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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 20 Apr 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
16.6° C
(Which is slightly cooler than normal)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 3AM is: 0.9m 10s primary swell from a South-southwest direction (forecast issued at 11:00pm April 20). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 6ft (1.9m) | 10s |
| Afternoon (21 Apr) | 7.5ft (2.3m) | 10s |
| Evening (21 Apr) | 8ft (2.5m) | 10s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5 | 5 | 157 | 509 | 716 | 867 | 1060 | 1275 | 1345 | 3251 | 6192 | 7576 | 7175 | 6437 | 5230 | 3811 | 2810 | 2477 | 2143 | 1891 | 1564 | 1344 | 1067 | 938 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | cross- on | cross- on | cross | cross | cross | cross- on | on | cross- on | on | on | on | on | on | on | on | on | on | cross- on | on | on | on | on |
High Tide / height (m) | 8:06PM 1.93 | 8:37AM 1.81 | 8:59PM 1.93 | 9:34AM 1.78 | 9:55PM 1.89 | 10:30AM 1.74 | ||||||||||||||||||
Low Tide / height (m) | 2:26AM 0.13 | 2:46PM 0.13 | 3:24AM 0.11 | 3:43PM 0.12 | 4:21AM 0.11 | 4:40PM 0.12 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:43 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - |
 |  | | |  | |  | | | | |  |  | | | |  |  | | | |  |  | | |
Rain (mm) | - | 2 | 3 | 1 | 1 | 1 | - | 1 | 2 | 1 | 3 | 6 | 6 | 2 | 1 | 1 | - | 2 | 1 | - | 1 | - | 1 | 1 |
| Temp. °C | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 14 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 13 | 13 |
| Feels °C (?) | 14 | 14 | 12 | 11 | 10 | 10 | 8 | 9 | 7 | 7 | 7 | 2 | 3 | 4 | 4 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 9 |
- 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.
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