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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 am Sunday 31 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
14.8° C
(Which is slightly cooler than normal)How big are the waves at Blacks Reef today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3ft (0.9m), 11s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.7m), 11s period with S swell.
The current surf forecast for Blacks Reef at 8PM is: 0.7m 11s primary swell from a South direction and 0.1m 15s secondary swell from a South direction (forecast issued at 11:00am May 31). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.1m) | 11s |
| Afternoon (31 May) | 3ft (0.9m) | 11s |
| Evening (31 May) | 2.5ft (0.7m) | 11s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Very mild (max 19°C on Mon morning, min 14°C on Sun morning). Winds decreasing (fresh winds from the NNE on Tue morning, light winds from the NW by Tue night). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | SSE 10 | S 10 | SSW 15 | S 15 | S 14 | S 14 | S 13 | S 12 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | |
298 | 233 | 185 | 144 | 108 | 75 | 50 | 33 | 30 | 44 | 38 | 37 | 15 | 14 | 12 | 16 | 4 | 4 | 3 | 3 | 3 | 12 | 11 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross | |
High Tide | 5:58PM1.66m | 6:15AM1.56m | 6:42PM1.67m | 6:58AM1.55m | 7:23PM1.66m | |||||||||||||||||||
Low Tide | 11:46AM0.49m | 00:12AM0.49m | 12:28PM0.49m | 00:55AM0.49m | 1:08PM0.48m | 1:39AM0.47m | ||||||||||||||||||
 | | |  |  | | | |  |  | |  | | | | |  | | |  | | | | | |
 | 7:16 | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 |
 | — | — | 4:54 | — | — | — | — | — | — | — | 4:53 | — | — | — | — | — | — | — | 4:53 | — | — | — | — | 4:53 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 5 | 1 | — | — | — | — | |
Temp °C | 14 | 17 | 18 | 16 | 15 | 16 | 15 | 16 | 16 | 19 | 18 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 16 | 15 | 15 |
11 | 14 | 15 | 13 | 12 | 13 | 12 | 13 | 13 | 16 | 15 | 14 | 13 | 13 | 14 | 13 | 12 | 14 | 15 | 16 | 15 | 15 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | SSE 10 | S 10 | SSW 15 | S 15 | S 14 | S 14 | S 13 | S 12 | S 14 | S 12 | S 14 | S 13 | S 13 | ENE 9 | ENE 10 | ENE 11 | ENE 10 |
 kJ | 298 | 233 | 185 | 144 | 108 | 75 | 50 | 33 | 30 | 44 | 38 | 37 | 15 | 14 | 12 | 16 | 3 | 4 | 3 | 3 | 495 | 472 | 561 | 490 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | E 10 | NE 10 | S 15 | S 15 | S 15 | S 15 | S 15 | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 15 | S 14 | — | — | — | S 13 | S 12 | S 12 | S 12 |
| kJ | 4 | 4 | 2 | 4 | 4 | 18 | 18 | 18 | 18 | 17 | 6 | 7 | 2 | 2 | 2 | 4 | 4 | — | — | — | 3 | 12 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | E 8 | NE 8 | — | NE 10 | NE 11 | NE 10 | NE 10 | SSW 12 | NE 10 | S 15 | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 12 | S 15 |
| kJ | 1 | 2 | — | 4 | 4 | 4 | 4 | 15 | 4 | 39 | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | NE 4 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 8 | NE 7 | ENE 7 | NE 7 | NE 7 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 9 | NE 9 | — | — | — |
| kJ | 9 | 8 | 12 | 49 | 54 | 43 | 43 | 47 | 63 | 109 | 198 | 318 | 297 | 211 | 313 | 393 | 515 | 716 | 699 | 601 | 1040 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 45 | 46 | 274 | 208 | 62 | 41 | 10 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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