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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 11 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 7AM is: 2.4m 14s primary swell from a South direction (forecast issued at 11:00pm May 10). An open ocean swell of 1.0m 11s is not directed at the surf break, a second open ocean swell of 1.3m 11s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 5.5ft (1.7m) | 14s |
| Afternoon (11 May) | 10ft (3.0m) | 14s |
| Evening (11 May) | 8ft (2.5m) | 14s |
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 6mm), mostly falling on Sun night. Very mild (max 16°C on Tue afternoon, min 9°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
S 16 | S 15 | S 14 | 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 15 | S 15 | S 15 | S 14 | S 14 | S 14 | |
715 | 1804 | 2185 | 2326 | 1195 | 3072 | 3110 | 3065 | 2619 | 2215 | 1849 | 1510 | 1218 | 961 | 800 | 660 | 566 | 759 | 1675 | 2311 | 1547 | 2824 | 3728 | 3857 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | on | on | on | on | glassy | glassy | off | off | cross-off | glassy | cross-on | cross-on | on | cross-on | on | on | cross-on | on | on | on | |
High Tide | 00:12AM1.48m | 12:31PM1.40m | 1:01AM1.49m | 1:23PM1.44m | 1:51AM1.54m | 2:16PM1.51m | ||||||||||||||||||
Low Tide | 6:29AM0.35m | 6:41PM0.39m | 7:16AM0.33m | 7:33PM0.37m | 8:04AM0.31m | |||||||||||||||||||
 |  | | |  |  |  | | |  | | |  | | | | | | |  | |  | | | |
 | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — |
 | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — |
— | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 9 | 9 | 11 | 15 | 16 | 13 | 13 | 12 | 11 | 13 | 11 | 13 | 13 | 13 |
12 | 9 | 7 | 7 | 7 | 7 | 7 | 9 | 10 | 8 | 6 | 6 | 8 | 13 | 14 | 11 | 11 | 9 | 7 | 9 | 8 | 9 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | S 14 | E 11 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 16 | S 15 | S 15 | S 15 | E 9 | E 9 | E 9 |
 kJ | 364 | 351 | 297 | 242 | 1195 | 188 | 3110 | 3065 | 2619 | 2215 | 1849 | 1510 | 1218 | 961 | 800 | 660 | 566 | 723 | 1675 | 2311 | 1547 | 41 | 42 | 43 |
Swell 2 Height (m) Direction Period (s) | S 16 | ENE 11 | ENE 11 | ENE 11 | E 11 | — | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 17 | E 10 | E 9 | E 9 | E 9 | S 24 | SSW 24 | SSW 22 |
| kJ | 715 | 581 | 486 | 419 | 242 | — | 146 | 141 | 135 | 133 | 100 | 96 | 98 | 96 | 94 | 92 | 268 | 64 | 62 | 61 | 42 | 45 | 109 | 94 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 13 | E 13 | ESE 13 | E 13 | ESE 13 | ESE 12 | E 12 | S 18 | E 10 | ENE 10 | — | S 26 | S 26 | S 24 | — | — |
| kJ | — | — | — | — | — | — | — | — | 14 | 14 | 34 | 53 | 32 | 15 | 28 | 55 | 90 | 98 | — | 13 | 13 | 45 | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | S 15 | S 14 | S 14 | S 8 | S 14 | — | — | — | — | — | — | — | — | — | — | SW 4 | S 12 | S 7 | S 6 | S 6 | S 14 | S 14 | S 14 |
| kJ | 9 | 1804 | 2185 | 2326 | 478 | 3072 | — | — | — | — | — | — | — | — | — | — | 7 | 759 | 148 | 188 | 139 | 2824 | 3728 | 3857 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 89 | 79 | 79 | 79 | 91 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 3 | 3 | 9 | 9 | 9 | 93 | 157 | 89 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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