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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 pm Sunday 10 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 5AM is: 0.4m 3s primary swell from a East direction (forecast issued at 11:00pm May 10). An open ocean swell of 0.5m 4s is not directed at the surf break, a second open ocean swell of 0.2m 14s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 1.5ft (0.4m) | 4s |
| Afternoon (11 May) | 1.5ft (0.4m) | 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. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
N 7 | ESE 3 | E 3 | E 3 | E 4 | NE 4 | NE 4 | NE 4 | NE 4 | N 8 | N 7 | N 7 | N 7 | NW 15 | NW 15 | N 15 | N 5 | N 5 | N 5 | N 5 | — | NW 22 | NW 21 | NW 20 | |
4 | 3 | 4 | 6 | 4 | 3 | 4 | 4 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 4 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | off | off | off | glassy | glassy | glassy | on | off | off | off | off | glassy | glassy | glassy | glassy | |
High Tide | 4:35AM3.18m | 5:21PM3.17m | 5:48AM3.32m | 6:26PM3.30m | 6:47AM3.53m | |||||||||||||||||||
Low Tide | 10:00PM1.58m | 10:43AM1.64m | 11:14PM1.54m | 11:55AM1.47m | 00:23AM1.39m | 12:50PM1.24m | ||||||||||||||||||
 | |  | |  | |  | | | | | |  | | | | | | | | | | | | |
 | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — |
 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 10 | 10 | 12 | 11 | 10 | 9 | 7 | 7 | 6 | 9 | 14 | 15 | 11 | 9 | 9 | 8 | 8 | 9 | 13 | 13 | 11 |
8 | 8 | 9 | 9 | 8 | 10 | 9 | 8 | 7 | 5 | 5 | 4 | 7 | 13 | 13 | 9 | 7 | 7 | 6 | 6 | 7 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | NNW 5 | E 3 | NNW 15 | E 4 | NNW 14 | NE 4 | NW 14 | NW 14 | NE 4 | ENE 4 | — | NW 15 | NW 4 | NNW 5 | NNW 5 | NW 4 | N 5 | ENE 4 | ENE 4 | N 5 | — | ENE 4 | ENE 4 | ENE 4 |
 kJ | 4 | 1 | 21 | 7 | 20 | 3 | 8 | 8 | 2 | 1 | — | 8 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | — | 2 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | NNW 5 | ENE 6 | NNW 14 | E 6 | NNW 14 | N 8 | N 8 | NW 14 | NW 15 | NW 15 | — | NW 15 | NW 15 | NW 15 | N 5 | — | N 5 | N 5 | NE 4 | — | — | NW 21 | NW 20 |
| kJ | 14 | 2 | 3 | 21 | 1 | 20 | 1 | 1 | 8 | 8 | 8 | — | 8 | 8 | 8 | 1 | — | 2 | 2 | 1 | — | — | 18 | 15 |
Swell 3 Height (m) Direction Period (s) | N 7 | NNW 12 | NNW 7 | ENE 6 | — | NW 8 | — | — | N 8 | N 8 | N 7 | N 7 | N 7 | — | — | N 15 | — | — | — | — | — | NW 22 | — | — |
| kJ | 4 | 14 | 4 | 4 | — | 3 | — | — | 1 | 1 | 1 | 1 | 1 | — | — | 4 | — | — | — | — | — | 18 | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 3 | E 3 | E 3 | E 4 | E 3 | NE 4 | NE 4 | — | — | — | — | — | — | — | NE 2 | ENE 3 | E 3 | — | — | — | — | — | — |
| kJ | — | 3 | 4 | 6 | 4 | 1 | 4 | 4 | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 137 | 86 | 88 | 88 | 88 | 133 | 38 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 86 | 83 | 83 | 83 | 83 | 83 | 83 | 84 | 83 | 83 |
Best forecast wave conditions in Nelson - Tasman Bay | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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