Surf Forecasts:
Waikanae Beach - Roberts Road surf forecast from 18 Aug 2026:
- Best quality surf: Thursday 20 Aug, 3AM (local time) - 3ft (0.9m), 14s period, SSE swell with cross-offshore winds.
- Most powerful swell: Wednesday 19 Aug, 12PM (local time) - 10ft (3.0m), 11s period, S swell with 2,099 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 3AM (local time) - 3ft (0.9m), 14s period with SSE swell.
Best Forecast Surf Conditions for Waikanae Beach - Roberts Road this week:
The surf forecast for Waikanae Beach - Roberts Road over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 3AM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 1.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Waikanae Beach - Roberts Road in the next 16 days are 3.0m 11s and forecast to arrive on Wednesday (Aug 19) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Saturday (Aug 22) at 6AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 20th Aug) | 3ft (0.9m) 14s |
| Best Surf | 3AM (Thu 20th Aug) | 3ft (0.9m) 14s |
| Most Powerful | 12PM (Wed 19th Aug) | 10ft (3.0m) 11s |
Table - best surf conditions forecast for Waikanae Beach - Roberts Road over the next 16 days.
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Very mild (max 13°C on Fri morning, min 8°C on Tue night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the ENE by Fri morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Sat afternoon, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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) | SSE 12 | SSE 11 | S 11 | S 14 | SE 9 | S 8 | SSE 8 | SSE 16 | SSE 16 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SE 10 | ESE 13 | ESE 12 | ESE 13 | SSE 14 | SSE 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 1784 | 1517 | 1701 | 1373 | 316 | 266 | 101 | 203 | 357 | 187 | 82 | 74 | 46 | 25 | 17 | 15 | 17 | 37 | 174 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-off | off | cross | off | cross-off | off | off | off | off | cross-off | off | cross | off |
High Tide | 10:22PM2.02m | 10:47AM1.96m | 11:06PM1.95m | 11:32AM1.90m | 11:48PM1.87m | 12:17PM1.84m | 00:30AM1.79m | 1:01PM1.78m | 1:14AM1.71m | 1:46PM1.73m | 2:05AM1.65m | 2:36PM1.70m | |||||||
Low Tide | 4:39AM0.51m | 4:56PM0.58m | 5:24AM0.56m | 5:42PM0.65m | 6:09AM0.62m | 6:28PM0.72m | 6:53AM0.69m | 7:17PM0.77m | 7:38AM0.75m | 8:09PM0.81m | 8:27AM0.80m | 9:07PM0.83m | |||||||
 |  |  |  | |  |  | | | | | |  |  | | | | | | |
 | — | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — |
 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — |
mm | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 10 | 10 | 9 | 12 | 12 | 9 | 13 | 13 | 11 | 17 | 18 | 14 | 16 | 18 | 14 | 15 | 15 | 13 |
Feels °C | -2 | 1 | 2 | 3 | 6 | 7 | 6 | 11 | 9 | 8 | 13 | 14 | 10 | 12 | 15 | 11 | 12 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | — | SE 14 | SSE 11 | SE 9 | SE 9 | SE 9 | SSE 8 | ESE 10 | SSE 16 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SE 10 | SSE 10 | ESE 12 | ESE 13 | SSE 14 | SSE 15 |
| kJ | — | 31 | 744 | 367 | 268 | 210 | 101 | 97 | 357 | 187 | 82 | 74 | 46 | 25 | 9 | 15 | 17 | 37 | 174 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 9 | SSE 15 | SSE 14 | SSE 13 | ESE 9 | SSE 16 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | ESE 13 | ESE 13 | ESE 13 | SE 10 | S 9 | S 7 | ESE 13 |
| kJ | — | — | 248 | 456 | 143 | 68 | 70 | 203 | 90 | 36 | 16 | 6 | 16 | 17 | 17 | 4 | 6 | 8 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | SSE 16 | — | — | SE 13 | SSE 17 | SSE 9 | — | S 16 | — | E 10 | SE 8 | — | — | S 18 | S 18 | ESE 13 | — |
| kJ | — | — | 250 | — | — | 7 | 58 | 43 | — | 81 | — | 2 | 3 | — | — | 6 | 6 | 17 | — |
Wind waves Height (m) Direction Period (s) | SSE 12 | SSE 11 | S 11 | S 14 | S 8 | S 8 | — | — | — | NNE 3 | — | NNW 2 | — | — | WNW 2 | — | — | — | NNW 2 |
| kJ | 1784 | 1517 | 1701 | 1373 | 316 | 266 | — | — | — | 1 | — | 1 | — | — | 1 | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 122 | 132 | 117 | 8 | 42 | 46 | 0 | 0 | 2 | 0 | 6 | 0 | 4 | 4 | 2 | 4 | 2 | 2 | 0 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Waikanae Beach - Roberts Road Surf forecast
The above surf forecast table for Waikanae Beach - Roberts Road provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waikanae Beach - Roberts Road can be found by selecting the local surf guide option on the grey menu. Our Waikanae Beach - Roberts Road 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 (Waikanae Beach - Roberts Road) 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 Waikanae Beach - Roberts Road 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 Waikanae Beach - Roberts Road, camping, hotels and holiday cottages in Gisborne and Mahia, consider staying in Gisborne which is 3 km (2 miles) away.
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