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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 12 am Thursday 04 Dec 2025 NZDTForecast 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
18.7° C
(Which is 3.7°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 2AM is: 0.3m 7s primary swell from a North direction and 0.2m 8s secondary swell from a North direction (forecast issued at 12:00am December 04). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 1ft (0.3m) | 7s |
| Afternoon (04 Dec) | 0.5ft (0.1m) | 14s |
| Evening (04 Dec) | 0.5ft (0.1m) | 20s |
Table - waves today at Ruby Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 7 | 7 | 7 | 7 | 7 | 14 | 3 | 20 | 9 | 18 | 18 | 18 | 18 | 19 | 16 | 16 | 16 | 16 | 16 | 5 | 5 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5 | 8 | 9 | 8 | 4 | 9 | 4 | 5 | 7 | 2 | 6 | 25 | 25 | 24 | 7 | 20 | 20 | 20 | 20 | 20 | 31 | 56 | 17 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | glass | on | on | on | glass | off | off | off | off | glass | cross- off | cross- off | off | off | off | glass | glass | cross | cross- off | off |
High Tide / height (m) | 9:21PM 4.02 | 10:11AM 4.13 | 10:15PM 4.14 | 11:01AM 4.30 | 11:08PM 4.18 | 11:49AM 4.38 | ||||||||||||||||||
Low Tide / height (m) | 3:21AM 0.83 | 3:54PM 0.69 | 4:13AM 0.76 | 4:43PM 0.61 | 5:07AM 0.74 | 5:32PM 0.62 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:46 | - | - | - | - | - | - | - | 8:47 |
 |  |  |  | | |  | | | | | | | |  | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 8 | 9 | 16 | 18 | 18 | 16 | 12 | 11 | 10 | 11 | 19 | 24 | 26 | 24 | 17 | 15 | 13 | 15 | 21 | 24 | 26 | 23 |
| Feels °C (?) | 8 | 7 | 5 | 6 | 14 | 14 | 15 | 14 | 11 | 10 | 8 | 9 | 17 | 23 | 25 | 22 | 16 | 14 | 12 | 14 | 21 | 23 | 24 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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