Surf Forecasts:
Mahia Reef surf forecast from 2 Aug 2026:
- Best quality surf: Sunday 9 Aug, 12PM (local time) - 6.5ft (2.0m), 16s period, SSE swell with cross-offshore winds.
- Most powerful swell: Wednesday 5 Aug, 3AM (local time) - 18ft (5.5m), 13s period, S swell with 8,856 kJ wave energy.
- Next surfable swell (1★+): Saturday 8 Aug, 12PM (local time) - 6ft (1.8m), 12s period with S swell.
Best Forecast Surf Conditions for Mahia Reef this week:
The surf forecast for Mahia Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 08) at 12PM. The primary swell is predicted to be 1.8m and 12s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mahia Reef in the next 16 days are 5.5m 13s and forecast to arrive on Wednesday (Aug 05) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (Aug 09) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sat 8th Aug) | 6ft (1.8m) 12s |
| Best Surf | 12PM (Sun 9th Aug) | 6.5ft (2.0m) 16s |
| Most Powerful | 3AM (Wed 5th Aug) | 18ft (5.5m) 13s |
Table - best surf conditions forecast for Mahia Reef over the next 16 days.
Short Range ForecastModerate rain (total 18mm), heaviest on Tue morning. Very mild (max 15°C on Mon afternoon, min 5°C on Tue night). Winds increasing (light winds from the WNW on Mon morning, near gales from the SW by Tue afternoon). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed morning. Mild temperatures (max 9°C on Wed morning, min 5°C on Thu night). Winds decreasing (strong winds from the SSW on Wed morning, light winds from the W by Fri night). | ||||||||||||||||||||
Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | |||||||||||||||
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 12 | S 11 | S 11 | S 10 | SSE 11 | S 12 | S 15 | S 10 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 10 | SSE 10 | S 17 | S 15 | S 13 | S 12 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2027 | 1179 | 862 | 633 | 292 | 563 | 4618 | 4160 | 8570 | 6580 | 4366 | 2679 | 1512 | 1208 | 832 | 586 | 841 | 1610 | 1207 | 841 | 629 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross | on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | on | on | off | cross-on |
High Tide | 8:34PM1.61m | 8:57AM1.55m | 9:19PM1.63m | 9:39AM1.59m | 10:04PM1.65m | 10:22AM1.63m | 10:51PM1.66m | 11:10AM1.67m | 11:41PM1.67m | 12:04PM1.70m | 00:33AM1.67m | 1:01PM1.74m | 1:29AM1.67m | ||||||||
Low Tide | 2:15PM0.29m | 2:50AM0.27m | 3:02PM0.29m | 3:34AM0.27m | 3:49PM0.29m | 4:19AM0.27m | 4:38PM0.30m | 5:05AM0.28m | 5:29PM0.31m | 5:54AM0.28m | 6:23PM0.31m | 6:46AM0.27m | 7:22PM0.29m | ||||||||
 | |  | | |  |  | |  | |  | | |  | | | | | | | | |
 | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — |
 | — | 5:19 | — | — | 5:20 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — |
mm | — | — | — | — | — | 1 | 5 | 2 | 10 | 1 | 2 | 4 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 9 | 10 | 10 | 13 | 15 | 12 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 8 | 7 | 9 | 10 | 8 |
Feels °C | 5 | 6 | 6 | 10 | 12 | 8 | -3 | -5 | -5 | -1 | 1 | 1 | 2 | 3 | 3 | 3 | 4 | 4 | 7 | 7 | 4 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 10 | SSE 11 | S 12 | E 12 | E 12 | — | — | — | SE 16 | S 11 | S 11 | S 10 | SSE 10 | SSE 11 | S 15 | S 13 | S 12 | S 11 |
| kJ | 2027 | 1179 | 862 | 633 | 292 | 563 | 3 | 3 | — | — | — | 41 | 1512 | 1208 | 832 | 586 | 631 | 1610 | 1207 | 841 | 629 |
Swell 2 Height (m) Direction Period (s) | E 16 | SSE 15 | ENE 14 | S 22 | S 13 | S 18 | — | — | — | — | — | SE 16 | SE 15 | NE 17 | SE 13 | SE 12 | S 17 | SSE 10 | NE 14 | E 13 | SSE 15 |
| kJ | 5 | 242 | 21 | 36 | 168 | 103 | — | — | — | — | — | 41 | 35 | 12 | 88 | 152 | 841 | 394 | 7 | 3 | 21 |
Swell 3 Height (m) Direction Period (s) | NE 16 | E 15 | — | ENE 13 | SSW 9 | ENE 13 | — | — | — | — | — | — | E 18 | NE 17 | E 16 | S 13 | S 10 | NE 14 | — | S 19 | E 13 |
| kJ | 40 | 4 | — | 17 | 68 | 16 | — | — | — | — | — | — | 6 | 12 | 5 | 88 | 52 | 8 | — | 7 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 3 | — | WNW 3 | S 15 | S 10 | S 13 | S 12 | S 12 | S 12 | SSW 11 | SSW 11 | SSW 10 | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | 2 | 4618 | 4160 | 8570 | 6580 | 4366 | 2679 | 1279 | 813 | 402 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 2 | 4 | 4 | 4 | 99 | 338 | 170 | 93 | 163 | 80 | 68 | 93 | 4 | 4 | 4 | 4 | 4 | 0 | 2 |
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 Mahia Reef 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 Mahia Reef Surf forecast
The above surf forecast table for Mahia Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mahia Reef can be found by selecting the local surf guide option on the grey menu. Our Mahia Reef 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 (Mahia Reef) 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 Mahia Reef 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.
Mahia Reef is 49 km (30 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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