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Surf Forecasts:
Tahunanui bar surfForecast / Nelson – Tasman Bay / New Zealand
48hr Weather and Surf, issued 12 am Wednesday 17 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Tahunanui bar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tahunanui bar sea temperature is
19.5° C
(Which is 4.0°C warmer than normal for this time of year)How big are the waves at Tahunanui bar today?
The current surf forecast for Tahunanui bar at 5AM is: 0.6m 7s primary swell from a North direction (forecast issued at 12:00am December 17). An open ocean swell of 0.4m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1.5ft (0.5m) | 7s |
| Afternoon (17 Dec) | 2ft (0.6m) | 15s |
| Evening (17 Dec) | 0.5ft (0.2m) | 14s |
Table - waves today at Tahunanui bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 15 | 15 | 14 | 14 | 4 | 4 | 4 | 12 | 3 | 6 | 5 | 12 | 12 | 12 | 16 | 5 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 112 | 71 | 51 | 36 | 24 | 14 | 157 | 42 | 21 | 20 | 10 | 7 | 3 | 3 | 2 | 17 | 7 | 4 | 4 | 4 | 5 | 23 | 58 | 62 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | on | cross- on | cross | cross- on | glass | cross- off | cross- off | on | cross- on | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- off |
High Tide / height (m) | 8:16PM 3.48 | 8:52AM 3.54 | 9:01PM 3.51 | 9:41AM 3.72 | 9:43PM 3.55 | 10:21AM 3.87 | ||||||||||||||||||
Low Tide / height (m) | 2:27AM 1.31 | 2:54PM 1.32 | 3:08AM 1.25 | 3:35PM 1.25 | 3:48AM 1.19 | 4:11PM 1.17 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:55 | - | - | - | - | - | - | - | 8:57 | - | - | - | - | - | - | - | 8:58 |
 | |  |  |  |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 10 | 11 | 10 | 15 | 18 | 15 | 14 | 13 | 14 | 13 | 12 | 16 | 18 | 17 | 17 | 16 | 15 | 14 | 14 | 17 | 19 | 21 | 17 |
| Feels °C (?) | 10 | 6 | 7 | 6 | 10 | 15 | 10 | 11 | 11 | 13 | 13 | 11 | 14 | 14 | 15 | 16 | 14 | 12 | 11 | 10 | 14 | 16 | 19 | 16 |
- Map Icons:
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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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