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Ranganunu Harbour Surf Forecast
/ Northland (73 surf breaks) /
Surf Forecasts:
Ranganunu Harbour surfForecast / Northland / New Zealand
16 Day Weather and Surf, issued 6 pm Sunday 22 Mar 2026 NZDTForecast update in hr min s Forecast update imminent
Ranganunu Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ranganunu Harbour sea temperature is
20.8° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Ranganunu Harbour this week:
The surf forecast for Ranganunu Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Mar 26) at 1PM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 0.3m and 16s. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Ranganunu Harbour in the next 16 days are 4.5m 10s and forecast to arrive on Wednesday (Mar 25) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Mar 23) at 10AM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 26th Mar) | 11ft (3.5m) 9s |
| Best Surf | 1PM (Thu 26th Mar) | 11ft (3.5m) 9s |
| Most Powerful | 4PM (Wed 25th Mar) | 15ft (4.5m) 10s |
Table - best surf conditions forecast for Ranganunu Harbour over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 30mm), heaviest during Wed morning. Warm (max 20°C on Sun afternoon, min 18°C on Sun night). Winds increasing (calm on Sun afternoon, strong winds from the E by Wed morning). | Days 3-6 Weather Summary Heavy rain (total 78mm), heaviest during Wed night. Warm (max 23°C on Thu afternoon, min 18°C on Wed afternoon). Winds decreasing (strong winds from the ENE on Wed afternoon, calm by Sat morning). | ||||||||||||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||
| 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) (?) | 12 | 14 | 12 | 5 | 7 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 50 | 41 | 47 | 103 | 311 | 439 | 559 | 699 | 2039 | 4369 | 2633 | 2237 | 1901 | 1230 | 640 | 470 | 354 | 267 | 175 | 116 | 128 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | on | on | cross- on | cross- on | glass | cross- off | cross | glass | glass | ||
High Tide / height (m) | 12:12AM 2.21 | 12:33PM 2.18 | 1:00AM 2.19 | 1:22PM 2.12 | 1:52AM 2.14 | 2:14PM 2.05 | 2:48AM 2.07 | 3:11PM 1.98 | 3:51AM 2.01 | 4:13PM 1.92 | 4:57AM 1.98 | 5:20PM 1.90 | 6:02AM 1.99 | ||||||||||
Low Tide / height (m) | 5:29PM 0.12 | 5:50AM 0.26 | 6:15PM 0.15 | 6:42AM 0.32 | 7:04PM 0.21 | 7:37AM 0.39 | 7:58PM 0.29 | 8:36AM 0.47 | 8:57PM 0.38 | 9:39AM 0.52 | 10:00PM 0.45 | 10:43AM 0.54 | 11:05PM 0.48 | 11:46AM 0.52 | |||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||
| Sunrise | - | - | 7:31 | - | - | 7:31 | - | - | 7:33 | - | - | 7:33 | - | - | 7:33 | - | - | 7:35 | - | - | 7:35 | ||
| Sunset | 7:36 | - | - | 7:35 | - | - | 7:34 | - | - | 7:31 | - | - | 7:30 | - | - | 7:29 | - | - | 7:28 | - | - | ||
 |  |  | |  |  | |  |  | | |  | | |  | | | | | | | |||
Rain (mm) | - | - | 1 | 1 | - | - | - | 12 | 16 | 15 | 58 | 4 | 1 | - | - | - | - | - | - | - | - | ||
| Temp. °C | 20 | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 18 | 19 | 21 | 22 | 23 | 20 | 22 | 22 | 19 | 22 | 22 | 19 | 20 | ||
| Feels °C (?) | 21 | 20 | 18 | 17 | 15 | 15 | 15 | 16 | 12 | 13 | 18 | 22 | 23 | 21 | 23 | 22 | 20 | 23 | 22 | 20 | 21 | ||
- Map Icons:
Break
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 Ranganunu Harbour 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 Ranganunu Harbour Surf forecast
The above surf forecast table for Ranganunu Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ranganunu Harbour can be found by selecting the local surf guide option on the grey menu. Our Ranganunu Harbour 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 (Ranganunu Harbour) 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 Ranganunu Harbour 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 Northland? If you are looking for accommodation near Ranganunu Harbour, camping, hotels and holiday cottages in Northland, consider staying in Houhora which is 17 km (11 miles) away.
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