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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 Wednesday 13 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
15.6° C
(Which is slightly cooler than normal)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 1AM is: 3.0m 14s primary swell from a South direction and 0.4m 9s secondary swell from a East direction (forecast issued at 05:00pm May 13). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 8ft (2.4m) | 13s |
| Afternoon (14 May) | 7ft (2.1m) | 12s |
| Evening (14 May) | 6ft (1.9m) | 11s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Wed afternoon. Very mild (max 13°C on Wed afternoon, min 11°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 14 | S 14 | S 13 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 9 | S 9 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | |
3267 | 3491 | 2993 | 3020 | 2764 | 2494 | 1879 | 1462 | 1248 | 1076 | 859 | 663 | 600 | 492 | 417 | 737 | 1865 | 1509 | 1447 | 1210 | 1127 | 976 | 932 | 759 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 2:16PM1.51m | 2:42AM1.60m | 3:10PM1.60m | 3:35AM1.68m | 4:03PM1.71m | 4:30AM1.74m | ||||||||||||||||||
Low Tide | 8:29PM0.34m | 8:55AM0.29m | 9:25PM0.31m | 9:48AM0.27m | 10:20PM0.27m | 10:45AM0.24m | ||||||||||||||||||
 |  |  | |  |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — |
 | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | 5:04 |
1 | — | 1 | 1 | 1 | — | — | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 |
7 | 7 | 9 | 9 | 7 | 7 | 10 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | S 13 | S 12 | S 17 | S 16 | S 16 | E 9 | E 9 | S 15 | S 17 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | E 11 | S 16 |
 kJ | 42 | 42 | 42 | 27 | 27 | 26 | 1879 | 1462 | 145 | 133 | 127 | 25 | 25 | 115 | 380 | 737 | 1865 | 1509 | 1447 | 1210 | 1127 | 976 | 56 | 176 |
Swell 2 Height (m) Direction Period (s) | SSW 24 | SSW 22 | S 22 | E 9 | E 9 | SSW 20 | S 18 | S 18 | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | S 16 | E 11 |
| kJ | 109 | 93 | 145 | 44 | 43 | 75 | 226 | 150 | 26 | 25 | 25 | 47 | 43 | 27 | 28 | 29 | 30 | 31 | 51 | 56 | 58 | 57 | 129 | 56 |
Swell 3 Height (m) Direction Period (s) | SE 16 | SE 15 | — | SE 15 | E 9 | E 9 | E 9 | E 9 | — | — | — | — | S 20 | S 20 | SSW 13 | — | — | — | — | — | — | — | — | ENE 11 |
| kJ | 10 | 9 | — | 8 | 43 | 43 | 26 | 26 | — | — | — | — | 31 | 30 | 35 | — | — | — | — | — | — | — | — | 90 |
Wind waves Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 14 | S 13 | S 13 | — | — | S 12 | S 12 | S 11 | S 10 | S 10 | S 9 | S 9 | S 9 | — | — | — | — | — | — | S 13 | S 12 |
| kJ | 3267 | 3491 | 2993 | 3020 | 2764 | 2494 | — | — | 1248 | 1076 | 859 | 663 | 600 | 492 | 417 | 311 | — | — | — | — | — | — | 932 | 759 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 157 | 114 | 79 | 79 | 79 | 79 | 14 | 14 | 157 | 103 | 41 | 14 | 41 | 41 | 14 | 12 | 12 | 14 | 14 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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