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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 11 pm Tuesday 28 Apr 2026 NZSTForecast 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
15.8° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 8AM is: 0.8m 8s primary swell from a South direction (forecast issued at 11:00pm April 28). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 2.5ft (0.7m) | 8s |
| Afternoon (29 Apr) | 2ft (0.6m) | 8s |
| Evening (29 Apr) | 1.5ft (0.5m) | 8s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 20°C on Wed afternoon, min 12°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the S by Thu morning). | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 17 | S 15 | S 14 | S 6 | S 7 | S 7 | S 7 | S 8 | S 14 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | |
173 | 130 | 125 | 96 | 69 | 66 | 47 | 46 | 31 | 53 | 71 | 103 | 318 | 353 | 357 | 389 | 378 | 1891 | 2497 | 2107 | 1653 | 1214 | 905 | 653 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | glassy | off | cross-off | cross-off | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | cross-off | cross-off | cross-off | |
High Tide | 3:31AM1.55m | 4:04PM1.54m | 4:22AM1.54m | 4:53PM1.59m | 5:11AM1.55m | 5:40PM1.64m | ||||||||||||||||||
Low Tide | 9:24PM0.28m | 9:48AM0.28m | 10:18PM0.32m | 10:38AM0.34m | 11:07PM0.36m | 11:26AM0.39m | ||||||||||||||||||
 | | | |  | | | | | | |  |  |  |  | | | | | | | | | | |
 | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — |
 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:19 | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 14 | 16 | 19 | 20 | 17 | 16 | 15 | 15 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 15 | 14 | 12 |
12 | 13 | 12 | 12 | 15 | 18 | 19 | 15 | 13 | 12 | 13 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 11 | 10 | 11 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | NE 5 | S 8 | S 14 | NE 8 | NE 8 | S 13 | S 13 | S 8 | S 14 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 |
 kJ | 173 | 130 | 125 | 96 | 69 | 66 | 47 | 46 | 31 | 13 | 18 | 103 | 10 | 3 | 126 | 119 | 378 | 1891 | 2497 | 2107 | 1653 | 1214 | 905 | 653 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 11 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 5 | NE 5 | SSE 7 | S 15 | NE 5 | E 15 | E 15 | NE 8 | NE 8 | S 14 | NE 8 | NE 9 | NE 13 | NE 13 | NE 8 | NE 8 | ESE 6 |
| kJ | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 6 | 13 | 18 | 71 | 4 | 4 | 4 | 2 | 2 | 257 | 10 | 12 | 7 | 7 | 3 | 2 | 25 |
Swell 3 Height (m) Direction Period (s) | E 18 | S 24 | E 11 | S 22 | S 22 | S 21 | S 20 | S 20 | S 19 | S 17 | NE 5 | SSE 10 | NE 15 | SE 10 | E 15 | E 15 | NE 8 | NE 14 | NE 13 | NE 13 | NE 13 | E 13 | E 13 | NE 8 |
| kJ | 6 | 11 | 2 | 10 | 9 | 9 | 8 | 30 | 29 | 53 | 7 | 10 | 8 | 4 | 4 | 4 | 2 | 7 | 7 | 7 | 7 | 3 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | — | NE 4 | NE 5 | — | WNW 2 | WNW 3 | SW 8 | S 6 | S 7 | S 7 | S 7 | — | — | SE 6 | — | — | — | — | — |
| kJ | 4 | 4 | 7 | 7 | 8 | — | 9 | 29 | — | 1 | 2 | 57 | 318 | 353 | 357 | 389 | — | — | 47 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 3 | 41 | 130 | 130 | 157 | 94 | 93 | 6 | 6 | 2 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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