Surf Forecasts:
Nukumaru Rock surf forecast from 6 Sep 2026:
- Best quality surf: Sunday 13 Sep, 6AM (local time) - 10ft (3.0m), 14s period, WSW swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 6PM (local time) - 15ft (4.5m), 14s period, WSW swell with 8,771 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 9AM (local time) - 6.5ft (2.0m), 7s period with S swell.
Best Forecast Surf Conditions for Nukumaru Rock this week:
The surf forecast for Nukumaru Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 9AM. The primary swell is predicted to be 2.0m and 7s period with a secondary swell of 1.4m and 9s. Another secondary swell of 0.8m and 16s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Nukumaru Rock in the next 16 days are 4.5m 14s and forecast to arrive on Saturday (Sep 12) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Monday (Sep 07) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 7th Sep) | 6.5ft (2.0m) 7s |
| Best Surf | 6AM (Sun 13th Sep) | 10ft (3.0m) 14s |
| Most Powerful | 6PM (Sat 12th Sep) | 15ft (4.5m) 14s |
Table - best surf conditions forecast for Nukumaru Rock over the next 16 days.
Short Range ForecastHeavy rain (total 43mm), heaviest during Mon morning. Very mild (max 16°C on Sun morning, min 7°C on Mon night). Winds decreasing (fresh winds from the ESE on Mon morning, calm by Tue night). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 13°C on Wed morning, min 8°C on Thu night). Winds increasing (light winds from the NNW on Wed morning, strong winds from the W by Fri night). | ||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||
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) | W 16 | WSW 17 | WNW 9 | S 7 | W 9 | W 10 | W 9 | WSW 10 | W 10 | W 9 | W 8 | WNW 6 | W 6 | W 7 | W 8 | WSW 19 | W 18 | WSW 10 | WSW 11 | WSW 13 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2829 | 798 | 1156 | 356 | 175 | 79 | 142 | 102 | 80 | 78 | 92 | 173 | 307 | 607 | 1007 | 1261 | 7826 | 3645 | 6264 | 8031 | 5801 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross | glassy | on | glassy | cross-off | cross-on | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 5:20PM1.92m | 6:08AM1.88m | 6:50PM2.03m | 7:30AM2.03m | 7:59PM2.24m | 8:29AM2.23m | 8:51PM2.44m | 9:16AM2.40m | 9:34PM2.60m | 9:57AM2.54m | 10:13PM2.70m | 10:34AM2.62m | 10:50PM2.72m | ||||||||
Low Tide | 11:08AM0.83m | 00:15AM0.78m | 12:53PM0.73m | 1:37AM0.60m | 2:00PM0.53m | 2:33AM0.38m | 2:49PM0.33m | 3:17AM0.18m | 3:31PM0.16m | 3:55AM0.04m | 4:08PM0.06m | 4:30AM-0.03m | 4:42PM0.01m | ||||||||
 | |  |  | |  |  | |  |  | | | |  | |  | | | | | | |
 | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — |
 | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
mm | — | — | 14 | 11 | 11 | 7 | — | — | — | — | — | — | — | 5 | 3 | 1 | — | — | 2 | — | 3 |
Temp °C | 16 | 16 | 15 | 13 | 9 | 8 | 11 | 11 | 10 | 13 | 13 | 11 | 13 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 10 |
Feels °C | 12 | 11 | 12 | 12 | 2 | 1 | 8 | 8 | 9 | 9 | 8 | 5 | 8 | 6 | 6 | 7 | 4 | 4 | 4 | 2 | 2 |
Swell 1 Height (m) Direction Period (s) | S 17 | WSW 17 | W 9 | W 9 | W 9 | W 10 | W 9 | WSW 10 | W 10 | W 9 | WSW 20 | WSW 12 | WSW 11 | S 16 | S 14 | W 9 | S 7 | S 9 | S 16 | S 12 | S 16 |
| kJ | 6 | 798 | 885 | 341 | 175 | 67 | 142 | 102 | 80 | 78 | 38 | 81 | 64 | 5 | 4 | 465 | 33 | 37 | 20 | 144 | 2038 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | S 5 | WNW 9 | WNW 8 | S 4 | WSW 12 | WSW 18 | WSW 18 | S 8 | S 20 | S 6 | S 18 | S 17 | — | — | S 15 |
| kJ | 5 | 5 | 402 | 306 | 144 | 79 | 16 | 32 | 28 | 1 | 13 | 64 | 60 | 1 | 8 | 158 | 26 | 6 | — | — | 1185 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 16 | S 16 | S 16 | S 16 | S 15 | S 9 | S 9 | S 4 | S 8 | S 8 | S 8 | S 8 | S 15 | S 14 | WSW 19 | — | — | — | — | — |
| kJ | 1 | 5 | 5 | 5 | 5 | 4 | 6 | 6 | 2 | 5 | 5 | 1 | 1 | 5 | 4 | 1261 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 16 | WNW 8 | WNW 9 | S 7 | SSE 7 | SSE 7 | — | SSW 4 | — | — | W 8 | WNW 6 | W 6 | W 7 | W 8 | S 6 | W 18 | WSW 10 | WSW 11 | WSW 13 | WSW 15 |
| kJ | 2829 | 395 | 1156 | 356 | 657 | 330 | — | 5 | — | — | 92 | 173 | 307 | 607 | 1007 | 135 | 7826 | 3645 | 6264 | 8031 | 5801 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 0 | 103 | 75 | 0 | 106 | 0 | 0 | 169 | 176 | 7 | 7 | 176 | 103 | 169 | 173 | 169 | 165 | 402 |
Best forecast wave conditions in Wanganui and the Manawatu | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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Information about the Nukumaru Rock Surf forecast
The above surf forecast table for Nukumaru Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nukumaru Rock can be found by selecting the local surf guide option on the grey menu. Our Nukumaru Rock 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 (Nukumaru Rock) 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 Nukumaru Rock 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.
Are you planning a holiday in Wanganui and the Manawatu? If you are looking for accommodation near Nukumaru Rock, camping, hotels and holiday cottages in Wanganui and the Manawatu, consider staying in Wanganui which is 32 km (20 miles) away. Alternatively, find information about places to stay and car hire in Palmerston North which is 96 km (60 miles) away
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