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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 5 pm Tuesday 19 May 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
15.1° C
(Which is 1.1°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 8PM is: 0.7m 9s primary swell from a South direction and 0.3m 12s secondary swell from a South-southeast direction (forecast issued at 05:00pm May 19). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 2.5ft (0.8m) | 10s |
| Evening (19 May) | 2.5ft (0.7m) | 9s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 9 | S 14 | S 13 | S 12 | S 12 | SSE 9 | S 11 | S 10 | |
117 | 110 | 81 | 79 | 101 | 90 | 58 | 55 | 55 | 40 | 36 | 31 | 19 | 17 | 10 | 9 | 15 | 17 | 13 | 11 | 11 | 16 | 21 | 19 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | off | cross-off | cross-off | cross-off | glassy | cross | glassy | glassy | |
High Tide | 7:47PM1.99m | 8:20AM1.83m | 8:44PM1.97m | 9:18AM1.80m | 9:41PM1.91m | 10:13AM1.75m | ||||||||||||||||||
Low Tide | 1:32PM0.13m | 2:10AM0.10m | 2:28PM0.09m | 3:09AM0.08m | 3:26PM0.08m | 4:06AM0.07m | ||||||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — |
 | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | 5:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 12 | 12 | 11 | 11 | 10 | 12 | 14 | 15 | 12 | 12 | 10 | 10 | 10 | 11 | 15 | 18 | 15 | 14 | 14 | 12 | 11 | 13 | 15 |
13 | 10 | 9 | 9 | 9 | 8 | 10 | 11 | 12 | 8 | 9 | 7 | 7 | 8 | 8 | 13 | 16 | 13 | 11 | 12 | 11 | 9 | 12 | 14 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | S 8 | NE 5 | NE 5 | SSE 7 | SSE 7 | NE 4 | SSE 9 | NE 5 | ENE 5 | ENE 6 | NE 5 | NE 5 | NE 5 | NE 8 |
 kJ | 117 | 110 | 81 | 79 | 101 | 90 | 58 | 55 | 55 | 40 | 36 | 17 | 10 | 17 | 10 | 5 | 15 | 11 | 18 | 20 | 14 | 7 | 7 | 16 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | E 5 | SSE 12 | E 5 | SSE 11 | E 9 | ENE 5 | E 8 | E 8 | ESE 13 | E 8 | S 8 | SSE 8 | NE 4 | NE 4 | SSE 7 | SE 12 | SSE 9 | SSE 9 | S 12 | SSE 9 | SSE 9 | S 11 | S 10 |
| kJ | 21 | 13 | 28 | 8 | 25 | 14 | 4 | 13 | 6 | 17 | 6 | 31 | 19 | 5 | 5 | 9 | 6 | 17 | 8 | 11 | 8 | 16 | 21 | 19 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SSE 12 | E 9 | ESE 14 | E 9 | ESE 14 | ESE 13 | S 14 | ESE 13 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | S 14 | S 13 | SSE 9 | S 12 | S 11 | SSE 8 | SSE 8 |
| kJ | 16 | 15 | 15 | 26 | 14 | 21 | 13 | 18 | 18 | 4 | 17 | 6 | 6 | 6 | 6 | 6 | 6 | 14 | 13 | 8 | 11 | 10 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 5 | ENE 5 | NE 5 | NE 5 | NE 4 | NE 4 | NE 3 | NE 4 | NE 4 | NE 5 | — | — | — | NE 4 | NE 4 | — | — | NW 2 | WNW 2 | — | — | — |
| kJ | — | — | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 23 | 29 | 31 | — | — | — | 9 | 4 | — | — | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 10 | 97 | 97 | 97 | 97 | 82 | 19 | 19 | 19 | 19 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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