Mahia Spit Surf Break

Lat Long: 39.09° S 177.93° E

Mahia Spit Surf Forecast and Surf Report

Issued: 11 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mahia Spit sea temperature is
12.6°C
1.0° 

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


Mahia Spit surf forecast from 29 Aug 2026:

  • Best quality surf: Sunday 30 Aug, 3PM (local time) - 1.5ft (0.5m), 9s period, NE swell with offshore winds.
  • Most powerful swell: Sunday 30 Aug, 9PM (local time) - 2.5ft (0.8m), 9s period, NE swell with 93 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 3PM (local time) - 1.5ft (0.5m), 9s period with NE swell.

Best Forecast Surf Conditions for Mahia Spit this week:

The surf forecast for Mahia Spit over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 3PM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.5m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mahia Spit in the next 16 days are 0.8m 9s and forecast to arrive on Sunday (Aug 30) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 12s period and expected on Tuesday (Sep 01) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sun 30th Aug)1.5ft (0.5m) 9s
Best Surf 3PM (Sun 30th Aug)1.5ft (0.5m) 9s
Most Powerful 9PM (Sun 30th Aug)2.5ft (0.8m) 9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sat afternoon. Very mild (max 17°C on Sat morning, min 12°C on Sat night). Mainly strong winds.

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Tue morning. Very mild (max 18°C on Thu afternoon, min 8°C on Tue morning). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the WNW by Tue night).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
NE
6
1
NNE
6
0.8
NE
6
0.6
ENE
6
0.5
NE
9
0.7
NE
9
0.6
ENE
9
0.7
NE
9
0.4
ENE
9
0.4
NE
10
0.4
NE
10
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
2.5
S
16
0.2
ENE
10
0.2
ENE
10
0.2
ENE
11
0.2
ENE
11
0.2
NNE
4
1.6
SW
10
Wave Graph
Metric surfscale
Energy kJ
35
72
40
26
38
79
52
73
30
24
23
9
9
8
0
10
10
11
11
2
0
Wind (km/h)
20
N
20
N
20
NNE
10
WSW
20
SW
25
WSW
10
W
10
WNW
40
WNW
30
SSW
35
SW
15
WNW
10
NW
10
NE
30
WNW
20
NW
20
WNW
25
NW
15
WNW
25
WNW
15
SSW
Wind State
cross-on
cross-on
cross-on
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
on
cross-off
cross
cross-off
cross
cross-off
cross-off
off
High Tide
6:42PM1.45m
7:03AM1.37m
7:25PM1.47m
7:48AM1.41m
8:09PM1.49m
8:34AM1.45m
8:54PM1.49m
9:20AM1.48m
9:41PM1.50m
10:09AM1.50m
10:30PM1.49m
11:00AM1.52m
11:23PM1.48m
Low Tide
12:29PM0.23m
1:01AM0.22m
1:15PM0.20m
1:46AM0.18m
2:02PM0.19m
2:30AM0.16m
2:48PM0.17m
3:14AM0.14m
3:36PM0.17m
4:01AM0.13m
4:26PM0.17m
4:50AM0.13m
5:18PM0.17m
light rain
light rain
light rain
clear
clear
clear
clear
clear
part cloud
mod rain
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
6:33
6:31
6:30
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:44
5:45
5:45
5:46
5:47
 mm
1
2
1
6
1
Temp °C
17
16
14
14
16
14
13
15
14
9
9
9
11
13
13
17
18
16
19
19
16
Feels °C
14
12
10
10
11
10
10
12
6
2
2
4
8
9
6
12
14
12
14
14
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Mahia Spit Surf forecast

The above surf forecast table for Mahia Spit provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mahia Spit can be found by selecting the local surf guide option on the grey menu. Our Mahia Spit 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 Spit) 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 Spit 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 Spit is 48 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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