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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 6 am Thursday 04 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
18.6° C
(Which is 2.1°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 11AM is: 4.5m 11s primary swell from a South-southwest direction (forecast issued at 06:00am December 04). An open ocean swell of 0.3m 9s is not directed at the surf break, a second open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 15ft (4.5m) | 10s |
| Afternoon (04 Dec) | 16ft (5.0m) | 12s |
| Evening (04 Dec) | 15ft (4.5m) | 12s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | Sun 07 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1199 | 2964 | 4961 | 6102 | 6967 | 6508 | 5246 | 4816 | 2816 | 2314 | 1949 | 1532 | 1234 | 908 | 692 | 573 | 416 | 356 | 263 | 209 | 234 | 137 | 98 | 78 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross | cross | glass | cross | cross- off | off | off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross- off | off | cross- off |
High Tide / height (m) | 5:08AM 1.85 | 5:38PM 1.82 | 6:06AM 1.94 | 6:37PM 1.85 | 7:05AM 2.00 | 7:36PM 1.86 | ||||||||||||||||||
Low Tide / height (m) | 11:29AM 0.23 | 11:52PM 0.21 | 12:27PM 0.19 | 12:51AM 0.18 | 1:27PM 0.15 | |||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sun 07 | |||||||||||||||||||||
| Sunrise | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - |
 |  |  |  |  | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | 7 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 16 | 16 | 16 | 14 | 13 | 12 | 14 | 17 | 19 | 20 | 19 | 18 | 20 | 20 | 22 | 28 | 27 | 23 | 22 | 21 | 19 |
| Feels °C (?) | 5 | 4 | 3 | 7 | 8 | 10 | 10 | 11 | 10 | 12 | 16 | 17 | 17 | 16 | 16 | 17 | 17 | 19 | 24 | 22 | 20 | 20 | 20 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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