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Blacks Reef Surf Forecast
/ Gisborne and Mahia (37 surf breaks) /
Surf Forecasts:
Blacks Reef surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 5 pm Sunday 10 May 2026 NZSTForecast update in hr min s Forecast update imminent
Blacks Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Blacks Reef sea temperature is
15.8° C
(Which is slightly cooler than normal)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 10PM is: 1.2m 16s primary swell from a South direction and 1.2m 11s secondary swell from a East direction, 0.8m 4s secondary swell from a Southwest direction (forecast issued at 05:00pm May 10). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | - | - |
| Afternoon (10 May) | 0.5ft (0.2m) | 16s |
| Evening (10 May) | 4ft (1.2m) | 16s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 8°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 16 | S 15 | S 15 | S 15 | |
19 | 193 | 715 | 1804 | 2391 | 2959 | 918 | 3861 | 3278 | 3020 | 2581 | 2182 | 1838 | 1533 | 1237 | 961 | 787 | 660 | 556 | 657 | 1565 | 2697 | 1879 | 3314 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | cross-on | on | on | on | on | on | on | glassy | cross-off | off | cross-off | cross-off | glassy | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 00:12AM1.48m | 12:31PM1.40m | 1:01AM1.49m | 1:23PM1.44m | 1:51AM1.54m | |||||||||||||||||||
Low Tide | 5:52PM0.42m | 6:29AM0.35m | 6:41PM0.39m | 7:16AM0.33m | 7:33PM0.37m | 8:04AM0.31m | ||||||||||||||||||
 |  |  |  | | |  |  | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — |
 | 5:09 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | 5:07 |
— | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 18 | 17 | 16 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 9 | 9 | 8 | 11 | 15 | 16 | 13 | 13 | 12 | 11 | 11 | 11 | 13 |
17 | 12 | 12 | 7 | 6 | 6 | 7 | 6 | 7 | 7 | 9 | 6 | 6 | 5 | 8 | 13 | 14 | 11 | 12 | 10 | 8 | 8 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 12 | E 11 | E 11 | E 11 | E 11 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 16 | S 16 | E 9 | S 15 | E 9 |
 kJ | 486 | 470 | 364 | 351 | 297 | 242 | 918 | 3247 | 3278 | 3020 | 2581 | 2182 | 1838 | 1533 | 1237 | 961 | 787 | 660 | 556 | 521 | 1565 | 61 | 1879 | 27 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | S 16 | S 16 | ENE 11 | ENE 11 | ENE 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | S 26 | E 9 | ESE 11 |
| kJ | 14 | 193 | 715 | 581 | 486 | 366 | 191 | 188 | 146 | 143 | 104 | 102 | 100 | 98 | 98 | 96 | 94 | 94 | 90 | 64 | 62 | 13 | 42 | 12 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 12 | — | — | — | — | — | — | — | — | E 13 | E 13 | ESE 13 | E 13 | ESE 13 | ESE 12 | E 12 | S 18 | S 17 | SE 18 | SE 17 | S 26 | S 26 | S 24 |
| kJ | 19 | 3 | — | — | — | — | — | — | — | — | 14 | 14 | 34 | 53 | 34 | 15 | 28 | 54 | 197 | 12 | 11 | 13 | 13 | 45 |
Wind waves Height (m) Direction Period (s) | — | — | SW 4 | S 15 | S 14 | S 14 | S 8 | S 14 | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 6 | S 15 | S 7 | S 15 |
| kJ | — | — | 16 | 1804 | 2391 | 2959 | 783 | 3861 | — | — | — | — | — | — | — | — | — | — | — | 657 | 143 | 2697 | 208 | 3314 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 49 | 9 | 89 | 79 | 82 | 79 | 91 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 3 | 9 | 9 | 9 | 82 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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