Blacks Reef surf break

Blacks Reef surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 6 pm Friday 27 Mar 2026 NZDT
Forecast 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
18.5° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Blacks Reef this week:

The surf forecast for Blacks Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 28) at 1AM. The primary swell is predicted to be 2.0m and 8s period with a secondary swell of 0.1m and 15s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Blacks Reef in the next 16 days are 2.5m 14s and forecast to arrive on Wednesday (Apr 01) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Saturday (Mar 28) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 28th Mar)6.5ft (2.0m) 8s
Best Surf 1AM (Sat 4th Apr)5ft (1.6m) 16s
Most Powerful 4AM (Wed 1st Apr)8ft (2.5m) 14s

Table - best surf conditions forecast for Blacks Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sun night. Warm (max 25°C on Sat afternoon, min 17°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 20mm), heaviest during Wed morning. Warm (max 21°C on Mon afternoon, min 15°C on Wed morning). Wind will be generally light.

Fri
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
3
2
2
2
3
3
2
2
1
3
3
2
3
3
3
3
3
2
3
3
Swell
Height Map
Wave Height (m) & direction (?)
0.1
S
2
E
1.8
E
1.3
ESE
1.4
SE
1.6
SE
1.7
ESE
1.4
SE
1.1
SE
1
SE
1.1
SSW
0.8
S
0.7
S
2.5
S
2.4
S
2
S
1.7
S
1.5
S
1.4
S
1.4
S
1.2
S
Period(s) (?)2089101212121111111916161414131213131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7546476314597718761455303229911347239275322611380888746640581400
Wind
(km/h)
30
NE
20
NNE
15
N
10
NNE
10
W
5
NNE
15
NE
10
NW
15
NNE
10
SW
10
SSW
5
S
15
ESE
20
ENE
20
ENE
20
ENE
20
NE
15
NNE
20
NE
10
N
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcrossoffoffcross-
off
offononglasscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
offcross-
off
High Tide
/ height (m)
2:08AM
1.71
2:36PM
1.58
3:05AM
1.68
3:34PM
1.55
4:00AM
1.65
4:30PM
1.53
4:53AM
1.63
5:24PM
1.54
5:45AM
1.61
6:16PM
1.57
6:35AM
1.61
7:05PM
1.62
7:23AM
1.62
Low Tide
/ height (m)
7:49PM
0.16
8:29AM
0.16
8:47PM
0.17
9:25AM
0.16
9:45PM
0.18
10:20AM
0.18
10:42PM
0.19
11:13AM
0.21
11:36PM
0.22
12:04PM
0.24
12:26AM
0.25
12:53PM
0.28
1:14AM
0.29
Fri
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Sunrise--7:18--7:18--7:20--7:20--7:22--7:22--7:24
Sunset7:09--7:08--7:07--7:06--7:04--7:02--7:00--
part cloud
part cloud
clear
clear
clear
cloud
cloud
light rain
clear
part cloud
part cloud
rain showers
part cloud
mod rain
mod rain
light rain
rain showers
part cloud
cloud
cloud
part cloud
Rain (mm)
-------2---2-7731----
Temp. °C191824252121212021211817171616151619181719
Feels °C (?)151724242021201919211918161414121518151518
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Blacks Reef Surf forecast

The above surf forecast table for Blacks Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Blacks Reef can be found by selecting the local surf guide option on the grey menu. Our Blacks Reef surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Blacks Reef) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Blacks Reef may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Blacks Reef is 50 km (31 miles) from the city of Gisborne. If you plan a holiday in Gisborne and Mahia, look for hotels and other accommodation in Gisborne. Gisborne has rooms for a wide range of budgets as well as car hire and transport links.

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