Mahia Spit surf break

Mahia Spit surfForecast / Gisborne and Mahia / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Sunday 07 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
17.3° C
(Which is slightly warmer than usual)


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 Tuesday (Dec 09) at 10AM. The primary swell is predicted to be 0.3m and 15s period with a secondary swell of 0.3m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mahia Spit in the next 12 days are 1.9m 10s and forecast to arrive on Thursday (Dec 11) at 1AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Saturday (Dec 13) at 7AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 9th Dec)1ft (0.3m) 15s
Best Surf 4AM (Fri 12th Dec)4ft (1.2m) 8s
Most Powerful 1AM (Thu 11th Dec)6ft (1.9m) 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 Mostly dry. Warm (max 25°C on Mon morning, min 17°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the NE by Tue afternoon).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Thu night. Very mild (max 19°C on Wed morning, min 13°C on Fri night). Winds decreasing (strong winds from the NNE on Wed afternoon, light winds from the NNE by Wed night).

Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
1
0
1
0
0
2
2
0
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
E
0.5
SE
0.2
E
0.2
E
0.2
E
0.4
NE
0.3
E
0.6
E
0.8
E
0.8
E
1.8
NE
1.9
NE
1.2
ENE
1.6
ENE
1.1
ENE
0.9
ENE
0.9
ENE
0.6
ENE
0.4
ENE
0.3
ENE
0.3
ENE
Period(s) (?)99899615141312111010109888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)133957712381382151817167892614621861199247191212
Wind
(km/h)
10
NE
20
NE
10
NNE
5
NW
20
ENE
20
SW
10
SSW
20
NE
15
N
25
NNE
45
NNE
20
NNE
10
ENE
20
ENE
15
N
10
SSW
40
S
45
SSW
35
SW
35
SSW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
glasscross-
on
offoffoncross-
on
onononcross-
on
oncross-
on
cross-
off
cross-
off
offoffoffoff
High Tide
/ height (m)
8:35PM
1.61
9:06AM
1.74
9:31PM
1.58
10:01AM
1.71
10:27PM
1.54
10:56AM
1.66
11:23PM
1.48
11:50AM
1.59
12:19AM
1.43
12:42PM
1.52
1:14AM
1.38
1:34PM
1.44
2:07AM
1.34
Low Tide
/ height (m)
2:32PM
0.01
2:50AM
-0.03
3:29PM
0.01
3:46AM
-0.01
4:25PM
0.03
4:41AM
0.03
5:20PM
0.06
5:35AM
0.09
6:13PM
0.11
6:29AM
0.16
7:05PM
0.15
7:21AM
0.23
7:56PM
0.20
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunrise5:35--5:35--5:35--5:35--5:35--5:35--5:35--
Sunset-8:22--8:23--8:23--8:24--8:25--8:27--8:28-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
rain showers
cloud
part cloud
part cloud
rain showers
clear
part cloud
Rain (mm)
--------------2---1--
Temp. °C212221252525191919191918181818181714131414
Feels °C (?)18191821222518151515111417171717106569
  • 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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