Surf Forecasts:
Tawharanui surf forecast from 25 Aug 2026:
- Best quality surf: Saturday 29 Aug, 3PM (local time) - 7.5ft (2.3m), 7s period, N swell with cross-offshore winds.
- Most powerful swell: Saturday 29 Aug, 6PM (local time) - 8ft (2.4m), 8s period, N swell with 652 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 3PM (local time) - 7.5ft (2.3m), 7s 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 (Aug 29) at 3PM. The primary swell is predicted to be 2.3m and 7s period with a secondary swell of 0.1m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tawharanui in the next 16 days are 2.4m 8s and forecast to arrive on Saturday (Aug 29) at 6PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Aug 31) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sat 29th Aug) | 7.5ft (2.3m) 7s |
| Best Surf | 3PM (Sat 29th Aug) | 7.5ft (2.3m) 7s |
| Most Powerful | 6PM (Sat 29th Aug) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Tawharanui over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the cards for the Tawharanui region over the next couple of weeks.
Right off the bat, I gotta be straight with you – it's a bit of a slow start. We're looking at a long, quiet patch where the swell is just too small to get excited about. From Tuesday the 25th right through until the end of August, the wave heights are hovering around that 0.3ft to 2ft mark. The water temp is sitting at 57°F which is pretty normal for this time of year, so no surprises there. You'll see some glassy mornings and clean conditions, but at that size, there's just nothing to ride. It's a real tease.
We do get a little spike of energy rolling in on Saturday the 29th afternoon. The swell bumps up to 8ft from the north, with a short period of 7 seconds and a moderate combined energy (572). The wind will be a clean cross-off from the west, which will tidy things up nicely. That's actually the best window we've got in the whole outlook, but with that size, it's strictly for the experts – beginners will want to sit this one out. The short period means it'll be a bit jumbled, but for those with the skills, it could offer some punchy waves.
After that little burst, it's right back to the doldrums. Sunday the 30th drops off to 3ft with a strong cross-off breeze, and the rest of the following week is a real struggle, with most days seeing waves under 2ft and weak energy (typically under 100). The conditions are often clean, but there's just no power behind them.
We do get a flicker of hope in the second week. On Tuesday morning, September 8th, a new swell from the east-southeast pushes in at 5ft with a period of 8 seconds and a moderate energy reading of 242. The wind is light and cross-off from the west-northwest, so it should be clean. That's a promising sign for a surf, but it's a long way out, so keep your fingers crossed. The wind does get messy again the next day, so that Tuesday morning window is the one to watch.
So, to sum it up: the standout is Saturday afternoon, August 29th, at Tawharanui. That's your best chance for some real size, but it's an expert-only affair. If that's a bit too much, the morning of Tuesday, September 8th, looks like a more manageable option for a longer-range plan.
Rusty, signing off.
Short Range ForecastMostly dry. Very mild (max 15°C on Tue afternoon, min 12°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Sat morning. Very mild (max 15°C on Fri afternoon, min 9°C on Sun night). Winds increasing (light winds from the WSW on Sat night, strong winds from the SSE by Sun night). | |||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||
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) | E 13 | E 12 | N 13 | E 12 | N 12 | E 12 | NE 9 | N 12 | N 4 | N 5 | N 5 | N 7 | N 7 | N 7 | NNE 7 | NNE 7 | NE 8 | NE 9 | NE 11 | NE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 32 | 45 | 37 | 128 | 569 | 150 | 66 | 48 | 82 | 36 | 40 | 37 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off |
High Tide | 5:16PM2.23m | 5:24AM2.16m | 6:01PM2.33m | 6:12AM2.25m | 6:41PM2.42m | 6:57AM2.34m | 7:21PM2.50m | 7:39AM2.43m | 8:01PM2.56m | 8:21AM2.50m | 8:42PM2.60m | 9:03AM2.54m | 9:24PM2.61m | |||||||
Low Tide | 11:29PM0.99m | 11:47AM0.89m | 00:18AM0.92m | 12:35PM0.80m | 1:01AM0.82m | 1:18PM0.71m | 1:43AM0.73m | 1:59PM0.63m | 2:24AM0.64m | 2:38PM0.58m | 3:04AM0.58m | 3:18PM0.56m | ||||||||
 |  | | |  | | | |  |  |  |  |  | | | |  | | | | |
 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — |
 | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | 4 | 9 | 1 | — | 1 | 5 | 1 | 1 | — | — |
Temp °C | 15 | 13 | 15 | 15 | 13 | 14 | 15 | 14 | 15 | 15 | 15 | 14 | 15 | 12 | 13 | 14 | 11 | 11 | 11 | 12 |
Feels °C | 10 | 10 | 12 | 11 | 11 | 13 | 12 | 11 | 10 | 10 | 11 | 10 | 13 | 10 | 5 | 8 | 2 | 2 | 1 | 9 |
Swell 1 Height (m) Direction Period (s) | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 8 | ESE 5 | E 5 | NNE 9 | N 7 | E 13 | N 7 | NNE 7 | NNE 7 | NE 8 | NE 9 | NE 11 | NE 10 |
| kJ | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 6 | 2 | 8 | 128 | 3 | 150 | 66 | 48 | 82 | 36 | 40 | 37 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 12 | — | E 12 | N 12 | — | — | NE 9 | NE 9 | NE 9 | — | E 5 | — | E 13 | NE 10 | NE 9 | NNW 6 | NW 6 | SE 6 | ESE 7 |
| kJ | 3 | 3 | — | 3 | 3 | — | — | 3 | 3 | 3 | — | 2 | — | 3 | 27 | 36 | 3 | 2 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | N 13 | N 10 | E 12 | E 12 | — | N 12 | N 11 | N 11 | — | E 14 | — | — | NE 10 | E 12 | — | N 6 | NNE 11 | — |
| kJ | — | — | 3 | 2 | 3 | 3 | — | 3 | 2 | 2 | — | 4 | — | — | 34 | 3 | — | 1 | 12 | — |
Wind waves Height (m) Direction Period (s) | WSW 2 | SW 3 | WNW 3 | W 3 | W 3 | — | — | N 3 | N 4 | N 5 | N 5 | — | N 7 | W 4 | W 3 | W 3 | SW 4 | S 6 | S 5 | SSW 4 |
| kJ | 1 | 2 | 1 | 1 | 1 | — | — | 1 | 32 | 45 | 37 | — | 569 | 14 | 1 | 2 | 45 | 171 | 121 | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 202 | 202 | 202 | 359 | 202 | 102 | 64 | 64 | 102 | 67 | 67 | 64 | 0 | 0 | 160 | 7 | 22 | 44 | 152 | 0 |
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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