Tahunanui Beach surfForecast / Nelson – Tasman Bay / New Zealand

information circle16 Day Weather and Surf, issued 11 am Saturday 09 May 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Tahunanui Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tahunanui Beach sea temperature is
16.1° C
(Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Tahunanui Beach this week:

The surf forecast for Tahunanui Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 09) at 9PM. The primary swell is predicted to be 1.0m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tahunanui Beach in the next 16 days are 1.0m 11s and forecast to arrive on Saturday (May 09) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Monday (May 11) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sat 9th May)3.5ft (1.0m) 11s
Best Surf 9PM (Sat 9th May)3.5ft (1.0m) 11s
Most Powerful 9PM (Sat 9th May)3.5ft (1.0m) 11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Sun morning, min 6°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 15°C on Tue afternoon, min 7°C on Thu night). Wind will be generally light.

Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
N
10
1.3
N
10
0.5
NNW
12
0.5
N
7
0.4
NNW
7
0.2
NNW
12
0.2
NNW
14
0.3
ENE
4
0.1
N
8
0.1
N
7
0.1
N
15
0.2
N
6
0.2
N
5
0.1
NW
21
0.1
NW
19
0.1
NW
17
0.1
NW
16
0.1
N
15
0.1
N
14
Wave Graph
Metric surfscale
Energy kJ
761
347
82
28
21
14
20
3
1
1
4
2
2
0
0
0
0
4
4
0
0
Wind (km/h)
10
WSW
15
WSW
20
WSW
15
WSW
20
SW
10
ESE
5
SE
10
NNW
5
SW
5
WSW
5
NNW
10
S
5
SSE
5
N
5
S
5
SSE
5
N
5
S
5
S
5
N
10
S
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
on
cross-off
cross-off
glassy
off
glassy
on
off
glassy
on
off
glassy
glassy
off
High Tide
2:48PM3.17m
3:01AM3.18m
3:56PM3.12m
4:18AM3.17m
5:04PM3.16m
5:31AM3.32m
6:09PM3.30m
6:30AM3.54m
7:08PM3.52m
7:20AM3.78m
8:02PM3.79m
8:07AM3.99m
8:51PM4.06m
Low Tide
8:49PM1.43m
9:15AM1.57m
9:53PM1.47m
10:36AM1.53m
11:07PM1.43m
11:48AM1.36m
00:16AM1.27m
12:43PM1.11m
1:12AM1.04m
1:30PM0.87m
2:00AM0.78m
2:14PM0.67m
2:45AM0.55m
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:22
7:22
7:24
7:24
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:23
5:22
5:22
5:21
5:20
5:19
5:17
Temp °C
16
15
13
17
17
11
11
10
10
13
15
11
12
12
10
13
14
10
12
13
9
14
12
8
12
13
9
8
7
8
11
13
9
10
10
9
12
12
9
10
11
6
Swell 1
Height (m)
Direction
Period (s)
1.3
N
10
0.7
N
8
0.5
N
7
0.4
NNW
7
0.2
NNW
4
0.4
ENE
4
0.1
NW
14
0.2
NNW
5
0.2
N
6
0.2
N
5
0.1
NW
17
0.1
NW
16
0.2
ENE
4
Energy kJ
347
58
28
17
2
5
8
2
2
2
12
10
2
Swell 2
Height (m)
Direction
Period (s)
0.1
NW
16
0.5
NNW
12
0.2
NNW
11
0.2
NNW
10
0.2
NNW
12
0.2
NNW
14
0.1
N
8
0.1
NW
15
0.1
NW
15
0.1
N
15
0.2
ENE
4
0.1
NW
21
0.1
NW
19
0.1
N
15
0.1
N
14
Energy kJ
10
82
11
9
14
20
1
8
9
4
1
18
14
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
16
0.2
NNW
14
0.1
N
7
0.1
E
7
0.1
N
8
0.1
N
7
Energy kJ
10
21
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
2
N
10
0.3
W
2
0.2
WSW
2
0.4
ESE
3
0.3
ENE
4
Energy kJ
761
1
1
4
3
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
2
2
4
4
4
2
2
2
3
4
3
3
3
3
2
2
2
2
Distance (km)
2
2
101
101
130
98
100
100
69
69
95
97
97
95
69
95
100
95
95
97
95
Best forecast wave conditions in Nelson - Tasman Bay
Rating
(10 max)
3
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
4
4
4
3
5
9
4
4
4
4
9
9
4
4
6
5
4
4
4
2
Header Global
Rating
(10 max)
5
4
5
4
4
9
9
5
4
5
9
9
9
5
6
6
5
5
5
4
5
  • 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 Beach Surf forecast

The above surf forecast table for Tahunanui Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tahunanui Beach can be found by selecting the local surf guide option on the grey menu. Our Tahunanui Beach 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 Beach) 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 Beach 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.

Are you planning a holiday in Nelson - Tasman Bay? If you are looking for accommodation near Tahunanui, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 3 km (2 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 65 km (40 miles) away

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