Surf Forecasts:
Blacks Reef surf forecast from 22 Sep 2026:
- Best quality surf: Tuesday 29 Sep, 4PM (local time) - 11ft (3.5m), 18s period, S swell with onshore winds.
- Most powerful swell: Tuesday 29 Sep, 4PM (local time) - 11ft (3.5m), 18s period, S swell with 7,721 kJ wave energy.
- Next surfable swell (1★+): Friday 25 Sep, 12AM (local time) - 5ft (1.6m), 8s period with S swell.
Best Forecast Surf Conditions for Blacks Reef this week:
The surf forecast for Blacks Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 25) at 12AM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.3m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Blacks Reef in the next 16 days are 3.5m 18s and forecast to arrive on Tuesday (Sep 29) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Sep 27) at 4PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 25th Sep) | 5ft (1.6m) 8s |
| Best Surf | 4PM (Tue 29th Sep) | 11ft (3.5m) 18s |
| Most Powerful | 4PM (Tue 29th Sep) | 11ft (3.5m) 18s |
Table - best surf conditions forecast for Blacks Reef over the next 16 days.
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Very mild (max 18°C on Tue afternoon, min 6°C on Thu night). Winds increasing (calm on Tue afternoon, fresh winds from the S by Wed afternoon). | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sun morning, min 7°C on Sun night). Winds increasing (calm on Sat morning, strong winds from the WSW by Sun afternoon). | |||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||||
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 10 | S 7 | S 8 | S 8 | S 9 | S 8 | S 9 | S 8 | S 9 | S 8 | S 13 | SSW 12 | SE 13 | SE 12 | SE 12 | SE 12 | SW 7 | SE 13 | S 10 | SSW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 125 | 240 | 367 | 609 | 908 | 727 | 732 | 364 | 258 | 205 | 366 | 256 | 164 | 167 | 272 | 286 | 342 | 325 | 510 | 1249 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | on | on | on | on | on | cross-off | cross-on | cross | cross | glassy | cross-off | cross-off | cross-off | cross-on | cross-on | cross | on | cross-on |
High Tide | 2:18AM1.35m | 2:46PM1.45m | 3:08AM1.35m | 3:33PM1.46m | 3:58AM1.39m | 4:21PM1.50m | 4:47AM1.45m | 5:11PM1.55m | 5:36AM1.53m | 6:00PM1.62m | 6:26AM1.62m | 6:49PM1.68m | ||||||||
Low Tide | 8:15PM0.41m | 8:29AM0.42m | 9:01PM0.38m | 9:20AM0.39m | 9:48PM0.34m | 10:11AM0.34m | 10:36PM0.31m | 10:59AM0.30m | 11:26PM0.28m | 11:46AM0.26m | 00:15AM0.25m | 12:34PM0.23m | 1:03AM0.23m | |||||||
 |  | |  | | |  |  | |  | | | |  |  |  | | | | | |
 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:52 | — | — | 6:50 | — | — | 5:48 | — | — |
 | 6:04 | — | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 7:08 | — | — | 6:09 | — |
mm | 1 | 2 | 3 | 2 | 2 | 3 | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — |
Temp °C | 18 | 10 | 10 | 9 | 9 | 9 | 10 | 8 | 12 | 12 | 10 | 14 | 14 | 14 | 17 | 11 | 9 | 13 | 13 | 12 |
Feels °C | 17 | 7 | 4 | 2 | 1 | 3 | 5 | 5 | 9 | 8 | 6 | 10 | 10 | 10 | 11 | 2 | 3 | 8 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | S 10 | SSW 18 | SE 11 | SE 11 | S 15 | SE 10 | S 8 | S 8 | S 9 | S 8 | S 13 | SSW 12 | S 12 | SE 12 | SE 12 | SE 12 | SE 13 | SSW 9 | S 10 | SSW 13 |
| kJ | 125 | 103 | 33 | 18 | 215 | 14 | 553 | 364 | 258 | 205 | 366 | 256 | 137 | 167 | 272 | 286 | 282 | 287 | 510 | 1249 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 12 | SE 11 | SE 11 | SE 10 | E 16 | SE 10 | S 16 | S 16 | S 15 | SSE 9 | SE 13 | SE 13 | S 11 | S 11 | SSW 10 | S 16 | SE 13 | SE 13 | SE 12 |
| kJ | 16 | 22 | 32 | 30 | 16 | 5 | 15 | 48 | 134 | 159 | 88 | 172 | 164 | 116 | 82 | 33 | 5 | 325 | 231 | 144 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 9 | E 11 | E 11 | — | E 16 | SE 16 | SE 10 | SE 13 | ESE 12 | SE 13 | SSE 8 | SSE 8 | ESE 16 | SE 15 | NE 9 | NE 5 | S 14 | NE 11 | NE 11 |
| kJ | 8 | 8 | 2 | 2 | — | 5 | 10 | 15 | 82 | 94 | 180 | 52 | 36 | 26 | 57 | 3 | 1 | 16 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | S 7 | S 8 | S 8 | S 9 | S 8 | S 9 | — | — | — | — | — | ENE 3 | NNE 4 | NNW 3 | WNW 4 | SW 7 | W 4 | — | W 4 |
| kJ | — | 240 | 367 | 609 | 908 | 727 | 732 | — | — | — | — | — | 3 | 8 | 7 | 42 | 342 | 12 | — | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 41 | 73 | 265 | 75 | 79 | 169 | 0 | 3 | 6 | 3 | 0 | 2 | 0 | 44 | 97 | 3 | 3 | 3 | 3 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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 Blacks 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 Blacks Reef Surf forecast
The above surf forecast table for Blacks Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Blacks Reef can be found by selecting the local surf guide option on the grey menu. Our Blacks 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 (Blacks 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 Blacks 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.
Blacks Reef is 50 km (31 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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