Surf Forecasts:
Tawharanui surf forecast from 31 Aug 2026:
- Best quality surf: Friday 4 Sep, 6PM (local time) - 3ft (0.9m), 7s period, NNW swell with offshore winds.
- Most powerful swell: Sunday 6 Sep, 6PM (local time) - 5ft (1.5m), 6s period, N swell with 176 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 6PM (local time) - 3ft (0.9m), 7s period with NNW 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 Friday (Sep 04) at 6PM. The primary swell is predicted to be 0.9m and 7s 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 1.5m 6s and forecast to arrive on Sunday (Sep 06) at 6PM. 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 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Fri 4th Sep) | 3ft (0.9m) 7s |
| Best Surf | 6PM (Fri 4th Sep) | 3ft (0.9m) 7s |
| Most Powerful | 6PM (Sun 6th Sep) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Tawharanui over the next 16 days.
The Lowdown
Alright, I’ve looked at what’s coming up for Tawharanui, and I’ve gotta be straight with you—it’s a tough stretch. The whole 16-day window is a real struggle. Nothing’s jumping out as a proper session, not even a so-so one. The forecast is basically a long, quiet run with hardly any swell of consequence. The energy readings are tiny, mostly in the teens and twenties, which is about as weak as it gets. The strongest pulse we see is 163 (moderate wave energy) on the 6th of September, but that’s from a messy NNW wind that’s cross-onshore and lumpy, with a short period of 6 seconds—no good for a clean wave. We’ll get a few days with offshore winds, but when the swell is only 1.0ft to 2ft, it’s just not worth paddling out for.
The best chance, if you’re desperate, falls on the 12th of September. Saturday morning at Tawharanui will see a 4ft swell from the east with an 8-second period, moderate energy (212), and a fresh offshore wind from the SW making it clean. That’s the standout in a very flat lineup. It’s not big, but it’s the only sniff of a rideable wave. After that, the surf drops off fast again. For the rest, it’s mostly flat, with tiny 0.3ft to 1.0ft swells and weak energy. The water temperature is around 58°, which is about normal for this time of year. Honestly, if you’re not into a long paddle for nothing, you might be better off finding something else to do. The setup’s so small and weak it’d be more interesting for kite surfing than paddle surfing.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Thu morning, min 12°C on Tue afternoon). Winds decreasing (fresh winds from the SW on Tue morning, light winds from the WNW by Wed night). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun night. Very mild (max 17°C on Sun afternoon, min 12°C on Fri night). Winds increasing (light winds from the W on Sat night, strong winds from the WNW by Sun afternoon). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | NNW 5 | NNW 6 | N 7 | NNW 6 | ENE 11 | ENE 10 | NNW 4 | N 6 | NNW 7 | N 6 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 14 | 14 | 13 | 12 | 7 | 9 | 10 | 10 | 50 | 40 | 36 | 6 | 11 | 10 | 41 | 160 | 73 | 18 | 9 | 9 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | cross-off | off | cross | cross-on | cross-on | cross-off | cross-off | off | off |
High Tide | 9:46AM2.55m | 10:07PM2.59m | 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 | ||||||||
Low Tide | 3:59PM0.58m | 4:29AM0.53m | 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 | ||||||||
 |  |  | | | | |  |  |  |  | | | | | | |  | | |  | |
 | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | 3 | 6 | — | — | — |
Temp °C | 13 | 13 | 12 | 15 | 15 | 13 | 16 | 16 | 14 | 16 | 15 | 13 | 15 | 16 | 13 | 15 | 17 | 13 | 13 | 13 | 12 |
Feels °C | 5 | 6 | 7 | 10 | 10 | 10 | 12 | 12 | 11 | 11 | 10 | 9 | 11 | 11 | 11 | 9 | 11 | 8 | 4 | 4 | 6 |
Swell 1 Height (m) Direction Period (s) | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | N 7 | NNW 6 | NNW 6 | N 6 | NE 10 | NE 9 | NNW 7 | N 6 | NNW 7 | NNW 7 |
| kJ | 33 | 14 | 14 | 13 | 12 | 7 | 9 | 10 | 10 | 10 | 10 | 36 | 6 | 7 | 2 | 4 | 3 | 73 | 18 | 9 | 9 |
Swell 2 Height (m) Direction Period (s) | — | N 7 | — | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | ENE 10 | NE 10 | ENE 11 | ENE 10 | — | — | NE 9 | NE 9 | NE 11 | E 9 |
| kJ | — | 1 | — | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 4 | 11 | 10 | — | — | 3 | 3 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | N 10 | N 10 | N 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 4 | WSW 4 | WSW 3 | W 3 | WNW 3 | NW 3 | NW 5 | NNW 5 | NNW 6 | SW 3 | W 3 | W 3 | — | NNW 4 | N 6 | WNW 4 | WSW 4 | SW 4 | SW 4 |
| kJ | 39 | 28 | 15 | 8 | 9 | 5 | 2 | 2 | 8 | 50 | 40 | 7 | 5 | 1 | — | 41 | 160 | 15 | 49 | 51 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 22 | 183 | 202 | 359 | 295 | 359 | 359 | 279 | 359 | 383 | 0 | 183 | 202 | 256 | 371 | 378 | 92 | 122 | 189 | 272 |
Best forecast wave conditions in Northland | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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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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