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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 Friday 15 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
15.7° C
(Which is slightly cooler than normal)How big are the waves at Blacks Reef today?
The current surf forecast for Blacks Reef at 7PM is: 2.0m 14s primary swell from a South direction and 0.5m 10s secondary swell from a East direction (forecast issued at 11:00am May 15). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5ft (1.6m) | 9s |
| Afternoon (15 May) | 6.5ft (2.0m) | 15s |
| Evening (15 May) | 6ft (1.9m) | 14s |
Table - waves today at Blacks Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sat morning. Very mild (max 14°C on Sun morning, min 11°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 9 | 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 | S 12 | S 12 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | |
417 | 737 | 1865 | 1676 | 1451 | 1352 | 1127 | 1077 | 715 | 584 | 738 | 819 | 699 | 687 | 678 | 666 | 651 | 629 | 622 | 531 | 432 | 410 | 349 | 294 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 4:03PM1.71m | 4:30AM1.74m | 4:58PM1.82m | 5:26AM1.80m | 5:54PM1.91m | |||||||||||||||||||
Low Tide | 9:48AM0.27m | 10:20PM0.27m | 10:45AM0.24m | 11:16PM0.22m | 11:41AM0.21m | 00:13AM0.18m | ||||||||||||||||||
 | | |  | |  | | |  |  | | |  | |  | | |  | | | | | | | |
 | 7:03 | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 |
 | — | — | 5:05 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | 5:01 |
— | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 | |
Temp °C | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 12 |
8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 9 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 17 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 15 | E 11 | E 10 | E 10 | S 12 | E 10 | E 10 | E 10 | E 10 | S 16 | S 16 | SSE 10 | SSE 10 | SSE 10 |
 kJ | 380 | 737 | 1865 | 1676 | 1451 | 1352 | 1127 | 1077 | 715 | 584 | 167 | 55 | 54 | 53 | 678 | 32 | 32 | 31 | 31 | 76 | 132 | 410 | 349 | 294 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | S 16 | E 11 | S 22 | S 22 | ENE 10 | E 10 | S 19 | S 23 | S 16 | S 16 | E 10 | E 10 | S 17 | S 16 | S 16 |
| kJ | 28 | 29 | 30 | 31 | 50 | 56 | 58 | 57 | 57 | 174 | 56 | 9 | 9 | 62 | 51 | 7 | 11 | 48 | 77 | 31 | 30 | 143 | 125 | 121 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | E 10 | — | — | — | — | — | — | S 16 | E 11 | S 23 | S 22 | — | S 20 | S 20 | S 24 | SW 18 | S 22 | S 21 | S 20 | — | E 10 | E 10 | E 10 |
| kJ | 35 | 49 | — | — | — | — | — | — | 84 | 56 | 10 | 9 | — | 8 | 7 | 11 | 12 | 9 | 36 | 67 | — | 30 | 30 | 29 |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | — | — | — | — | — | SSW 4 | S 4 | S 5 | S 12 | S 12 | S 12 | S 12 | — | S 12 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 10 | — | — | — |
| kJ | 417 | 367 | — | — | — | — | — | 13 | 31 | 38 | 738 | 819 | 699 | 687 | — | 666 | 651 | 629 | 622 | 531 | 432 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 9 | 12 | 14 | 14 | 9 | 9 | 9 | 9 | 99 | 157 | 9 | 14 | 14 | 41 | 79 | 93 | 157 | 157 | 93 | 88 | 6 | 6 | 3 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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