Tahunanui bar surf break

Tahunanui bar surfForecast / Nelson – Tasman Bay / New Zealand

information circle16 Day Weather and Surf, issued 11 pm Friday 10 Apr 2026 NZST
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
18.7° C
(Which is 2.8°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 13) at 9AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.4m and 4s. Another secondary swell of 0.3m and 13s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Tahunanui bar in the next 16 days are 2.3m 8s and forecast to arrive on Saturday (Apr 18) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Tuesday (Apr 14) at 6PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Mon 13th Apr)3ft (0.9m) 5s
Best Surf 6AM (Tue 14th Apr)5ft (1.6m) 8s
Most Powerful 6AM (Sat 18th Apr)7.5ft (2.3m) 8s

Table - best surf conditions forecast for Tahunanui bar over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 14mm), heaviest on Sun morning. Very mild (max 19°C on Sat morning, min 11°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Mon night. Very mild (max 17°C on Thu morning, min 10°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the NNW by Tue afternoon).

Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Fri
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
1
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
N
0.2
N
0.2
N
0.2
N
0.2
N
0.2
N
0.2
N
0.9
NW
0.7
NNW
0.9
N
0.9
N
1.1
NNW
1
N
0.8
N
0.5
NNW
0.7
NNW
0.2
NNW
0.5
NNW
0.2
NNW
0.4
NNW
0.6
NNW
Period(s) (?)1413131314131451478778128128765
Wave
Graph
(?)Metric surfscale
Energy kJ (?)34141413151316451987998132112818360133251121
Wind
(km/h)
10
S
5
SW
10
NNE
10
S
15
SW
10
S
15
SW
5
NW
5
NNE
5
W
10
W
30
NNW
5
S
5
WSW
25
W
25
WSW
15
W
25
W
10
SW
5
WSW
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
on
offcross-
off
offcross-
off
glasscross-
on
cross-
off
crossonglasscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
on
High Tide
/ height (m)
3:23AM
2.97
4:35PM
2.99
5:08AM
2.94
5:51PM
3.08
6:33AM
3.16
6:55PM
3.25
7:26AM
3.47
7:49PM
3.49
8:07AM
3.78
8:37PM
3.76
8:46AM
4.04
9:21PM
4.02
9:25AM
4.23
Low Tide
/ height (m)
9:16PM
1.60
9:55AM
1.73
10:34PM
1.62
11:30AM
1.67
11:59PM
1.49
12:41PM
1.45
1:04AM
1.24
1:32PM
1.16
1:54AM
0.96
2:13PM
0.85
2:35AM
0.70
2:51PM
0.58
3:15AM
0.47
3:28PM
0.40
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Fri
17
Sunrise-6:52--6:52--6:54--6:54--6:56--6:56--6:58-
Sunset--6:02--6:00--5:59--5:58--5:55--5:54--5:52
clear
clear
part cloud
cloud
mod rain
light rain
clear
cloud
light rain
rain showers
clear
light rain
rain showers
rain showers
clear
rain showers
part cloud
part cloud
part cloud
clear
part cloud
Rain (mm)
----73--43-131-1-----
Temp. °C141918161618171716141616111616131717141518
Feels °C (?)12171614161816161614141081110101212121317
  • 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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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 16 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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