Tahunanui bar surf break

Tahunanui bar surfForecast / Nelson – Tasman Bay / New Zealand

information circle12 Day Weather and Surf, issued 6 am Sunday 14 Dec 2025 NZDT
Forecast 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
20.2° C
(Which is 4.8°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Tahunanui bar this week:

The surf forecast for Tahunanui bar over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 16) at 1PM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.1m and 18s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Tahunanui bar in the next 12 days are 3.0m 8s and forecast to arrive on Tuesday (Dec 16) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Tuesday (Dec 16) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Tue 16th Dec)5ft (1.5m) 8s
Best Surf 1PM (Tue 16th Dec)5ft (1.5m) 8s
Most Powerful10AM (Tue 16th Dec)10ft (3.0m) 8s

Table - best surf conditions forecast for Tahunanui bar over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 15mm), heaviest on Tue morning. Warm (max 20°C on Tue afternoon, min 10°C on Tue night). Mainly strong winds.

Days 3-6 Weather Summary Some drizzle, heaviest during Fri night. Warm (max 22°C on Fri afternoon, min 11°C on Wed night). Wind will be generally light.

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
N
0.1
N
0.1
N
0.5
N
1.3
N
1.7
N
3
NNW
2
NNW
0.8
N
0.5
N
0.3
NNW
0.2
NNW
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.4
NNW
0.4
N
0.2
NNW
Period(s) (?)1414144678887151491212111615544
Wave
Graph
(?)Metric surfscale
Energy kJ (?)164410105263131852772244421233254742
Wind
(km/h)
5
NNE
20
NNE
5
S
5
N
35
N
30
N
15
NNE
10
NW
10
SW
15
WSW
15
N
10
S
5
WNW
15
NNE
5
S
15
WSW
10
WNW
0
SE
20
WSW
25
NNE
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
glassglassononcross-
on
cross-
on
cross-
off
cross-
off
onoffglassonoffcross-
off
crossglasscross-
off
onglass
High Tide
/ height (m)
6:33PM
3.42
6:52AM
3.34
7:28PM
3.45
7:54AM
3.40
8:16PM
3.48
8:52AM
3.54
9:01PM
3.51
9:41AM
3.72
9:43PM
3.55
10:21AM
3.87
10:24PM
3.60
10:57AM
3.97
11:04PM
3.67
Low Tide
/ height (m)
12:13PM
1.47
12:53AM
1.42
1:16PM
1.44
1:43AM
1.38
2:09PM
1.39
2:27AM
1.31
2:54PM
1.32
3:08AM
1.25
3:35PM
1.25
3:48AM
1.19
4:11PM
1.17
4:29AM
1.13
4:45PM
1.09
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise5:47--5:48--5:48--5:48--5:48--5:48--5:48--
Sunset-8:53--8:54--8:55--8:55--8:57--8:58--8:58-
part cloud
clear
part cloud
part cloud
part cloud
mod rain
mod rain
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
rain showers
part cloud
part cloud
clear
Rain (mm)
-----69----------1---
Temp. °C171815181918172014181814181715202216191512
Feels °C (?)151515131315151711141412151414181915141010
  • 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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Information about the Tahunanui bar Surf forecast

The above surf forecast table for Tahunanui bar provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Tahunanui bar can be found by selecting the local surf guide option on the grey menu. Our Tahunanui bar surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Tahunanui bar) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Tahunanui bar may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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