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Nukumaru Rock surfForecast / Wanganui-Manawatu / New Zealand
16 Day Weather and Surf, issued 5 pm Saturday 18 Apr 2026 NZSTForecast update in hr min s Forecast update imminent
Nukumaru Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nukumaru Rock sea temperature is
17.7° C
(Which is slightly warmer than usual)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 Sunday (Apr 19) at 3AM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 0.4m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Nukumaru Rock in the next 16 days are 5.0m 10s and forecast to arrive on Thursday (Apr 23) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Apr 20) at 12PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 19th Apr) | 5.5ft (1.7m) 9s |
| Best Surf | 9PM (Sun 19th Apr) | 6ft (1.8m) 14s |
| Most Powerful | 12AM (Thu 23rd Apr) | 16ft (5.0m) 10s |
Table - best surf conditions forecast for Nukumaru Rock over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 65mm), heaviest during Sat night. Very mild (max 18°C on Sat afternoon, min 11°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the S by Tue morning). | Days 3-6 Weather Summary Heavy rain (total 20mm), heaviest during Thu night. Very mild (max 14°C on Wed morning, min 9°C on Thu night). Winds decreasing (strong winds from the SSE on Wed afternoon, light winds from the S by Fri morning). | ||||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 9 | 10 | 13 | 14 | 15 | 14 | 13 | 7 | 10 | 9 | 9 | 9 | 9 | 10 | 9 | 8 | 7 | 6 | 8 | 8 | 7 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 431 | 392 | 764 | 1060 | 1421 | 874 | 389 | 111 | 220 | 736 | 274 | 2263 | 1968 | 5304 | 1604 | 789 | 418 | 273 | 750 | 750 | 542 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- off | cross- on | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | ||
High Tide / height (m) | 10:45PM 2.73 | 11:03AM 2.74 | 11:26PM 2.72 | 11:46AM 2.65 | 12:09AM 2.63 | 12:31PM 2.49 | 12:55AM 2.48 | 1:21PM 2.29 | 1:48AM 2.29 | 2:19PM 2.07 | 2:52AM 2.11 | 3:31PM 1.90 | 4:08AM 1.98 | ||||||||||
Low Tide / height (m) | 4:56AM -0.04 | 5:15PM -0.05 | 5:36AM 0.01 | 5:55PM 0.06 | 6:18AM 0.14 | 6:37PM 0.23 | 7:05AM 0.33 | 7:24PM 0.44 | 8:02AM 0.53 | 8:23PM 0.65 | 9:19AM 0.71 | 9:50PM 0.80 | 11:01AM 0.76 | ||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||
| Sunrise | - | - | 6:52 | - | - | 6:54 | - | - | 6:54 | - | - | 6:56 | - | - | 6:56 | - | - | 6:58 | - | - | 6:58 | ||
| Sunset | 5:47 | - | - | 5:45 | - | - | 5:45 | - | - | 5:44 | - | - | 5:42 | - | - | 5:40 | - | - | 5:39 | - | - | ||
 |  |  |  |  | | |  | |  | | | |  |  | | |  | | | | |||
Rain (mm) | 5 | 42 | - | 7 | - | 7 | 1 | 1 | 2 | - | - | - | - | 3 | - | - | 11 | 6 | - | - | - | ||
| Temp. °C | 18 | 15 | 18 | 16 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 12 | 12 | 12 | 12 | 10 | 13 | 13 | 12 | 13 | ||
| Feels °C (?) | 13 | 13 | 16 | 14 | 12 | 8 | 10 | 10 | 8 | 8 | 9 | 9 | 3 | 4 | 5 | 5 | 6 | 6 | 7 | 8 | 11 | ||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nukumaru Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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