Mahia Reef Surf Break

Lat Long: 39.09° S 177.87° E

Mahia Reef Surf Forecast and Surf Report

Issued: 5 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mahia Reef sea temperature is
12.6°C
1.1° 

Mahia Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Mahia Reef surf forecast from 1 Sep 2026:

  • Best quality surf: Wednesday 2 Sep, 12PM (local time) - 8ft (2.5m), 17s period, S swell with glassy winds.
  • Most powerful swell: Wednesday 2 Sep, 12PM (local time) - 8ft (2.5m), 17s period, S swell with 4,302 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 2 Sep, 12PM (local time) - 8ft (2.5m), 17s period with S swell.

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 Wednesday (Sep 02) at 12PM. The primary swell is predicted to be 2.5m and 17s period with a secondary swell of 1.5m and 18s. 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 2.5m 17s and forecast to arrive on Wednesday (Sep 02) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Monday (Sep 07) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Wed 2nd Sep)8ft (2.5m) 17s
Best Surf12PM (Wed 2nd Sep)8ft (2.5m) 17s
Most Powerful12PM (Wed 2nd Sep)8ft (2.5m) 17s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu afternoon, min 10°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 16°C on Sun night, min 7°C on Mon night). Winds increasing (calm on Sat morning, strong winds from the SSW by Mon afternoon).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
4
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
S
14
2.5
S
17
2.4
S
14
1.8
S
13
1.4
S
13
1
S
12
0.8
S
11
0.6
S
10
0.4
S
10
0.4
S
9
0.6
SSW
8
0.7
S
9
0.7
SSW
10
0.3
SSW
18
0.4
SSW
17
0.3
S
16
3
SSW
8
2.5
S
11
2
S
10
1.6
S
10
1.7
S
9
Wave Graph
Metric surfscale
Energy kJ
2073
4137
2346
1077
613
268
146
72
29
27
51
79
100
62
97
46
1092
1704
816
494
486
Wind (km/h)
10
NW
15
ENE
15
WNW
10
NW
5
NNE
20
WNW
20
NW
25
NW
20
W
10
WNW
10
NE
15
NW
20
NW
20
NNW
25
N
15
NW
40
SSW
25
SW
15
NNE
5
S
30
SW
Wind State
cross-on
cross-off
on
on
cross
on
cross-on
cross-on
cross-on
on
cross-off
cross-on
on
cross-on
cross-on
on
cross
cross
cross
glassy
cross-on
High Tide
9:13AM1.70m
9:40PM1.69m
9:59AM1.73m
10:30PM1.68m
10:50AM1.74m
11:22PM1.67m
11:46AM1.74m
00:17AM1.65m
12:46PM1.73m
1:15AM1.63m
1:45PM1.73m
2:15AM1.61m
2:43PM1.74m
Low Tide
3:28PM0.25m
3:52AM0.23m
4:20PM0.25m
4:42AM0.24m
5:13PM0.25m
5:34AM0.23m
6:09PM0.23m
6:29AM0.21m
7:08PM0.21m
7:26AM0.19m
8:07PM0.18m
8:26AM0.16m
9:05PM0.15m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
part cloud
cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
6:26
6:24
6:24
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:47
5:49
5:50
5:51
5:52
 mm
1
6
1
Temp °C
14
15
14
16
18
15
17
18
15
14
14
12
14
15
16
15
10
11
13
13
11
Feels °C
12
11
11
13
15
11
12
13
10
12
10
8
9
10
12
12
2
4
10
11
5
  • 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 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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