Surf Forecasts:
How big are the waves at Blacks Reef today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 3.5ft (1.0m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 2.5ft (0.8m), 8s period with SE swell.
- Evening surf: Evening surf (13 Aug, local time) - 1.5ft (0.5m), 9s period with SSE swell.
The current surf forecast for Blacks Reef at 7AM is: 1.0m 9s primary swell from a Southeast direction and 0.5m 10s secondary swell from a South direction (forecast issued at 11:00pm August 12). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 3.5ft (1.0m) | 9s |
| Afternoon (13 Aug) | 2.5ft (0.8m) | 8s |
| Evening (13 Aug) | 1.5ft (0.5m) | 9s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 57mm), heaviest during Fri afternoon. Very mild (max 14°C on Sat morning, min 9°C on Wed night). Wind will be generally light. | |||||||||||||||||
Thursday 13 | Friday 14 | ||||||||||||||||
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 | |
Swell Height Map |  | |  |  |  |  |  | ||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SSE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | E 7 | SE 14 |
Wave Graph  | |||||||||||||||||
 kJ | 392 | 242 | 206 | 132 | 155 | 86 | 82 | 62 | 44 | 69 | 35 | 35 | 20 | 27 | 36 | 214 | 31 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:26AM1.71m | 5:54PM1.87m | 6:24AM1.72m | 6:49PM1.87m | |||||||||||||
Low Tide | 11:18PM0.11m | 11:39AM0.06m | 00:16AM0.09m | 12:32PM0.05m | |||||||||||||
 |  | |  |  | | | | | | | | | |  | | | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | 2 | 3 | 1 | 2 | 5 | 2 | 4 | 2 | 1 | 3 | 5 | 7 | 2 | 5 |
Temp °C | 10 | 10 | 10 | 9 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 |
Feels °C | 5 | 5 | 6 | 5 | 6 | 8 | 8 | 10 | 9 | 10 | 11 | 10 | 10 | 10 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SSE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | SE 8 | ENE 6 | ESE 7 | SSE 9 | SSE 9 |
| kJ | 392 | 242 | 206 | 132 | 155 | 86 | 82 | 62 | 44 | 69 | 35 | 35 | 20 | 129 | 36 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | SE 14 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SE 8 | SE 8 | ESE 14 | SSE 8 | SSE 8 | SSE 9 | SE 7 | SSE 9 | ESE 14 | SE 14 |
| kJ | 7 | 52 | 51 | 70 | 28 | 44 | 42 | 40 | 29 | 18 | 14 | 14 | 15 | 27 | 16 | 20 | 31 |
Swell 3 Height (m) Direction Period (s) | S 16 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | SE 13 | S 16 | SE 13 | SSE 10 | ESE 14 | SSE 9 | ESE 14 | S 16 | S 15 |
| kJ | 5 | 17 | 18 | 17 | 17 | 17 | 17 | 18 | 7 | 21 | 26 | 10 | 20 | 16 | 20 | 20 | 18 |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 4 | NE 4 | NE 4 | NE 5 | NE 5 | NE 5 | NE 6 | NE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | E 7 | ENE 7 |
| kJ | 20 | 25 | 21 | 32 | 31 | 47 | 66 | 110 | 231 | 196 | 186 | 181 | 165 | 244 | 149 | 214 | 371 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 127 | 127 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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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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