Mahia Spit Surf Break

Lat Long: 39.09° S 177.93° E

Mahia Spit Surf Forecast and Surf Report

Issued: 5 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mahia Spit sea temperature is
12.5° C
1.4° 

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 11 Aug 2026:

  • Best quality surf: Friday 14 Aug, 12PM (local time) - 6ft (1.8m), 7s period, NE swell with glassy winds.
  • Most powerful swell: Tuesday 18 Aug, 12PM (local time) - 6.5ft (2.0m), 12s period, SE swell with 1,092 kJ wave energy.
  • Next surfable swell (1★+): Friday 14 Aug, 9AM (local time) - 5ft (1.5m), 6s period with ENE 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 Friday (Aug 14) at 9AM. The primary swell is predicted to be 1.5m and 6s period with a secondary swell of 0.8m and 7s. Another secondary swell of 0.2m and 15s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mahia Spit in the next 16 days are 2.0m 12s and forecast to arrive on Tuesday (Aug 18) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.5m 15s period and expected on Wednesday (Aug 19) at 6AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 14th Aug)5ft (1.5m) 6s
Best Surf12PM (Fri 14th Aug)6ft (1.8m) 7s
Most Powerful12PM (Tue 18th Aug)6.5ft (2.0m) 12s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Thu morning. Very mild (max 13°C on Thu night, min 10°C on Wed night). Mainly fresh winds.

Days 4-6 Weather Summary

Moderate rain (total 13mm), heaviest on Sat night. Very mild (max 13°C on Sat morning, min 8°C on Mon morning). Winds increasing (light winds from the WSW on Sat morning, near gales from the SSW by Sun morning).

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
0
0
2
2
2
2
2
1
0
0
0
0
0
0
2
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SE
8
1.6
SE
11
1.4
SE
10
1.1
SE
9
0.9
SE
8
1.4
NE
6
1.5
ENE
6
1.2
ENE
7
2.3
ENE
8
1.8
E
8
1.6
E
8
1.5
E
8
0.9
E
8
0.8
E
8
0.5
ENE
8
0.4
E
8
0.3
E
8
0.5
E
10
2
SE
11
1.7
SE
12
0.9
ESE
12
Wave Graph
Metric surfscale
Energy kJ
182
543
369
203
100
128
181
123
638
422
307
287
107
82
39
21
12
45
984
822
251
Wind (km/h)
20
ENE
25
NE
25
NNE
20
NNE
20
NNE
30
NE
5
NNW
10
ENE
15
ENE
10
W
10
SW
35
SSW
50
SSW
50
SSW
45
SSW
45
SW
40
SW
35
SW
30
SW
35
SSW
45
SW
Wind State
on
on
cross-on
cross-on
on
on
glassy
cross-on
on
cross-off
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
off
High Tide
5:06PM1.64m
5:31AM1.53m
6:03PM1.66m
6:28AM1.54m
6:57PM1.66m
7:24AM1.54m
7:50PM1.64m
8:17AM1.54m
8:41PM1.61m
9:08AM1.52m
9:30PM1.55m
9:58AM1.49m
10:19PM1.49m
Low Tide
10:46AM0.05m
11:26PM0.09m
11:45AM0.03m
00:24AM0.06m
12:42PM0.02m
1:19AM0.04m
1:37PM0.03m
2:12AM0.03m
2:30PM0.06m
3:02AM0.05m
3:22PM0.10m
3:51AM0.09m
4:12PM0.15m
cloud
part cloud
part cloud
rain showers
part cloud
light rain
light rain
cloud
rain showers
clear
part cloud
light rain
light rain
light rain
rain showers
rain showers
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
6:56
6:54
6:54
6:52
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:27
5:28
5:29
5:30
5:30
5:31
5:32
 mm
2
1
3
4
3
2
2
4
2
Temp °C
11
11
11
11
12
13
13
13
13
13
13
13
10
9
9
9
11
11
11
12
11
Feels °C
6
5
5
7
8
8
13
12
11
11
11
10
-1
-3
-3
-2
2
2
3
4
1
  • 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 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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