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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 11 am Monday 11 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
16.1° 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 2PM is: 0.3m 4s primary swell from a Northeast direction (forecast issued at 11:00am May 11). An open ocean swell of 0.1m 14s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | - | - |
| Afternoon (11 May) | 1ft (0.3m) | 4s |
| Evening (11 May) | 1ft (0.3m) | 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 15°C on Tue afternoon, min 6°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 14 | NNW 14 | NE 4 | NE 4 | NE 4 | NNE 4 | N 7 | N 7 | N 7 | NW 15 | NW 15 | N 15 | N 3 | ENE 3 | NE 4 | N 5 | — | NW 22 | NW 21 | NE 4 | NE 4 | NW 19 | NE 4 | NE 4 | |
0 | 0 | 3 | 4 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 4 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | glassy | glassy | off | off | off | glassy | glassy | glassy | on | glassy | off | off | off | glassy | glassy | glassy | glassy | glassy | off | off | off | |
High Tide | 5:21PM3.17m | 5:48AM3.32m | 6:26PM3.30m | 6:47AM3.53m | 7:25PM3.51m | |||||||||||||||||||
Low Tide | 10:43AM1.64m | 11:14PM1.54m | 11:55AM1.47m | 00:23AM1.39m | 12:50PM1.24m | 1:19AM1.17m | ||||||||||||||||||
 | |  |  | |  | | |  | | | | | | | | | | | | | | | | |
 | 7:24 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 |
 | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | 5:20 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 12 | 11 | 10 | 9 | 8 | 6 | 6 | 8 | 14 | 15 | 11 | 9 | 8 | 8 | 8 | 9 | 12 | 13 | 11 | 10 | 9 | 9 | 9 |
9 | 10 | 9 | 8 | 7 | 6 | 3 | 4 | 6 | 13 | 13 | 9 | 7 | 6 | 6 | 6 | 7 | 11 | 11 | 10 | 9 | 7 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | ENE 3 | ENE 4 | NW 14 | NW 14 | NE 4 | NNE 4 | — | — | NW 4 | NNW 4 | NNW 4 | NNW 4 | ENE 2 | ENE 3 | NE 4 | NE 4 | — | ENE 4 | ENE 4 | NE 4 | NE 4 | ENE 4 | NE 4 | NE 4 |
 kJ | 2 | 2 | 8 | 8 | 2 | 1 | — | — | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | — | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | NNW 14 | NNW 14 | NW 8 | NW 8 | NW 14 | NW 15 | NW 15 | NW 15 | NW 15 | NW 15 | NW 15 | N 15 | N 3 | — | — | N 5 | — | NW 22 | NW 21 | NW 20 | NW 19 | NW 19 | NW 18 | NW 18 |
| kJ | 20 | 20 | 2 | 3 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 4 | 1 | — | — | 1 | — | 18 | 18 | 15 | 15 | 14 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | E 6 | NW 8 | — | — | N 8 | N 8 | N 7 | N 7 | N 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NE 4 | NE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 88 | 88 | 88 | 133 | 88 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 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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