Surf Forecasts:
How big are the waves at Blacks Reef today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 6ft (1.8m), 15s period with S swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 7.5ft (2.3m), 19s period with S swell.
- Evening surf: Evening surf (20 Jul, local time) - 8ft (2.5m), 19s period with S swell.
The current surf forecast for Blacks Reef at 10AM is: 1.9m 15s primary swell from a South direction and 0.8m 12s secondary swell from a Southeast direction (forecast issued at 05:00am July 20). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 6ft (1.8m) | 15s |
| Afternoon (20 Jul) | 7.5ft (2.3m) | 19s |
| Evening (20 Jul) | 8ft (2.5m) | 19s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Very mild (max 11°C on Mon morning, min 7°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
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 | 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 16 | S 15 | S 15 | S 15 | S 19 | S 19 | S 19 | S 18 | S 17 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1938 | 1618 | 1415 | 1618 | 3752 | 4843 | 5059 | 4586 | 3882 | 3059 | 2609 | 2069 | 1699 | 1431 | 1052 | 905 | 757 | 630 | 501 | 413 | 342 | 342 | 365 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-off | off | cross-off | cross-off | cross-off | cross-on | glassy | cross | glassy | glassy |
High Tide | 10:17AM1.72m | 10:42PM1.74m | 11:07AM1.68m | 11:33PM1.68m | 11:59AM1.65m | ||||||||||||||||||
Low Tide | 4:12AM0.14m | 4:30PM0.21m | 5:02AM0.20m | 5:23PM0.29m | 5:51AM0.28m | 6:15PM0.36m | |||||||||||||||||
 | |  | |  |  |  |  | | |  | | | | | | | | | | | | | |
 | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:09 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 10 | 11 | 8 | 8 | 8 | 7 | 7 | 8 | 10 | 11 | 9 | 8 |
Feels °C | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 6 | 5 | 5 | 7 | 9 | 6 | 5 | 5 | 4 | 4 | 5 | 8 | 9 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 15 | S 19 | S 19 | S 19 | S 18 | S 17 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 1938 | 1618 | 1415 | 1618 | 3752 | 4843 | 5059 | 4586 | 3882 | 3059 | 2609 | 2069 | 1699 | 1431 | 1052 | 905 | 757 | 630 | 501 | 413 | 342 | 342 | 365 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 11 | SE 10 | SE 11 |
| kJ | 240 | 172 | 169 | 167 | 167 | 161 | 133 | 103 | 101 | 99 | 97 | 97 | 97 | 59 | 58 | 56 | 56 | 55 | 28 | 28 | 29 | 28 | 29 |
Swell 3 Height (m) Direction Period (s) | — | S 19 | S 19 | S 20 | ESE 12 | ESE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | S 13 |
| kJ | — | 354 | 434 | 369 | 174 | 169 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 14 | 3 | 9 | 9 | 14 | 12 | 6 | 3 | 3 | 3 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 0 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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