Surf Forecasts:
Mahanga Beach surf forecast from 21 Jul 2026:
- Best quality surf: Tuesday 28 Jul, 9AM (local time) - 15ft (4.5m), 12s period, S swell with offshore winds.
- Most powerful swell: Tuesday 28 Jul, 9AM (local time) - 15ft (4.5m), 12s period, S swell with 5,178 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 12AM (local time) - 5ft (1.5m), 13s period with S swell.
Best Forecast Surf Conditions for Mahanga Beach this week:
The surf forecast for Mahanga Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 22) at 12AM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 0.5m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mahanga Beach in the next 16 days are 4.5m 12s and forecast to arrive on Tuesday (Jul 28) at 9AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 11s period and expected on Sunday (Jul 26) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 22nd Jul) | 5ft (1.5m) 13s |
| Best Surf | 9AM (Tue 28th Jul) | 15ft (4.5m) 12s |
| Most Powerful | 9AM (Tue 28th Jul) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Mahanga Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 13°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun night. Very mild (max 15°C on Fri afternoon, min 7°C on Sat night). Winds decreasing (strong winds from the SW on Sat night, light winds from the S by Sun afternoon). | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
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) | S 16 | S 15 | S 13 | SSE 12 | S 12 | S 13 | S 12 | S 11 | SSE 10 | SSE 10 | ENE 10 | NE 8 | E 12 | E 12 | S 11 | S 10 | SE 13 | ESE 13 | ESE 14 | S 10 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2203 | 1430 | 824 | 469 | 299 | 334 | 144 | 89 | 35 | 31 | 19 | 153 | 333 | 319 | 2239 | 550 | 1975 | 1359 | 1833 | 2309 | 3713 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | glassy | glassy | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross | off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off |
High Tide | 11:07AM1.68m | 11:33PM1.68m | 11:59AM1.65m | 00:24AM1.62m | 12:54PM1.62m | 1:14AM1.58m | 1:46PM1.61m | 2:03AM1.55m | 2:36PM1.59m | 2:51AM1.51m | 3:22PM1.58m | 3:37AM1.48m | 4:08PM1.56m | ||||||||
Low Tide | 5:23PM0.29m | 5:51AM0.28m | 6:15PM0.36m | 6:39AM0.36m | 7:08PM0.42m | 7:27AM0.42m | 8:00PM0.47m | 8:15AM0.47m | 8:50PM0.50m | 9:04AM0.48m | 9:37PM0.50m | 9:53AM0.48m | 10:23PM0.49m | ||||||||
 | |  | |  |  | | | | | |  | | | | |  |  | |  | | |
 | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 5:08 | — | — | 5:08 | — | — | 5:09 | — | — | 5:10 | — | — | 5:12 | — | — | 5:13 | — | — | 5:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | 6 | — | 1 | — |
Temp °C | 10 | 10 | 9 | 10 | 11 | 10 | 11 | 13 | 11 | 14 | 15 | 13 | 12 | 11 | 9 | 9 | 9 | 9 | 9 | 8 | 7 |
Feels °C | 8 | 8 | 5 | 8 | 9 | 8 | 7 | 9 | 7 | 9 | 10 | 9 | 6 | 3 | 1 | 4 | 5 | 4 | 2 | 1 | 3 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | S 13 | SSE 12 | S 12 | S 13 | S 12 | S 11 | ENE 4 | SSE 10 | ENE 6 | E 13 | E 12 | E 12 | S 11 | S 10 | SW 15 | ESE 13 | ESE 14 | ESE 14 | ESE 14 |
| kJ | 2203 | 1430 | 824 | 469 | 299 | 334 | 144 | 89 | 8 | 31 | 13 | 80 | 333 | 319 | 2239 | 550 | 57 | 1359 | 1833 | 1886 | 1939 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SSE 10 | ENE 6 | SSE 9 | SSE 9 | ESE 18 | SE 17 | E 12 | E 13 | — | N 10 | — | — | — |
| kJ | 95 | 97 | 66 | 43 | 42 | 20 | 23 | 23 | 35 | 14 | 17 | 16 | 32 | 77 | 172 | 408 | — | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 4 | ESE 12 | ENE 4 | SSE 12 | ESE 11 | ESE 10 | ENE 10 | ESE 11 | ESE 13 | ESE 13 | ESE 16 | ESE 15 | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 14 | 2 | 14 | 22 | 10 | 19 | 12 | 16 | 16 | 215 | 188 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NE 3 | NNW 2 | N 2 | N 3 | NE 8 | WSW 4 | SSW 6 | SSW 11 | — | SE 13 | SSE 8 | S 9 | S 10 | S 11 |
| kJ | — | — | — | — | — | — | — | 2 | 1 | 1 | 2 | 153 | 19 | 231 | 3646 | — | 1975 | 843 | 1307 | 2309 | 3713 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 48 | 9 | 36 | 949 | 82 | 4 | 0 | 97 | 71 | 93 | 0 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mahanga Beach 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 Mahanga Beach Surf forecast
The above surf forecast table for Mahanga Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mahanga Beach can be found by selecting the local surf guide option on the grey menu. Our Mahanga Beach 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 (Mahanga Beach) 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 Mahanga Beach 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.
Mahanga Beach is 43 km (27 miles) from the city of Gisborne. If you plan a holiday in Gisborne and Mahia, look for hotels and other accommodation in Gisborne. Gisborne has rooms for a wide range of budgets as well as car hire and transport links.
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