Tahunanui bar surf break

Tahunanui bar surfForecast / Nelson – Tasman Bay / New Zealand

information circle12 Day Weather and Surf, issued 12 am Thursday 25 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
18.6° C
(Which is 2.6°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 Friday (Dec 26) at 10PM. The primary swell is predicted to be 0.9m and 6s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tahunanui bar in the next 12 days are 1.6m 6s and forecast to arrive on Friday (Dec 26) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Dec 29) at 1PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Fri 26th Dec)3ft (0.9m) 6s
Best Surf10PM (Fri 26th Dec)3ft (0.9m) 6s
Most Powerful 4AM (Fri 26th Dec)5ft (1.6m) 6s

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 10mm), heaviest on Thu night. Warm (max 20°C on Thu afternoon, min 11°C on Fri night). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Sat morning).

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Tue afternoon. Very mild (max 18°C on Sun afternoon, min 11°C on Sat night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wed
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
NNW
0.9
NW
1.4
NNW
1.4
NNW
1
N
1.4
NNW
0.7
N
0.5
N
0.7
NNW
0.6
N
0.3
N
0.3
N
0.2
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
Period(s) (?)56567566446661313131212141615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2147102122861093920171377343333454
Wind
(km/h)
20
SW
5
NNW
20
N
25
NNW
10
NNW
20
NNW
10
SSW
5
WNW
15
NNE
10
S
5
NNW
15
N
20
SSW
10
S
15
SSE
10
SSE
10
SSE
10
SW
10
S
5
S
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
ononcross-
on
cross-
on
cross-
off
glasscross-
on
offglassoncross-
off
offcross-
off
offcross-
off
cross-
off
offglasson
High Tide
/ height (m)
1:47AM
3.66
2:01PM
3.88
2:32AM
3.58
2:45PM
3.82
3:20AM
3.51
3:33PM
3.76
4:11AM
3.47
4:27PM
3.69
5:06AM
3.47
5:28PM
3.65
6:08AM
3.50
6:32PM
3.67
7:22AM
3.59
Low Tide
/ height (m)
7:50AM
0.90
8:00PM
1.04
8:28AM
0.97
8:48PM
1.08
9:12AM
1.08
9:41PM
1.11
10:05AM
1.20
10:38PM
1.14
11:15AM
1.27
11:41PM
1.15
12:31PM
1.22
12:47AM
1.12
1:37PM
1.08
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wed
31
Sunrise-5:50--5:52--5:52--5:52--5:54--5:54--5:56-
Sunset--9:00--9:00--9:00--9:01--9:01--9:01--9:01
clear
part cloud
part cloud
rain showers
light rain
rain showers
clear
clear
clear
clear
part cloud
cloud
mod rain
light rain
cloud
cloud
light rain
mod rain
cloud
part cloud
cloud
Rain (mm)
---721------61--29---
Temp. °C151920171919141717141718151518151312121716
Feels °C (?)111718131515111313121415151415111110101514
  • 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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