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Ruby Bay Surf Forecast
/ Nelson – Tasman Bay (18 surf breaks) /
Surf Forecasts:
Ruby Bay surfForecast / Nelson – Tasman Bay / New Zealand
48hr Weather and Surf, issued 5 am Thursday 07 May 2026 NZSTForecast update in hr min s Forecast update imminent
Ruby Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ruby Bay sea temperature is
16.3° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Ruby Bay today?
The current surf forecast for Ruby Bay at 9AM is: 1.1m 6s primary swell from a North direction (forecast issued at 05:00am May 07). The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 3.5ft (1.1m) | 6s |
| Afternoon (07 May) | 5ft (1.6m) | 7s |
| Evening (07 May) | 6ft (1.8m) | 7s |
Table - waves today at Ruby Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 69mm), heaviest during Fri afternoon. Very mild (max 17°C on Thu night, min 10°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the N by Fri afternoon). | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
N 5 | NNW 5 | N 6 | N 6 | N 7 | N 7 | N 7 | N 8 | N 8 | N 8 | N 8 | N 8 | N 9 | N 10 | N 10 | N 10 | N 10 | N 10 | NNW 10 | NNW 10 | N 9 | N 9 | NNW 9 | N 8 | |
14 | 35 | 77 | 143 | 220 | 367 | 348 | 398 | 453 | 503 | 682 | 765 | 841 | 1780 | 1406 | 1115 | 0 | 0 | 0 | 0 | 155 | 127 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | glassy | off | cross-off | off | off | |
High Tide | 00:49AM3.71m | 1:18PM3.41m | 1:27AM3.51m | 2:07PM3.28m | 2:14AM3.32m | 3:05PM3.18m | ||||||||||||||||||
Low Tide | 6:31AM1.29m | 7:14PM1.37m | 7:15AM1.44m | 8:02PM1.47m | 8:11AM1.59m | 8:56PM1.54m | ||||||||||||||||||
 |  |  |  | |  | | | |  | | |  |  |  | | | |  | |  | |  | | |
 | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | 7:22 |
 | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | 5:23 |
— | — | 1 | 1 | 2 | 3 | 2 | 5 | 2 | 7 | 5 | 5 | 12 | 21 | 2 | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 17 | 15 | 14 | 14 | 14 | 13 | 14 | 14 | 12 | 10 | 10 |
12 | 12 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 14 | 13 | 12 | 13 | 12 | 11 | 12 | 13 | 12 | 13 | 12 | 10 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | N 5 | N 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 10 | N 10 | N 9 | N 9 | NNW 9 | N 8 |
 kJ | 14 | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 632 | 424 | 155 | 127 | 99 | 64 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 11 | NNW 12 | NNW 12 | NNW 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 133 | 79 | 54 | 53 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 5 | N 6 | N 6 | N 7 | N 7 | N 7 | N 8 | N 8 | N 8 | N 8 | N 8 | N 9 | N 10 | N 10 | N 10 | N 10 | N 10 | NNW 10 | NNW 10 | — | — | — | WSW 2 |
| kJ | — | 35 | 77 | 143 | 220 | 367 | 348 | 398 | 453 | 503 | 682 | 765 | 841 | 1780 | 1406 | 1115 | 1138 | 951 | 1520 | 1060 | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 88 | 14 | 88 | 133 | 199 | 193 | 206 | 133 | 193 | 194 | 133 | 194 | 206 | 466 | 134 | 133 | 207 | 132 | 129 | 129 | 7 | 14 | 14 | 115 |
Best forecast wave conditions in Nelson - Tasman Bay | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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