Tawharanui Surf Break

Lat Long: 36.37° S 174.84° E

Tawharanui Surf Forecast and Surf Report

Issued: 5 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tawharanui sea temperature is
14.5° C
0.2° 

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


Tawharanui surf forecast from 12 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 6AM (local time) - 4.5ft (1.3m), 7s period, NE swell with glassy winds.
  • Most powerful swell: Thursday 13 Aug, 3AM (local time) - 4.5ft (1.4m), 7s period, NE swell with 211 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 6AM (local time) - 4.5ft (1.3m), 7s period with NE 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 Thursday (Aug 13) at 6AM. The primary swell is predicted to be 1.3m and 7s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Tawharanui in the next 16 days are 1.4m 7s and forecast to arrive on Thursday (Aug 13) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Monday (Aug 17) at 12AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 13th Aug)4.5ft (1.3m) 7s
Best Surf 6AM (Thu 13th Aug)4.5ft (1.3m) 7s
Most Powerful 3AM (Thu 13th Aug)4.5ft (1.4m) 7s

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


The Lowdown

G’day, Rusty here. Look, I’m not gonna sugarcoat it – we’ve got a pretty grim stretch ahead for Tawharanui. The next 16 days are mostly a write-off for anything that’s genuinely worth paddling out for. There’s a real big gap of almost two weeks where the surf is flat or just ordinary, so don’t be holding your breath.

The first bit of interest shows up on Wednesday afternoon, 12 August, but honestly, it’s a shocker. We’ve got a 7ft NE swell running at a short 8 seconds, with a cross-onshore breeze at 19 mph and light rain. The water’s sitting at 58°F, which is about normal for this time of year – nothing unusual there. The combined wave energy’s moderate at 441, but the conditions are lumpy and messy. This is a beach and reef setup, so with that onshore wind and poor surf quality, you’d be better off looking for a kitesurfing session than a paddle.

Thursday morning, 13 August, things calm down a bit. Swell drops to 4ft from the NE, period still short at 7 seconds, but the wind swings offshore from the WSW at 6 mph. It’s clean, but the waves are ordinary – only 128 energy. That afternoon goes glassy with 3ft NE swell and zero wind, but again, it’s just small and weak. Not worth rushing out for.

From Friday 14 August through to Sunday 23 August, it’s a total desert. Swell heights barely tickle 3ft, mostly from the E or NE, with periods all short. Wind’s sometimes offshore, but the energy is tiny – mostly under 100. There’s a few windows of clean conditions, like Saturday afternoon 15 August with a moderate offshore from the SSW at 16 mph and 2ft E swell, but the waves are too small to get excited about. Same story for Sunday 16 August morning – 3ft E swell, clean, but only 99 energy. Just not enough punch.

Late in the window, Monday 24 August starts to see a bit of a lift – 3ft N swell on Monday morning, then 4ft N on Monday afternoon with onshore wind picking up to 16 mph. The combined energy gets to 103, but it’s still onshore and the surf quality is poor. Tuesday 25 August brings the biggest swell of the whole period: 5ft from the north with a period of 8 seconds, but a strong onshore NE wind at 28 mph and light rain. That’s 285 energy – moderate – but the conditions are truly horrid for surfing. Way too messy for anything but a kite.

By Wednesday 26 August, the wind goes cross-offshore from the west at 6 mph with 2ft NE swell – clean again, but still tiny (46 energy). Thursday 27 August has offshore winds over 25 mph, which is clean but hard to paddle into, and the swell stays small.

The standout? Honestly, there isn’t one. If I had to pick the most usable session, it’d be Thursday morning 13 August – that 4ft NE swell with offshore wind at Tawharanui (Tawharanui) gives you clean but modest waves. Nothing special, but it’s the best of a bad lot. Everything else is too small, too onshore, or too windy to bother.

Hang in there, mate – it tends not to stay this flat forever. Forecasts can change.

Rusty.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed afternoon. Very mild (max 16°C on Thu morning, min 12°C on Fri night). Winds decreasing (fresh winds from the ENE on Wed afternoon, calm by Wed night).

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 16°C on Sat afternoon, min 8°C on Sun night). Winds decreasing (fresh winds from the SSW on Mon afternoon, light winds from the SSW by Mon night).

Wed
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
1
1
1
0
0
1
0
1
0
1
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
NE
8
1.4
NE
8
1.1
NE
7
0.9
NE
7
0.7
NE
7
0.7
NE
7
0.5
NE
8
0.6
NE
8
0.4
NE
8
0.5
E
8
0.5
E
8
0.8
E
9
0.7
E
9
0.1
N
12
0.6
E
8
0.4
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
E
9
0.2
E
9
Wave Graph
Metric surfscale
Energy kJ
441
229
125
79
44
43
28
38
22
32
32
99
71
3
48
20
14
13
15
6
Wind (km/h)
30
ENE
15
ENE
10
WSW
0
NNW
5
SW
15
E
10
ESE
10
SSE
20
S
25
SSW
30
SW
25
SW
25
S
25
SSE
25
SSW
35
SSW
15
SW
20
S
10
SE
20
S
Wind State
cross-on
on
off
glassy
glassy
cross-on
cross
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross
cross-off
High Tide
6:38PM2.70m
7:03AM2.61m
7:29PM2.78m
7:54AM2.67m
8:17PM2.81m
8:44AM2.69m
9:04PM2.80m
9:32AM2.69m
9:50PM2.75m
10:19AM2.64m
10:35PM2.67m
11:04AM2.57m
11:18PM2.56m
Low Tide
1:07AM0.52m
1:27PM0.36m
1:58AM0.45m
2:16PM0.32m
2:46AM0.41m
3:01PM0.33m
3:32AM0.40m
3:45PM0.39m
4:15AM0.43m
4:28PM0.49m
4:58AM0.50m
5:14PM0.61m
mod rain
rain showers
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:03
7:03
7:01
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
5:45
5:46
5:46
5:47
5:49
 mm
7
7
2
Temp °C
13
15
16
16
14
14
14
14
15
16
13
13
11
11
10
11
10
11
12
11
Feels °C
8
13
16
16
14
12
13
12
11
12
8
9
6
5
1
3
6
7
8
6
  • 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 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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