Tawharanui Surf Break

Lat Long: 36.37° S 174.84° E

Tawharanui Surf Forecast and Surf Report

Issued: 5 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tawharanui sea temperature is
14.2°C
0.3° 

Tawharanui surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Tawharanui surf forecast from 1 Sep 2026:

  • Best quality surf: Saturday 5 Sep, 12AM (local time) - 2.5ft (0.7m), 6s period, N swell with offshore winds.
  • Most powerful swell: Monday 7 Sep, 3AM (local time) - 6.5ft (2.0m), 8s period, NNW swell with 477 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 12AM (local time) - 2.5ft (0.7m), 6s period with N swell.

Best Forecast Surf Conditions for Tawharanui this week:

The surf forecast for Tawharanui over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 12AM. The primary swell is predicted to be 0.7m and 6s period with a secondary swell of 0.2m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tawharanui in the next 16 days are 2.0m 8s and forecast to arrive on Monday (Sep 07) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 4s period and expected on Monday (Sep 07) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 5th Sep)2.5ft (0.7m) 6s
Best Surf12AM (Sat 5th Sep)2.5ft (0.7m) 6s
Most Powerful 3AM (Mon 7th Sep)6.5ft (2.0m) 8s

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


The Lowdown

Alright, Rusty here. Let’s have a look at the next couple of weeks for Tawharanui.

Honestly mate, it’s a pretty quiet stretch. The whole 16-day window is filled with tiny, weak swell and mostly cross-off winds. There’s no proper standout session, nothing to get the heart racing. You’re looking at a lot of days where the waves are just too small to really bother with.

The water’s sitting at 58°, which is about what you’d expect for this time of year—nothing unusual.

For Wednesday morning, September 2nd, we’ve got a tiny 1ft NE swell with a 9-second period, but the energy reading is a weak 13, and the west wind is blowing cross-off. It’s clean, but it’s tiny. That theme carries on for days. Thursday and Friday are more of the same: little 0.7ft to 3ft bumps, short period, and moderate breezes. The wave quality is poor across the board.

We do see a bit of a pulse on Monday, September 7th, with a 5ft N swell and a 7-second period. The combined energy jumps to 256, which is moderate, and the wind is cross-off from the WNW at 22 mph, keeping things clean. But with that short period and the size getting up to 5ft, it’s messy and not well-shaped for this beach-and-reef setup. It’s still a no-go for a recommendation.

The next slight bump comes Friday, September 11th, with a 6ft NNW swell and a 6-second period. That’s a strong offshore breeze from the WSW at 25 mph, making it look clean but hard to paddle into. The energy’s up there at 489, but the quality’s still rated poor. The swell direction is NNW, while this spot really prefers NE, so it’s not doing Tawharanui any favours.

After that, it’s back to tiny 0.7ft and 1ft swells with long periods of 12 to 14 seconds. Clean conditions pop up here and there, like on Saturday afternoon, September 12th, with a 4ft SE swell and an 8-second period, light offshore wind. The wave comment finally says “surfable waves but very ordinary conditions” and it only scores a 1. It’s the best on offer, but that’s a low bar.

For the rest of the second week, it’s all small, long-period ENE and NNE swells with clean but weak conditions. Nothing worth planning a day around.

So, if I’m being straight with you—and I always am—the best on offer is that Saturday afternoon, September 12th, at Tawharanui. It’s a 4ft swell from the SE, period of 8 seconds, light offshore wind from the WSW. The combined energy is 194, so there’s some push, and it’s clean. It’s still very ordinary, but if you’re desperate for a paddle, that’s your window. Don’t expect much.

Stay keen, but keep your expectations low for this run.

Rusty

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 17°C on Thu afternoon, min 12°C on Fri night). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Sun night. Very mild (max 17°C on Sun afternoon, min 11°C on Sat night). Winds increasing (light winds from the WNW on Sat night, strong winds from the SW by Mon afternoon).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
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)
0.3
NE
9
0.3
NE
8
0.2
ENE
9
0.2
ENE
10
0.2
ENE
10
0.6
NNW
5
0.8
NNW
5
0.6
NNW
5
0.7
N
6
0.4
NNW
5
0.3
N
5
0.2
ENE
10
0.2
ENE
10
1.3
N
5
2.2
NNW
7
1.5
N
7
0.9
NNW
8
0.6
N
8
0.4
N
7
0.3
N
7
0.2
N
6
Wave Graph
Metric surfscale
Energy kJ
13
11
7
9
10
18
28
21
39
10
5
10
9
88
457
251
109
41
15
8
4
Wind (km/h)
20
W
25
WSW
15
WNW
20
WNW
20
W
20
NW
25
NW
30
WNW
15
WSW
10
WSW
20
WSW
10
WNW
20
NNW
30
N
35
NW
35
WNW
40
WSW
15
SSW
20
WSW
25
WSW
15
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
off
off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
off
cross-off
off
off
High Tide
10:30AM2.54m
10:53PM2.55m
11:17AM2.51m
11:41PM2.49m
12:07PM2.47m
00:34AM2.43m
1:04PM2.42m
1:32AM2.37m
2:09PM2.39m
2:37AM2.34m
3:21PM2.41m
3:47AM2.37m
4:28PM2.49m
Low Tide
4:44PM0.63m
5:15AM0.55m
5:36PM0.69m
6:05AM0.58m
6:35PM0.76m
7:00AM0.62m
7:39PM0.80m
8:01AM0.66m
8:45PM0.81m
9:06AM0.68m
9:51PM0.78m
10:15AM0.65m
10:56PM0.71m
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
rain showers
clear
clear
clear
clear
cloud
rain showers
rain showers
thunderstorm
clear
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
6:37
6:35
6:33
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:01
6:02
6:04
6:04
6:05
 mm
2
1
3
1
Temp °C
15
16
14
16
17
14
16
15
14
15
15
12
15
17
16
15
15
12
14
14
12
Feels °C
9
11
11
12
13
11
11
10
12
12
10
10
11
13
11
9
8
6
9
8
8
  • 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 Tawharanui Surf forecast

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

Tawharanui is 48 km (30 miles) from the city of Northshore. If you plan a holiday in Northland, look for hotels and other accommodation in Northshore. Northshore has rooms for a wide range of budgets as well as car hire and transport links.

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