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Wainui Beach - Whales Surf Forecast
/ Gisborne and Mahia (37 surf breaks) /
Surf Forecasts:
Wainui Beach - Whales surfForecast / Gisborne and Mahia / New Zealand
12 Day Weather and Surf, issued 6 am Saturday 20 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Wainui Beach - Whales surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Wainui Beach - Whales sea temperature is
18.2° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Wainui Beach - Whales this week:
The surf forecast for Wainui Beach - Whales over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 20) at 10PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.2m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Wainui Beach - Whales in the next 12 days are 1.4m 9s and forecast to arrive on Sunday (Dec 21) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Dec 25) at 7PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 20th Dec) | 3.5ft (1.0m) 9s |
| Best Surf | 7AM (Sun 21st Dec) | 3ft (0.9m) 9s |
| Most Powerful | 10AM (Sun 21st Dec) | 4.5ft (1.4m) 9s |
Table - best surf conditions forecast for Wainui Beach - Whales over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 4mm), mostly falling on Mon night. Very mild (max 19°C on Sat morning, min 12°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Some drizzle, heaviest during Tue morning. Warm (max 25°C on Tue morning, min 14°C on Wed night). Winds decreasing (fresh winds from the NW on Tue afternoon, light winds from the WNW by Wed night). | ||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 12 | 12 | 9 | 9 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 21 | 64 | 172 | 311 | 140 | 111 | 133 | 94 | 127 | 211 | 166 | 151 | 121 | 86 | 47 | 20 | 39 | 38 | 32 | 20 | 10 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | cross- on | cross- on | cross- on | cross- on | cross | off | off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 6:58PM 1.67 | 7:39AM 1.73 | 7:49PM 1.68 | 8:29AM 1.75 | 8:42PM 1.70 | 9:18AM 1.78 | 9:34PM 1.73 | 10:06AM 1.82 | 10:21PM 1.76 | 10:53AM 1.87 | 11:06PM 1.79 | 11:39AM 1.91 | 11:50PM 1.82 | ||||||||
Low Tide / height (m) | 1:00PM 0.78 | 1:14AM 0.68 | 1:55PM 0.79 | 2:02AM 0.69 | 2:49PM 0.77 | 2:52AM 0.70 | 3:39PM 0.75 | 3:42AM 0.69 | 4:26PM 0.72 | 4:30AM 0.66 | 5:11PM 0.69 | 5:16AM 0.63 | 5:56PM 0.65 | ||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||
| Sunrise | 5:37 | - | - | 5:37 | - | - | 5:39 | - | - | 5:39 | - | - | 5:39 | - | - | 5:39 | - | - | 5:41 | - | - |
| Sunset | - | 8:30 | - | - | 8:30 | - | - | 8:30 | - | - | 8:31 | - | - | 8:31 | - | - | 8:32 | - | - | 8:32 | - |
 | |  | |  |  | | |  |  | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 15 | 17 | 16 | 15 | 18 | 18 | 19 | 25 | 23 | 23 | 24 | 24 | 21 | 20 | 22 | 20 | 23 | 22 | 19 |
| Feels °C (?) | 16 | 14 | 14 | 12 | 12 | 13 | 14 | 15 | 17 | 21 | 19 | 20 | 22 | 22 | 18 | 16 | 20 | 16 | 20 | 20 | 15 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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Information about the Wainui Beach - Whales Surf forecast
The above surf forecast table for Wainui Beach - Whales provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Wainui Beach - Whales can be found by selecting the local surf guide option on the grey menu. Our Wainui Beach - Whales 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 (Wainui Beach - Whales) 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 Wainui Beach - Whales 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 Gisborne and Mahia? If you are looking for accommodation near Wainui Beach - Whales, camping, hotels and holiday cottages in Gisborne and Mahia, consider staying in Gisborne which is 10 km (6 miles) away.
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