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Tahunanui bar Surf Forecast
/ Nelson – Tasman Bay (18 surf breaks) /
Surf Forecasts:
Tahunanui bar surfForecast / Nelson – Tasman Bay / New Zealand
48hr Weather and Surf, issued 11 pm Thursday 18 Sep 2025 NZST
How big are the waves at Tahunanui bar today?
The current surf forecast for Tahunanui bar at 1AM is: 0.7m 8s primary swell from a North direction and 0.3m 11s secondary swell from a North-northwest direction (forecast issued at 11:00pm September 18). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 1.5ft (0.5m) | 8s |
| Afternoon (19 Sep) | 1ft (0.3m) | 14s |
| Evening (19 Sep) | 0.5ft (0.2m) | 13s |
Table - waves today at Tahunanui bar. (Swell directed towards the surf break)
Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 14 | 13 | 13 | 13 | 12 | 7 | 7 | 6 | 4 | 4 | 4 | 6 | 7 | 8 | 9 | 9 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 84 | 63 | 43 | 31 | 30 | 18 | 36 | 18 | 17 | 17 | 15 | 5 | 4 | 4 | 10 | 11 | 17 | 80 | 232 | 541 | 951 | 1212 | 1730 | 1509 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | glass | on | on | cross- on | glass | glass | cross- off | cross- off | glass | on | on | on | on | cross- on | cross- on | on | on | on | on | on |
High Tide / height (m) | 7:51PM 3.54 | 7:57AM 3.42 | 8:34PM 3.78 | 8:44AM 3.64 | 9:10PM 3.96 | 9:24AM 3.83 | ||||||||||||||||||
Low Tide / height (m) | 1:52AM 1.03 | 2:15PM 1.13 | 2:35AM 0.82 | 2:58PM 0.90 | 3:12AM 0.67 | 3:33PM 0.72 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:22 |
 |  |  |  |  |  | |  | | | | | | | | | | | | |  | |  | | |
Rain (mm) | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 6 | 7 |
| Temp. °C | 9 | 8 | 7 | 8 | 8 | 10 | 9 | 9 | 9 | 7 | 6 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 12 | 13 | 13 | 13 | 13 |
| Feels °C (?) | 6 | 3 | 4 | 7 | 6 | 6 | 6 | 6 | 8 | 5 | 4 | 2 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 5 | 5 | 6 | 6 | 8 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Nelson - Tasman Bay
The wind is still cross-off at Tahunanui bar (light winds from the SSE at NelsonAeroAws 5 km from Tahunanui bar). 1.3m 8s swell from the N with a 0.4m 10s swell from the NNW. 2 swells combining to make bigger set waves.
1 h 20 min ago
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