 | 17 | 15 | 13 | 12 | 12 | 17 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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