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Surf Forecasts:

Blacks Reef surf break

Blacks Reef surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 6 pm Sunday 15 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
18.7° 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 15) at 10PM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.8m and 6s. Another secondary swell of 0.6m and 8s is also forecast. Another secondary swell of 0.6m and 6s is also forecast. 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 9s and forecast to arrive on Friday (Mar 20) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Mar 16) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 15th Mar)1.5ft (0.5m) 11s
Best Surf 7AM (Mon 16th Mar)4.5ft (1.3m) 17s
Most Powerful10PM (Fri 20th Mar)8ft (2.5m) 9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 21°C on Mon morning, min 13°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Thu morning. Warm (max 20°C on Wed afternoon, min 15°C on Thu night). Wind will be generally light.

Sun
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
4
2
3
3
2
2
1
0
1
0
0
0
1
2
3
2
2
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SSE
1
S
1.3
S
1.2
S
1.2
S
1.1
S
1.1
S
0.9
S
0.7
S
0.6
S
0.4
SSW
0.5
S
0.5
S
1
E
1.8
E
2.3
E
2.5
SE
2.3
SE
2.1
SE
1.8
SE
1.8
SE
Period(s) (?)111417171615131211111012117101098889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8237710158007345814272321198333676088575956988737588482503
Wind
(km/h)
10
SE
15
NNE
15
NNE
20
NE
10
NNW
5
W
15
E
15
NNE
15
NNE
20
NE
5
NW
10
SSW
5
SSW
10
WSW
15
WSW
15
SW
10
S
10
SE
15
SE
5
NE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		offoffcross-
off		cross-
off		glasscross-
off		offoffcross-
off		cross-
off		ononcross-
on		cross-
on		ononcross-
on		crossoffoff
High Tide
/ height (m)
4:00AM
1.48
4:23PM
1.38
4:49AM
1.50
5:14PM
1.43
5:40AM
1.55
6:05PM
1.49
6:32AM
1.62
6:57PM
1.57
7:22AM
1.68
7:48PM
1.66
8:12AM
1.74
8:38PM
1.75
9:03AM
1.77
Low Tide
/ height (m)
9:43PM
0.40
10:17AM
0.35
10:36PM
0.35
11:06AM
0.30
11:28PM
0.29
11:56AM
0.26
12:17AM
0.23
12:48PM
0.22
1:06AM
0.19
1:38PM
0.18
1:56AM
0.17
2:27PM
0.16
2:48AM
0.16
Sun
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise--7:05--7:07--7:07--7:09--7:09--7:11--7:11
Sunset7:29--7:28--7:25--7:24--7:22--7:21--7:20--
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
cloud
part cloud
cloud
part cloud
rain showers
rain showers
cloud
part cloud
clear
Rain (mm)
-----------1----11---
Temp. °C171421211718181621201717181717181618181519
Feels °C (?)151218171517171319171717191816171617161417
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Blacks Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Blacks Reef at:
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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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