Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Ruby Bay surfForecast / Nelson – Tasman Bay / New Zealand
48hr Weather and Surf, issued 12 pm Thursday 01 Jan 2026 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
19.1° C
(Which is 2.7°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 4PM is: 0.1m 16s primary swell from a North direction and 0.1m 12s secondary swell from a North direction (forecast issued at 12:00pm January 01). An open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jan) | 5ft (1.6m) | 8s |
| Afternoon (01 Jan) | 0.5ft (0.1m) | 16s |
| Evening (01 Jan) | 0.5ft (0.1m) | 16s |
Table - waves today at Ruby Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 16 | 16 | 6 | 8 | 7 | 15 | 7 | 7 | 14 | 7 | 5 | 6 | 13 | 6 | 13 | 13 | 4 | 4 | 4 | 4 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 298 | 213 | 5 | 5 | 52 | 5 | 10 | 4 | 4 | 14 | 4 | 4 | 7 | 7 | 3 | 2 | 3 | 3 | 12 | 29 | 16 | 11 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | off | off | glass | glass | off | glass | on | on | on | glass | glass | glass | glass | glass | glass | cross- on | on | glass | glass | glass | glass |
High Tide / height (m) | ||||||||||||||||||||||||
Low Tide / height (m) | ||||||||||||||||||||||||
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 6:00 |
| Sunset | - | - | - | 9:02 | - | - | - | - | - | - | - | 9:02 | - | - | - | - | - | - | - | 9:02 | - | - | - | - |
 | |  | |  | | |  | | | | |  | | | |  | | | |  | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 20 | 20 | 15 | 14 | 13 | 13 | 18 | 19 | 19 | 18 | 16 | 16 | 14 | 14 | 16 | 17 | 18 | 17 | 15 | 14 | 14 | 14 |
| Feels °C (?) | 17 | 18 | 20 | 20 | 14 | 14 | 12 | 12 | 18 | 17 | 17 | 17 | 16 | 16 | 14 | 14 | 15 | 17 | 17 | 16 | 14 | 14 | 14 | 13 |
- 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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