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Ruby Bay Surf Forecast
/ Nelson – Tasman Bay (18 surf breaks) /
Ruby Bay surfForecast / Nelson – Tasman Bay / New Zealand
12 Day Weather and Surf, issued 11 pm Tuesday 01 Jul 2025 NZST
Best Forecast Surf Conditions for Ruby Bay this week:
The surf forecast for Ruby Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 03) at 9AM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 1.4m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ruby Bay in the next 12 days are 2.3m 10s and forecast to arrive on Friday (Jul 04) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 10s period and expected on Friday (Jul 04) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 3rd Jul) | 5ft (1.5m) 8s |
| Best Surf | 9AM (Thu 3rd Jul) | 5ft (1.5m) 8s |
| Most Powerful | 9PM (Fri 4th Jul) | 7.5ft (2.3m) 10s |
Table - best surf conditions forecast for Ruby Bay over the next 12 days.
Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | |||||||||||||||||||||||||
| 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 | PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 5 | 8 | 10 | 11 | 10 | 11 | 10 | 9 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 14 | 5 | 3 | 4 | 6 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 12 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 0 | 0 | 0 | 16 | 551 | 733 | 672 | 361 | 498 | 882 | 246 | 517 | 158 | 0 | 0 | 0 | 2 | 1 | 2 | 5 | 0 | 2 | 0 | 21 | 186 | 602 | 552 | 1045 | 1394 | 505 | 156 | 76 | 403 | 392 | 100 | 44 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | glass | off | glass | cross- off | glass | glass | on | glass | off | on | glass | glass | glass | glass | glass | glass | glass | cross- off | glass | off | glass | glass | glass | glass | glass | glass | cross- on | glass | glass | off | glass | off | off | glass |
High Tide / height (m) | 2:31AM 3.67 | 2:59PM 3.53 | 3:21AM 3.53 | 3:45PM 3.41 | 4:15AM 3.41 | 4:35PM 3.31 | 5:11AM 3.33 | 5:35PM 3.27 | 6:09AM 3.28 | 6:46PM 3.31 | 7:05AM 3.29 | 7:53PM 3.44 | 7:59AM 3.34 | 8:46PM 3.60 | 8:49AM 3.45 | 9:29PM 3.76 | 9:35AM 3.59 | 10:08PM 3.89 | 10:19AM 3.72 | 10:46PM 3.99 | 11:01AM 3.81 | 11:23PM 4.07 | 11:43AM 3.84 | |||||||||||||
Low Tide / height (m) | 8:31AM 1.34 | 8:38PM 1.41 | 9:23AM 1.49 | 9:30PM 1.57 | 10:19AM 1.60 | 10:39PM 1.69 | 11:17AM 1.64 | 11:52PM 1.74 | 12:12PM 1.63 | 12:53AM 1.69 | 1:02PM 1.58 | 1:43AM 1.59 | 1:53PM 1.51 | 2:27AM 1.46 | 2:44PM 1.40 | 3:07AM 1.32 | 3:34PM 1.26 | 3:46AM 1.19 | 4:21PM 1.09 | 4:25AM 1.08 | 5:02PM 0.94 | 5:05AM 1.00 | 5:40PM 0.84 | |||||||||||||
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 | - | 7:54 | - | - | 7:52 | - | - | 7:52 | - | - | 7:52 | - | - | 7:52 | - | - | 7:52 | - | - | 7:52 | - | - | 7:52 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - |
| Sunset | - | - | 5:08 | - | - | 5:08 | - | - | 5:09 | - | - | 5:10 | - | - | 5:10 | - | - | 5:12 | - | - | 5:12 | - | - | 5:13 | - | - | 5:14 | - | - | 5:14 | - | - | 5:15 | - | - | 5:15 |
 |  | |  |  | | |  | | | | | |  | |  |  | | | | | | | | | |  |  | | |  | | | | | | |
Rain (mm) | - | - | - | 2 | 22 | 29 | 4 | 5 | 3 | 3 | - | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 7 | 7 | 2 | 1 | - | - | - | - | - | - |
| Temp. °C | 7 | 9 | 10 | 8 | 9 | 10 | 11 | 13 | 14 | 14 | 15 | 14 | 12 | 12 | 12 | 9 | 10 | 11 | 7 | 8 | 9 | 6 | 8 | 9 | 8 | 9 | 10 | 11 | 10 | 12 | 10 | 12 | 14 | 11 | 13 | 13 |
| Feels °C (?) | 5 | 7 | 9 | 6 | 8 | 9 | 10 | 14 | 14 | 14 | 15 | 14 | 12 | 11 | 11 | 8 | 8 | 9 | 5 | 6 | 7 | 4 | 6 | 7 | 7 | 8 | 9 | 9 | 8 | 12 | 9 | 10 | 13 | 9 | 11 | 12 |
Short Range Forecast: Heavy rain (total 65mm), heaviest during Thu afternoon. Very mild (max 14°C on Fri afternoon, min 5°C on Tue night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 15°C on Sat morning, min 7°C on Sun night). Wind will be generally light. | Days 6-9 Weather Summary Moderate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 10°C on Thu afternoon, min 4°C on Tue morning). Wind will be generally light. | Long Range Forecast: Moderate rain (total 10mm), heaviest on Thu night. Very mild (max 14°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
- 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 Ruby 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 Ruby Bay Surf forecast
The above surf forecast table for Ruby Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ruby Bay can be found by selecting the local surf guide option on the grey menu. Our Ruby 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 (Ruby 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 Ruby 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.
Are you planning a holiday in Nelson - Tasman Bay? If you are looking for accommodation near Ruby Bay, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 17 km (11 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 80 km (50 miles) away
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