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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 Saturday 09 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
15.7° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 4AM is: 0.3m 13s primary swell from a South-southwest direction (forecast issued at 11:00pm May 09). An open ocean swell of 1.5m 13s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 1ft (0.3m) | 13s |
| 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 3mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 8°C on Mon night). Mainly strong winds. | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | |
33 | 34 | 34 | 32 | 32 | 19 | 19 | 193 | 715 | 2177 | 3042 | 3408 | 3625 | 3603 | 3183 | 2774 | 2384 | 2001 | 1657 | 1370 | 1077 | 932 | 660 | 566 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-off | cross-off | cross | glassy | cross-off | cross-on | cross-on | on | on | on | on | on | on | on | glassy | cross-off | off | cross-off | cross-off | cross-on | cross-on | cross-on | |
High Tide | 11:23PM1.49m | 11:43AM1.39m | 00:12AM1.48m | 12:31PM1.40m | 1:01AM1.49m | 1:23PM1.44m | ||||||||||||||||||
Low Tide | 5:43AM0.37m | 5:52PM0.42m | 6:29AM0.35m | 6:41PM0.39m | 7:16AM0.33m | |||||||||||||||||||
 | | | |  | | | | |  | | |  |  | |  | | | | | | | |  | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — |
 | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — |
— | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 14 | 13 | 15 | 17 | 18 | 16 | 15 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 9 | 9 | 8 | 11 | 15 | 15 | 12 |
13 | 12 | 12 | 9 | 11 | 16 | 16 | 13 | 12 | 6 | 6 | 5 | 4 | 5 | 7 | 7 | 9 | 6 | 5 | 4 | 8 | 12 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 |
 kJ | 732 | 721 | 670 | 629 | 609 | 522 | 486 | 470 | 364 | 351 | 297 | 242 | 191 | 188 | 3183 | 2774 | 2384 | 2001 | 1657 | 1370 | 1077 | 932 | 660 | 566 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 16 | S 16 | — | — | ENE 11 | — | — | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 33 | 34 | 34 | 32 | 32 | 14 | 14 | 193 | 715 | — | — | 366 | — | — | 146 | 143 | 106 | 102 | 98 | 96 | 96 | 96 | 69 | 92 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | — | — | S 16 | S 16 | S 16 | S 16 | S 12 | — | — | — | — | — | — | — | — | E 13 | E 13 | E 13 | E 13 | ESE 13 | ESE 13 | E 12 | E 12 |
| kJ | 29 | — | — | 20 | 20 | 19 | 19 | 3 | — | — | — | — | — | — | — | — | 14 | 14 | 31 | 29 | 31 | 16 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | NW 3 | NW 3 | NW 3 | NW 3 | — | — | — | S 15 | S 14 | S 14 | S 14 | S 14 | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 4 | 3 | 3 | 3 | 6 | — | — | — | 2177 | 3042 | 3408 | 3625 | 3603 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 45 | 9 | 9 | 9 | 9 | 9 | 44 | 3 | 9 | 89 | 79 | 82 | 82 | 88 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 6 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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