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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 Monday 11 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 3AM is: 2.3m 13s primary swell from a South direction and 0.7m 10s secondary swell from a East direction (forecast issued at 11:00pm May 11). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 6ft (1.9m) | 13s |
| Afternoon (12 May) | 5ft (1.6m) | 13s |
| Evening (12 May) | 4.5ft (1.4m) | 12s |
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 7mm), mostly falling on Tue night. Very mild (max 16°C on Tue afternoon, min 9°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SSW by Wed afternoon). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 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 | S 14 | S 14 | S 14 | S 13 | S 13 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | |
2619 | 2215 | 1849 | 1520 | 1218 | 961 | 800 | 660 | 566 | 2002 | 1632 | 2543 | 3012 | 2853 | 3341 | 3062 | 2904 | 3183 | 3054 | 2723 | 2429 | 2099 | 1806 | 1455 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | off | cross-off | cross-off | glassy | cross-off | cross-on | glassy | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 1:01AM1.49m | 1:23PM1.44m | 1:51AM1.54m | 2:16PM1.51m | 2:42AM1.60m | 3:10PM1.60m | ||||||||||||||||||
Low Tide | 6:41PM0.39m | 7:16AM0.33m | 7:33PM0.37m | 8:04AM0.31m | 8:29PM0.34m | 8:55AM0.29m | ||||||||||||||||||
 | | | |  | | |  |  | |  | |  | | | | | |  | |  |  |  | | |
 | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — |
 | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 1 | — | — | |
Temp °C | 10 | 10 | 9 | 9 | 11 | 15 | 16 | 14 | 13 | 12 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 12 |
8 | 8 | 6 | 6 | 8 | 14 | 14 | 11 | 12 | 10 | 8 | 8 | 6 | 8 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 16 | S 15 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | S 13 | E 9 | E 9 | E 9 | S 17 |
 kJ | 2619 | 2215 | 1849 | 1520 | 1218 | 961 | 800 | 660 | 566 | 2002 | 1632 | 61 | 61 | 41 | 42 | 42 | 43 | 27 | 27 | 2723 | 26 | 26 | 26 | 137 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 16 | E 10 | E 9 | S 26 | S 26 | S 24 | SSW 24 | SSW 22 | S 22 | SE 15 | S 20 | E 9 | SSW 18 | SE 14 | SE 13 | E 9 |
| kJ | 135 | 133 | 100 | 96 | 96 | 96 | 94 | 92 | 333 | 65 | 62 | 13 | 13 | 45 | 109 | 93 | 145 | 8 | 194 | 26 | 62 | 7 | 7 | 25 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | ESE 13 | E 13 | ESE 13 | ESE 12 | S 17 | S 17 | E 10 | S 18 | — | S 26 | SE 16 | E 11 | SE 16 | SE 15 | SE 15 | — | E 9 | SSW 20 | — | — | — | — |
| kJ | 14 | 14 | 34 | 53 | 32 | 15 | 49 | 92 | 90 | 6 | — | 13 | 10 | 10 | 10 | 9 | 9 | — | 43 | 75 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 4 | SSW 6 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 14 | — | S 13 | S 12 | S 12 | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | 42 | 131 | 2543 | 3012 | 2853 | 3341 | 3062 | 2904 | 3183 | 3054 | — | 2429 | 2099 | 1806 | 1455 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 44 | 62 | 73 | 109 | 93 | 89 | 79 | 79 | 79 | 93 | 14 | 109 | 157 | 89 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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