Surf Forecasts:
Mahia Reef surf forecast from 31 Jul 2026:
- Best quality surf: Friday 7 Aug, 9AM (local time) - 5ft (1.5m), 17s period, S swell with glassy winds.
- Most powerful swell: Tuesday 4 Aug, 9PM (local time) - 16ft (5.0m), 14s period, S swell with 11,135 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 6PM (local time) - 5.5ft (1.7m), 11s period with SSE 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 Thursday (Aug 06) at 6PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 1.0m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mahia Reef in the next 16 days are 5.0m 14s and forecast to arrive on Tuesday (Aug 04) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Saturday (Aug 08) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 6th Aug) | 5.5ft (1.7m) 11s |
| Best Surf | 9AM (Fri 7th Aug) | 5ft (1.5m) 17s |
| Most Powerful | 9PM (Tue 4th Aug) | 16ft (5.0m) 14s |
Table - best surf conditions forecast for Mahia Reef over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Sat morning. Very mild (max 15°C on Mon afternoon, min 6°C on Sat night). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the W by Sun afternoon). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Tue morning. Very mild (max 10°C on Tue morning, min 5°C on Thu night). Winds decreasing (strong winds from the SSW on Tue afternoon, calm by Thu night). | ||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | |||||||||||||||
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) | SSW 9 | S 10 | S 13 | S 12 | S 11 | S 11 | S 10 | S 12 | S 12 | S 15 | S 15 | S 14 | S 14 | S 13 | S 12 | S 12 | S 11 | SSE 10 | S 17 | S 16 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1070 | 1778 | 3139 | 1880 | 1179 | 878 | 627 | 613 | 547 | 1511 | 9900 | 7188 | 4578 | 3397 | 2139 | 1644 | 1124 | 607 | 1326 | 4425 | 2545 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | on | glassy | cross-off | on |
High Tide | 7:50PM1.58m | 8:14AM1.51m | 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 | ||||||||
Low Tide | 1:30PM0.31m | 2:07AM0.29m | 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 | ||||||||
 |  |  |  | |  | | |  | |  | | |  | | | | | | |  | |
 | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — |
mm | 2 | — | — | — | — | — | — | — | 1 | 2 | — | 1 | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 9 | 9 | 10 | 10 | 14 | 15 | 12 | 10 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 9 | 10 | 12 |
Feels °C | 0 | 0 | 2 | 5 | 6 | 6 | 11 | 11 | 7 | 3 | -2 | -1 | 1 | 3 | 4 | 3 | 4 | 5 | 6 | 5 | 8 |
Swell 1 Height (m) Direction Period (s) | SE 16 | SE 15 | S 13 | S 12 | S 11 | S 11 | S 10 | S 12 | S 12 | S 15 | ENE 12 | S 14 | S 14 | S 13 | S 12 | S 12 | S 11 | SSE 10 | SSE 10 | S 16 | S 14 |
| kJ | 118 | 149 | 3139 | 1880 | 1179 | 878 | 627 | 613 | 547 | 1511 | 14 | 7188 | 4578 | 3397 | 2139 | 1644 | 1124 | 607 | 482 | 4425 | 2545 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | E 17 | E 10 | E 16 | SSE 15 | ENE 14 | S 21 | SSW 9 | S 18 | E 12 | — | — | — | — | NE 11 | E 18 | SSW 11 | S 11 | S 17 | SE 13 | ENE 14 |
| kJ | 37 | 6 | 8 | 5 | 242 | 21 | 36 | 90 | 99 | 3 | — | — | — | — | 5 | 6 | 486 | 88 | 1326 | 190 | 21 |
Swell 3 Height (m) Direction Period (s) | E 17 | ENE 17 | E 16 | — | E 15 | — | ENE 13 | S 20 | NE 13 | — | — | — | — | — | NE 11 | NE 11 | NE 10 | E 16 | S 10 | — | — |
| kJ | 6 | 29 | 5 | — | 4 | — | 17 | 69 | 6 | — | — | — | — | — | 5 | 5 | 4 | 5 | 204 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 9 | S 10 | — | — | — | — | NW 3 | — | SW 6 | S 7 | S 15 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1070 | 1778 | — | — | — | — | 2 | — | 54 | 298 | 9900 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 68 | 114 | 42 | 4 | 4 | 2 | 4 | 4 | 4 | 42 | 87 | 80 | 80 | 97 | 4 | 4 | 4 | 4 | 0 | 0 | 4 |
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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