- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 am 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
15.8° C
(Which is slightly cooler than normal)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 6PM is: 3.0m 14s primary swell from a South direction and 0.5m 9s secondary swell from a East direction, 0.3m 22s secondary swell from a South-southwest direction (forecast issued at 11:00am May 13). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 7.5ft (2.3m) | 15s |
| Afternoon (13 May) | 10ft (3.0m) | 14s |
| Evening (13 May) | 10ft (3.0m) | 13s |
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 Wed night. Very mild (max 13°C on Wed morning, min 11°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 15 | S 14 | 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 | |
2342 | 2785 | 3267 | 3466 | 2993 | 3020 | 2764 | 2494 | 1879 | 1459 | 1248 | 1076 | 859 | 663 | 535 | 492 | 427 | 628 | 1865 | 1676 | 1451 | 1214 | 1127 | 1090 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | 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 | 8:04AM0.31m | 8:29PM0.34m | 8:55AM0.29m | 9:25PM0.31m | 9:48AM0.27m | 10:20PM0.27m | ||||||||||||||||||
 | | |  |  | | |  |  |  |  | | | | | | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 |
 | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | 5:04 |
— | — | — | — | 1 | 1 | — | — | — | 1 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 |
8 | 7 | 6 | 7 | 9 | 8 | 9 | 8 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | 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 |
 kJ | 61 | 41 | 42 | 43 | 42 | 27 | 27 | 26 | 1879 | 1459 | 145 | 133 | 127 | 25 | 26 | 115 | 386 | 628 | 1865 | 1676 | 1451 | 1214 | 1127 | 1090 |
Swell 2 Height (m) Direction Period (s) | S 26 | S 24 | SSW 24 | SSW 22 | S 22 | SE 15 | 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 |
| kJ | 13 | 45 | 109 | 93 | 145 | 8 | 43 | 75 | 226 | 150 | 26 | 25 | 25 | 28 | 43 | 26 | 28 | 29 | 30 | 31 | 50 | 56 | 58 | 57 |
Swell 3 Height (m) Direction Period (s) | SE 16 | E 11 | SE 16 | SE 15 | — | — | — | E 9 | E 9 | E 9 | SE 13 | — | — | — | SE 12 | S 20 | E 10 | — | — | — | — | — | — | — |
| kJ | 10 | 21 | 10 | 9 | — | — | — | 43 | 26 | 26 | 7 | — | — | — | 6 | 30 | 48 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 15 | S 14 | 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 | — | — | — | — | — | — |
| kJ | 2342 | 2785 | 3267 | 3466 | 2993 | 3020 | 2764 | 2494 | — | — | 1248 | 1076 | 859 | 663 | 535 | 492 | 427 | 367 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 62 | 109 | 157 | 93 | 79 | 79 | 79 | 79 | 14 | 93 | 157 | 109 | 41 | 14 | 41 | 41 | 12 | 12 | 12 | 14 | 12 | 9 | 9 | 9 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Blacks Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest