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Surf Forecasts:
Blacks Reef surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 12 am Monday 08 Dec 2025 NZDTForecast 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
17.8° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 4AM is: 0.6m 10s primary swell from a South direction and 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 12:00am December 08). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 2ft (0.6m) | 10s |
| Afternoon (08 Dec) | 2ft (0.6m) | 10s |
| Evening (08 Dec) | 1.5ft (0.5m) | 9s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 95 | 74 | 71 | 70 | 70 | 68 | 44 | 43 | 41 | 41 | 25 | 24 | 23 | 41 | 64 | 132 | 171 | 168 | 158 | 190 | 184 | 184 | 139 | 130 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- on | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross | glass | cross | cross- off | off | off | off | off | off | off | cross- off | off | off |
High Tide / height (m) | 8:36PM 1.85 | 9:00AM 2.00 | 9:33PM 1.82 | 9:56AM 1.94 | 10:27PM 1.76 | 10:50AM 1.86 | ||||||||||||||||||
Low Tide / height (m) | 2:44AM 0.12 | 3:24PM 0.11 | 3:39AM 0.11 | 4:20PM 0.11 | 4:35AM 0.12 | 5:14PM 0.13 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 |
 | | |  | | | | | | | | | | | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 20 | 20 | 21 | 27 | 28 | 27 | 25 | 22 | 18 | 16 | 18 | 22 | 23 | 22 | 22 | 18 | 18 | 17 | 17 | 22 | 23 | 21 | 18 |
| Feels °C (?) | 19 | 18 | 19 | 19 | 25 | 25 | 23 | 24 | 21 | 17 | 15 | 16 | 22 | 22 | 19 | 19 | 17 | 16 | 15 | 15 | 19 | 18 | 17 | 16 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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