Surf Forecasts:
How big are the waves at Blacks Reef today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 7.5ft (2.3m), 13s period with S swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 7ft (2.2m), 8s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 8s period with S swell.
The current surf forecast for Blacks Reef at 4PM is: 2.1m 8s primary swell from a South direction and 1.9m 8s secondary swell from a South direction, 1.0m 9s secondary swell from a Southeast direction (forecast issued at 11:00am August 20). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 7.5ft (2.3m) | 13s |
| Afternoon (20 Aug) | 7ft (2.2m) | 8s |
| Evening (20 Aug) | 5.5ft (1.7m) | 8s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 8°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 | 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) | S 13 | S 8 | S 8 | S 8 | S 8 | S 8 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1890 | 744 | 675 | 552 | 390 | 390 | 438 | 342 | 1672 | 1456 | 1402 | 1225 | 643 | 649 | 591 | 485 | 400 | 393 | 319 | 303 | 237 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | cross-on | cross | cross | cross-off | glassy | glassy | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 11:22AM1.67m | 11:48PM1.62m | 12:14PM1.62m | 00:35AM1.57m | 1:06PM1.58m | ||||||||||||||||
Low Tide | 5:41PM0.40m | 6:03AM0.41m | 6:30PM0.44m | 6:49AM0.45m | 7:20PM0.47m | ||||||||||||||||
 |  | |  | | | |  | |  | | | | | | | | | | | | |
 | 6:48 | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — |
 | — | — | 5:35 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 11 | 11 | 9 | 9 | 9 | 9 | 8 | 10 | 12 | 12 | 10 | 10 | 9 | 8 | 8 | 11 | 14 | 17 | 14 | 13 |
Feels °C | 4 | 6 | 7 | 6 | 7 | 7 | 7 | 6 | 8 | 11 | 9 | 6 | 7 | 6 | 5 | 5 | 8 | 11 | 15 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | SE 9 | S 13 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 16 | S 16 | S 16 | S 15 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 |
| kJ | 238 | 335 | 489 | 438 | 390 | 390 | 311 | 291 | 1672 | 1456 | 1402 | 1225 | 643 | 649 | 591 | 485 | 400 | 393 | 319 | 303 | 237 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 13 | SE 9 | ESE 9 | SE 9 | ESE 9 | S 17 | S 13 | SE 10 | SE 10 | SE 10 | SE 10 | S 16 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 13 | ESE 13 |
| kJ | 235 | 7 | 145 | 145 | 112 | 101 | 438 | 215 | 104 | 122 | 102 | 76 | 313 | 59 | 41 | 21 | 20 | 19 | 7 | 18 | 17 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | S 13 | S 12 | S 12 | S 17 | SE 9 | S 16 | ESE 10 | — | — | — | SE 10 | S 16 | NNE 3 | E 15 | E 15 | E 14 | ESE 14 | — | E 14 |
| kJ | 18 | 18 | 209 | 153 | 110 | 204 | 79 | 342 | 138 | — | — | — | 74 | 129 | 2 | 4 | 4 | 4 | 19 | — | 4 |
Wind waves Height (m) Direction Period (s) | S 13 | S 8 | S 8 | S 8 | — | — | — | — | — | — | — | — | NE 3 | NNE 3 | — | NW 3 | NW 3 | — | — | NNE 3 | NW 3 |
| kJ | 1890 | 744 | 675 | 552 | — | — | — | — | — | — | — | — | 2 | 4 | — | 2 | 3 | — | — | 1 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 44 | 91 | 9 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 33 | 33 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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