Mahia Spit surf break

Mahia Spit surfForecast / Gisborne and Mahia / New Zealand

information circle12 Day Weather and Surf, issued 12 am Thursday 25 Dec 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 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 Thursday (Dec 25) at 4AM. The primary swell is predicted to be 0.3m and 10s period. 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 1.9m 9s and forecast to arrive on Wednesday (Dec 31) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Tuesday (Dec 30) at 10AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 25th Dec)1ft (0.3m) 10s
Best Surf 1AM (Wed 31st Dec)6ft (1.9m) 8s
Most Powerful 7AM (Wed 31st Dec)6ft (1.9m) 9s

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 6mm), mostly falling on Fri night. Warm (max 24°C on Fri morning, min 16°C on Sat afternoon). Winds increasing (calm on Thu morning, fresh winds from the N by Fri afternoon).

Days 3-6 Weather Summary Heavy rain (total 49mm), heaviest during Tue morning. Very mild (max 18°C on Mon morning, min 15°C on Sat night). Winds increasing (calm on Sun morning, strong winds from the SSE by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wed
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.3
ESE
0.3
ESE
0.3
ESE
0.4
ESE
0.5
E
0.3
ESE
0.8
NE
0.5
NE
0.8
ENE
0.6
NE
0.3
ENE
0.4
ENE
0.6
ENE
0.5
ENE
0.5
ENE
0.8
NE
1.1
ENE
1.2
SE
1.9
ESE
1.7
ESE
1.7
SE
Period(s) (?)101312121110668696688587888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22342945572047178023151421373726161156454433401
Wind
(km/h)
15
WNW
0
W
20
ENE
20
NNW
20
NNW
35
N
20
N
15
ENE
10
N
15
SW
5
SW
20
E
15
ESE
20
E
25
ESE
40
SE
45
S
40
SW
25
WSW
15
SW
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
on
crosscross-
on
cross-
on
cross-
on
oncross-
on
offglasscross-
on
cross-
on
cross-
on
crosscrosscross-
off
offoffoffcross-
off
High Tide
/ height (m)
10:23AM
1.45
10:42PM
1.31
11:05AM
1.45
11:28PM
1.32
11:49AM
1.45
12:16AM
1.34
12:37PM
1.45
1:08AM
1.37
1:29PM
1.46
2:03AM
1.42
2:24PM
1.47
3:01AM
1.48
3:23PM
1.49
Low Tide
/ height (m)
4:11AM
0.24
4:47PM
0.26
4:54AM
0.24
5:30PM
0.24
5:39AM
0.24
6:15PM
0.21
6:27AM
0.24
7:02PM
0.19
7:19AM
0.23
7:52PM
0.16
8:15AM
0.22
8:45PM
0.13
9:14AM
0.19
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wed
31
Sunrise-5:39--5:39--5:41--5:41--5:41--5:43--5:43-
Sunset--8:35--8:35--8:36--8:36--8:36--8:36--8:37
clear
clear
clear
clear
cloud
clear
light rain
light rain
light rain
rain showers
clear
part cloud
rain showers
rain showers
light rain
heavy rain
heavy rain
mod rain
part cloud
part cloud
cloud
Rain (mm)
------3121--32217186---
Temp. °C221820222424211918161617171817171616161616
Feels °C (?)19151818211819181815161415161311119101213
  • 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 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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