Surf Forecasts:
Tawharanui surf forecast from 4 Aug 2026:
- Best quality surf: Monday 10 Aug, 3AM (local time) - 11ft (3.5m), 10s period, N swell with cross-shore winds.
- Most powerful swell: Monday 10 Aug, 3AM (local time) - 11ft (3.5m), 10s period, N swell with 2,306 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 3AM (local time) - 11ft (3.5m), 10s 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 Monday (Aug 10) at 3AM. The primary swell is predicted to be 3.5m and 10s period with a secondary swell of 3.0m and 10s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Tawharanui in the next 16 days are 3.5m 10s and forecast to arrive on Monday (Aug 10) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Aug 05) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 10th Aug) | 11ft (3.5m) 10s |
| Best Surf | 3AM (Mon 10th Aug) | 11ft (3.5m) 10s |
| Most Powerful | 3AM (Mon 10th Aug) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Tawharanui over the next 16 days.
The Lowdown
Alright, Rusty here, looking at the next couple of weeks at Tawharanui. It’s a slow start, no two ways about it. The water is about 58°F, which is standard for this time of year.
We start off Tuesday the 4th with a clean offshore breeze but next to no swell – practically flat, about 0.3 ft. That little NE swell has a long 13-second period, but the combined energy is only 9. The same story holds through Wednesday, Thursday, and Friday: glassy or light winds, but the waves are barely a bump, never more than 0.3 ft.
Saturday the 8th and Sunday the 9th bring a messy spike in swell, up to 3 ft and then 7 ft from the north, but it’s with a strong onshore wind and rain. The energy jumps to 459, but the conditions are lumpy and poor. Not worth the paddle.
The one real chance comes on Monday the 10th. The swell cleans up to a solid 7 ft from the north, with a 10-second period and a gentle cross-offshore breeze. The combined swell energy hits 935 – that’s moderate to strong energy. This is the window. But at 7 ft, this is big, powerful water, strictly for experts. The swell direction isn’t the perfect NE, but the clean wind makes it the best we’ve got. The rest of that week and the next are a mix of small, ordinary waves or choppy onshore junk. There’s a brief moment Saturday the 15th with some waist-high ESE swell and clean wind, but it’s nothing special.
Forget the first week. Monday the 10th is the one to aim for, but only if you’ve got the skills and the nerve.
Rusty.
Short Range ForecastMostly dry. Very mild (max 14°C on Tue afternoon, min 6°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue night, calm by Fri morning). | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Sun night. Very mild (max 15°C on Sat night, min 9°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the N by Sun morning). | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | ||||||||||||||
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 13 | N 13 | NE 12 | ESE 6 | NE 11 | E 7 | ESE 6 | N 15 | N 14 | N 14 | NE 15 | NE 16 | N 4 | N 5 | N 6 | N 7 | N 9 | N 10 | N 9 | N 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6 | 5 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 8 | 10 | 19 | 59 | 164 | 449 | 1616 | 932 | 551 | 430 |
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 | cross-off | cross-off | off | glassy | glassy | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off |
High Tide | 11:14PM2.51m | 11:36AM2.42m | 11:59PM2.47m | 12:24PM2.39m | 00:49AM2.42m | 1:18PM2.36m | 1:45AM2.38m | 2:22PM2.35m | 2:49AM2.36m | 3:35PM2.38m | 3:59AM2.37m | 4:45PM2.47m | ||||||||
Low Tide | 5:04PM0.69m | 5:39AM0.64m | 5:53PM0.75m | 6:28AM0.65m | 6:50PM0.80m | 7:21AM0.65m | 7:52PM0.83m | 8:18AM0.65m | 8:56PM0.82m | 9:20AM0.64m | 10:02PM0.78m | 10:25AM0.60m | 11:08PM0.71m | |||||||
 |  |  | | | | | | | |  | |  |  | |  |  | | | | |
 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — |
 | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | — | — | — |
Temp °C | 14 | 9 | 7 | 9 | 9 | 8 | 10 | 9 | 9 | 10 | 11 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 16 | 13 |
Feels °C | 7 | 1 | 1 | 5 | 5 | 4 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 10 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | NE 13 | NE 12 | NE 12 | ESE 6 | — | E 7 | ESE 6 | E 6 | E 6 | E 6 | E 6 | N 12 | N 12 | NE 13 | NE 14 | NE 13 | E 12 | N 10 | N 9 | N 9 |
| kJ | 6 | 5 | 6 | 4 | — | 3 | 4 | 3 | 3 | 1 | 1 | 3 | 3 | 7 | 8 | 7 | 3 | 932 | 551 | 430 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 9 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NE 10 | N 14 | N 13 | NE 16 | NE 14 | N 12 | N 12 | E 12 | — | E 12 | E 12 | — |
| kJ | 3 | 3 | 3 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 10 | 7 | 3 | 3 | 3 | — | 3 | 3 | — |
Swell 3 Height (m) Direction Period (s) | — | N 13 | N 12 | E 9 | E 9 | E 9 | E 9 | N 15 | N 14 | NE 10 | NE 15 | E 6 | E 6 | N 10 | — | — | — | — | — | — |
| kJ | — | 3 | 3 | 2 | 1 | 2 | 2 | 4 | 4 | 4 | 8 | 1 | 1 | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | S 4 | SSE 4 | SSE 4 | S 3 | — | — | — | — | — | NNW 3 | NW 3 | N 4 | N 5 | N 6 | N 7 | N 9 | WSW 3 | — | — |
| kJ | 21 | 24 | 22 | 5 | 1 | — | — | — | — | — | 1 | 2 | 19 | 59 | 164 | 449 | 1616 | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 22 | 73 | 111 | 33 | 64 | 64 | 60 | 64 | 64 | 60 | 64 | 67 | 67 | 64 | 359 | 168 | 29 | 1 | 0 | 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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