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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 Thursday 14 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 1AM is: 1.8m 10s primary swell from a South direction and 0.4m 9s secondary swell from a East direction (forecast issued at 05:00pm May 14). An open ocean swell of 0.4m 9s is not directed at the surf break. 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 ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 13°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 12 | S 12 | S 11 | S 10 | S 10 | S 9 | 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 11 | S 11 | SSE 11 | |
1248 | 1186 | 859 | 650 | 587 | 481 | 417 | 737 | 1865 | 1676 | 1451 | 1352 | 1127 | 1077 | 917 | 762 | 833 | 802 | 699 | 675 | 594 | 576 | 553 | 469 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 3:10PM1.60m | 3:35AM1.68m | 4:03PM1.71m | 4:30AM1.74m | 4:58PM1.82m | 5:26AM1.80m | ||||||||||||||||||
Low Tide | 9:25PM0.31m | 9:48AM0.27m | 10:20PM0.27m | 10:45AM0.24m | 11:16PM0.22m | 11:41AM0.21m | ||||||||||||||||||
 |  |  | | |  | | |  | | | | | | | |  | | | | | |  | | |
 | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — |
 | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | 5:02 |
1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | |
Temp °C | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 13 | 13 |
8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 17 | S 16 | S 16 | E 9 | E 9 | S 15 | S 17 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 16 | S 15 | E 11 | E 10 | E 10 | S 12 | S 11 | E 10 | E 10 |
 kJ | 145 | 133 | 127 | 25 | 25 | 115 | 380 | 737 | 1865 | 1676 | 1451 | 1352 | 1127 | 1077 | 917 | 174 | 167 | 55 | 54 | 53 | 594 | 576 | 32 | 31 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | S 22 | S 22 | S 20 | E 10 | E 10 | S 23 | S 16 |
| kJ | 26 | 25 | 25 | 28 | 43 | 27 | 28 | 29 | 30 | 31 | 51 | 56 | 58 | 58 | 57 | 56 | 56 | 9 | 9 | 8 | 51 | 32 | 11 | 45 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 12 | S 20 | SSW 13 | — | — | — | — | — | — | — | S 16 | — | S 23 | S 22 | S 22 | SW 20 | S 20 | SW 20 | SSW 18 | SW 18 |
| kJ | — | — | — | — | 6 | 30 | 35 | — | — | — | — | — | — | — | 84 | — | 10 | 9 | 9 | 15 | 7 | 15 | 33 | 12 |
Wind waves Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 10 | S 10 | S 9 | S 9 | S 9 | — | — | SSW 4 | — | — | — | — | S 12 | S 12 | S 12 | S 12 | S 12 | — | — | S 11 | SSE 11 |
| kJ | 1248 | 1186 | 859 | 650 | 587 | 481 | 417 | 367 | — | — | 19 | — | — | — | — | 762 | 833 | 802 | 699 | 675 | — | — | 553 | 469 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 157 | 88 | 41 | 41 | 41 | 41 | 14 | 12 | 12 | 14 | 14 | 9 | 9 | 9 | 9 | 99 | 157 | 9 | 73 | 14 | 14 | 14 | 73 | 114 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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