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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 Tuesday 12 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
15.9° C
(Which is 1.0°C warmer than normal for this time of year)| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 0.5ft (0.1m) | 15s |
| Evening (12 May) | 0.5ft (0.2m) | 4s |
Table - waves today at Ruby Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 7°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 7 | N 7 | NW 15 | NW 15 | N 15 | N 15 | N 4 | N 15 | N 15 | N 15 | N 15 | NW 22 | N 14 | NE 4 | NE 4 | NW 19 | NE 4 | NE 4 | NE 4 | NW 16 | NW 16 | N 16 | N 16 | N 15 | |
1 | 1 | 0 | 0 | 4 | 4 | 1 | 4 | 4 | 4 | 4 | 0 | 4 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 5 | 5 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | glassy | glassy | glassy | glassy | glassy | off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off | off | off | glassy | glassy | on | glassy | glassy | off | |
High Tide | 5:48AM3.32m | 6:26PM3.30m | 6:47AM3.53m | 7:25PM3.51m | 7:37AM3.75m | 8:19PM3.76m | ||||||||||||||||||
Low Tide | 11:55AM1.47m | 00:23AM1.39m | 12:50PM1.24m | 1:19AM1.17m | 1:37PM1.01m | |||||||||||||||||||
 | |  | | | | | | | | | | |  | | | | | | | | | | | |
 | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | 7:28 |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | 5:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 7 | 6 | 9 | 14 | 17 | 12 | 10 | 9 | 8 | 7 | 8 | 12 | 13 | 11 | 10 | 9 | 9 | 9 | 9 | 13 | 13 | 11 | 9 | 9 |
5 | 4 | 7 | 12 | 16 | 11 | 9 | 7 | 6 | 5 | 6 | 11 | 11 | 10 | 9 | 7 | 7 | 7 | 7 | 12 | 12 | 11 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | — | — | NNW 4 | NNW 4 | NNW 4 | NNW 4 | ENE 3 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | — | NE 4 | NE 4 | NE 4 | ENE 4 | NE 4 | NE 4 | NE 4 | NW 16 | NW 16 | N 16 | — | N 15 |
 kJ | — | — | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | — | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 10 | 10 | 5 | — | 4 |
Swell 2 Height (m) Direction Period (s) | NW 15 | NW 15 | NW 15 | NW 15 | N 15 | N 15 | N 4 | — | N 15 | N 15 | N 15 | NW 22 | NW 21 | NW 20 | NW 19 | NW 19 | NW 18 | NW 18 | NW 17 | — | — | — | N 16 | — |
| kJ | 8 | 8 | 8 | 8 | 4 | 4 | 1 | — | 4 | 4 | 4 | 18 | 18 | 15 | 15 | 14 | 12 | 12 | 12 | — | — | — | 5 | — |
Swell 3 Height (m) Direction Period (s) | N 7 | N 7 | NW 7 | — | — | — | — | N 15 | — | NW 6 | — | — | N 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 2 | — | — | — | — | 4 | — | 1 | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 84 | 85 | 83 | 83 | 83 | 83 | 83 | 83 | 85 | 83 | 83 | 83 | 83 |
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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