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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 am Saturday 18 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
17.4° C
(Which is normal for this time of year)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 8PM is: 0.5m 8s primary swell from a South direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 11:00am April 18). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.8m) | 9s |
| Afternoon (18 Apr) | 2ft (0.6m) | 8s |
| Evening (18 Apr) | 1.5ft (0.4m) | 8s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 8 | 8 | 8 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 4 | 5 | 5 | 5 | 5 | 5 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 103 | 74 | 51 | 35 | 22 | 12 | 11 | 11 | 7 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 10 | 13 | 15 | 13 | 9 | 9 | 11 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | glass | glass | cross- off | cross- off | cross- on | cross- on | cross- on | glass | off | off |
High Tide / height (m) | 6:19PM 1.79 | 6:46AM 1.79 | 7:13PM 1.88 | 7:41AM 1.81 | 8:06PM 1.93 | |||||||||||||||||||
Low Tide / height (m) | 12:07PM 0.19 | 12:32AM 0.17 | 1:00PM 0.16 | 1:29AM 0.15 | 1:52PM 0.14 | 2:26AM 0.13 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:36 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - |
 | | |  | |  |  | |  |  |  |  | | | | |  | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | 1 | 1 | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 13 | 3 | - |
| Temp. °C | 18 | 20 | 19 | 19 | 19 | 19 | 17 | 17 | 17 | 20 | 20 | 18 | 16 | 15 | 15 | 14 | 16 | 17 | 16 | 14 | 14 | 13 | 13 | 13 |
| Feels °C (?) | 14 | 17 | 16 | 15 | 15 | 15 | 14 | 13 | 15 | 18 | 18 | 16 | 14 | 14 | 15 | 14 | 15 | 16 | 15 | 12 | 12 | 13 | 12 | 12 |
- 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
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