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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 5 am Thursday 21 May 2026 NZSTForecast 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
14.7° C
(Which is normal for this time of year)How big are the waves at Tahunanui bar today?
The current surf forecast for Tahunanui bar at 10AM is: 1.6m 6s primary swell from a North-northwest direction and 1.1m 6s secondary swell from a North direction (forecast issued at 05:00am May 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 5ft (1.5m) | 6s |
| Afternoon (21 May) | 4ft (1.2m) | 7s |
| Evening (21 May) | 4.5ft (1.3m) | 7s |
Table - waves today at Tahunanui bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sat morning, min 10°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 4 | NNW 5 | NNW 6 | NNW 7 | N 7 | NNW 7 | NNW 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 5 | N 5 | N 9 | N 7 | N 6 | N 11 | N 11 | |
15 | 48 | 175 | 268 | 127 | 195 | 145 | 73 | 43 | 42 | 29 | 28 | 19 | 19 | 19 | 20 | 22 | 14 | 8 | 6 | 14 | 13 | 9 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | off | off | glassy | glassy | glassy | on | glassy | glassy | glassy | off | glassy | glassy | on | on | glassy | cross-off | cross-off | |
High Tide | 00:42AM4.16m | 1:09PM3.81m | 1:34AM3.93m | 2:10PM3.61m | 2:33AM3.70m | 3:15PM3.47m | ||||||||||||||||||
Low Tide | 6:47AM0.78m | 7:16PM0.87m | 7:50AM0.99m | 8:10PM1.06m | 8:59AM1.14m | 9:10PM1.24m | ||||||||||||||||||
 | |  | | | | | | |  |  | | | | | | |  |  | | | | | | |
 | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | 7:35 |
 | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:12 | — | — | — | — | — | — | — | 5:10 | — | — | 5:10 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 10 | 12 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 15 | 14 | 14 | 13 | 13 |
7 | 6 | 8 | 11 | 14 | 13 | 11 | 11 | 10 | 11 | 11 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 11 | 14 | 13 | 14 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | N 4 | N 5 | N 6 | N 7 | N 15 | N 7 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 7 | N 5 | N 5 | N 5 | N 7 | N 6 | N 6 | N 5 |
 kJ | 9 | 25 | 71 | 124 | 4 | 107 | 88 | 73 | 43 | 42 | 29 | 28 | 19 | 19 | 19 | 20 | 22 | 14 | 8 | 5 | 14 | 13 | 6 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 16 | — | N 14 | N 14 | NNW 14 | NNW 13 | NNW 12 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | N 7 | N 9 | N 9 | N 9 | N 11 | N 11 | ENE 3 |
| kJ | — | — | — | 5 | — | 4 | 4 | 19 | 16 | 14 | 12 | 12 | 10 | 10 | 9 | 9 | 8 | 4 | 7 | 6 | 6 | 10 | 9 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 12 | — | — | — | — | — | — | N 16 | NW 17 | N 18 | N 16 | N 9 | N 8 | N 7 | N 12 | — | — | N 11 |
| kJ | — | — | — | — | — | — | 3 | — | — | — | — | — | — | 5 | 12 | 6 | 5 | 7 | 4 | 4 | 3 | — | — | 9 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 5 | NNW 6 | NNW 7 | N 7 | NNW 7 | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | ENE 3 | — |
| kJ | 15 | 48 | 175 | 268 | 127 | 195 | 145 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 96 | 95 | 22 | 22 | 21 | 21 | 21 | 21 | 96 | 96 | 96 | 96 |
Best forecast wave conditions in Nelson - Tasman Bay | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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