Mahia Reef surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 12 am Sunday 29 Mar 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Mahia Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahia Reef sea temperature is
18.3° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Mahia Reef this week:

The surf forecast for Mahia Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 29) at 10AM. The primary swell is predicted to be 1.6m and 12s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mahia Reef in the next 16 days are 3.0m 14s and forecast to arrive on Wednesday (Apr 01) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Tuesday (Mar 31) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 29th Mar)5ft (1.6m) 12s
Best Surf 7AM (Wed 1st Apr)8ft (2.5m) 13s
Most Powerful 1AM (Wed 1st Apr)10ft (3.0m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Tue afternoon. Warm (max 21°C on Sat night, min 14°C on Tue afternoon). Winds increasing (calm on Sun morning, fresh winds from the SSE by Tue afternoon).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Tue night. Very mild (max 17°C on Fri afternoon, min 11°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the NE by Fri afternoon).

Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sat
04
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
2
1
0
0
1
0
0
0
3
2
3
3
3
3
1
2
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
SE
1.6
ESE
1.6
ESE
1.5
ESE
1.1
SE
1
ESE
0.7
S
0.8
S
0.7
S
3
S
2.3
S
2
S
1.8
S
1.7
S
1.7
S
1.7
S
1.5
S
1.6
S
1.3
S
1.1
S
0.9
S
Period(s) (?)121212111111181616141313131313121313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)59774672254630324231133423638151780130511411018972860715862556353220
Wind
(km/h)
15
W
0
NNE
15
ENE
15
NNW
10
NNW
10
SSE
10
NNW
20
SSW
35
SSE
20
SSE
15
SSE
15
S
5
SW
5
W
10
E
15
N
10
NNE
25
NE
20
N
10
N
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscross-
off
cross-
on
cross-
on
cross-
off
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
glassglassoffcrosscrosscross-
off
crosscrosscross-
off
High Tide
/ height (m)
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
7:52PM
1.67
8:10AM
1.63
Low Tide
/ height (m)
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
1:40PM
0.33
2:01AM
0.33
2:24PM
0.37
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sat
04
Sunrise-7:18--7:20--7:20--7:20--7:22--7:22--7:24-
Sunset--7:07--7:05--7:04--7:01--7:00--6:59--6:58
part cloud
part cloud
cloud
rain showers
rain showers
rain showers
clear
part cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---111--32-----------
Temp. °C212020211919181715141414131415141617151919
Feels °C (?)20201819191818149101110111313111312101615
  • 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 Mahia Reef Surf forecast

The above surf forecast table for Mahia Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mahia Reef can be found by selecting the local surf guide option on the grey menu. Our Mahia 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 (Mahia 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 Mahia 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.

Mahia Reef is 49 km (30 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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