Mahia Spit surf break

Mahia Spit surfForecast / Gisborne and Mahia / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Sunday 30 Nov 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Mahia Spit surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahia Spit sea temperature is
18.1° C
(Which is 1.8°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Mahia Spit this week:

The surf forecast for Mahia Spit over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 01) at 1PM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.3m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mahia Spit in the next 12 days are 1.6m 10s and forecast to arrive on Monday (Dec 01) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Thursday (Dec 04) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Mon 1st Dec)3.5ft (1.0m) 10s
Best Surf 1PM (Mon 1st Dec)3.5ft (1.0m) 10s
Most Powerful 1AM (Mon 1st Dec)5ft (1.6m) 10s

Table - best surf conditions forecast for Mahia Spit over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Tue night. Warm (max 24°C on Sun afternoon, min 17°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Wed afternoon. Very mild (max 19°C on Wed morning, min 14°C on Thu night). Winds increasing (calm on Wed afternoon, strong winds from the SW by Thu morning).

Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
1
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
E
0.9
ENE
1.6
NE
1.1
E
1
E
0.9
E
0.8
E
1.3
ENE
0.7
E
0.6
E
1.3
NE
0.5
E
0.4
E
0.4
ENE
0.4
NE
0.2
E
0.4
NE
0.1
NE
0.3
E
0.3
ENE
0.9
SE
Period(s) (?)991010101010999699999816899
Wave
Graph
(?)Metric surfscale
Energy kJ (?)165135520265202164122272816111240243128718101215115
Wind
(km/h)
20
NNE
25
N
20
N
15
W
20
E
0
ENE
15
NE
25
NE
20
NNE
20
NNE
5
ENE
20
WSW
45
SW
40
SSW
25
SW
5
NE
25
NE
10
NW
5
S
15
ENE
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
off
cross-
on
glassononcross-
on
onglassoffoffoffoffglassoncrosscross-
off
cross-
on
cross
High Tide
/ height (m)
1:54PM
1.43
2:27AM
1.36
2:48PM
1.45
3:24AM
1.42
3:46PM
1.49
4:22AM
1.51
4:44PM
1.53
5:20AM
1.59
5:43PM
1.57
6:18AM
1.66
6:41PM
1.60
7:15AM
1.71
7:39PM
1.61
Low Tide
/ height (m)
8:18PM
0.20
8:36AM
0.24
9:10PM
0.15
9:34AM
0.20
10:05PM
0.10
10:34AM
0.16
11:02PM
0.05
11:35AM
0.11
11:59PM
0.01
12:35PM
0.06
12:57AM
-0.02
1:34PM
0.03
1:54AM
-0.04
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunrise5:37--5:35--5:35--5:35--5:35--5:35--5:35--
Sunset-8:15--8:16--8:17--8:19--8:20--8:21--8:22-
clear
cloud
clear
clear
clear
clear
clear
part cloud
light rain
thunderstorm
rain showers
thunderstorm
cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
--------51135---------
Temp. °C202420211918192321191918151616171818192123
Feels °C (?)1619171816171520201818176811141414181921
  • 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 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 12 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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