Blacks Reef surf break

Blacks Reef surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 12 pm Sunday 29 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
18.4° 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 Sunday (Mar 29) at 10PM. The primary swell is predicted to be 1.6m and 12s period with a secondary swell of 0.1m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Blacks Reef in the next 16 days are 3.5m 14s and forecast to arrive on Wednesday (Apr 01) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Friday (Apr 03) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 29th Mar)5ft (1.6m) 12s
Best Surf 1AM (Wed 1st Apr)11ft (3.5m) 14s
Most Powerful 1AM (Wed 1st Apr)11ft (3.5m) 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 8mm), mostly falling on Tue afternoon. Warm (max 21°C on Sun morning, min 13°C on Tue afternoon). Winds increasing (calm on Sun morning, fresh winds from the SSW by Tue morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light.

Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
2
2
1
2
0
0
!
2
2
4
4
3
3
3
2
3
2
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.7
ESE
1.6
ESE
1.5
ESE
1.2
ESE
1
SE
0.7
S
1.1
SSW
2.4
S
3.5
S
2.4
S
2.1
S
1.9
S
1.8
S
1.7
S
1.6
S
1.5
S
1.2
S
1.3
S
1
S
0.8
S
0.6
S
Period(s) (?)12121111111816714131313131312121213121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8307225463172293076695084704194213981196105791475066038956428415785
Wind
(km/h)
5
NE
15
ENE
15
NW
5
NW
10
SSW
5
NNW
20
SSW
30
S
15
S
15
S
15
S
5
W
5
W
15
E
10
N
5
NNE
20
NE
10
N
5
NNW
15
ENE
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
cross-
off
cross-
off
oncross-
off
oncross-
on
cross-
on
cross-
on
cross-
on
glassglasscross-
off
offoffcross-
off
cross-
off
glasscross-
off
cross-
off
High Tide
/ height (m)
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
7:52PM
1.67
8:10AM
1.63
8:36PM
1.71
Low Tide
/ height (m)
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
1:40PM
0.33
2:01AM
0.33
2:24PM
0.37
2:47AM
0.37
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunrise7:18--7:20--7:20--7:22--7:22--7:24--7:24--
Sunset-7:07--7:06--7:04--7:02--7:00--6:59--6:58-
part cloud
cloud
light rain
part cloud
cloud
clear
part cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
--2----51------------
Temp. °C212121212118171313141512141513181916191918
Feels °C (?)2220202121191579111211121210151513181615
  • Map Icons:
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  • 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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