Mahia Spit surf break

Mahia Spit surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 5 pm Saturday 11 Apr 2026 NZST
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
18.6° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 12) at 9PM. The primary swell is predicted to be 6.0m and 12s period with a secondary swell of 3.5m and 12s. Another secondary swell of 3.0m and 12s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Mahia Spit in the next 16 days are 6.0m 12s and forecast to arrive on Sunday (Apr 12) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 13s period and expected on Friday (Apr 17) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 12th Apr)20ft (6.0m) 12s
Best Surf 9PM (Sun 12th Apr)20ft (6.0m) 12s
Most Powerful 9PM (Sun 12th Apr)20ft (6.0m) 12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 15mm), heaviest on Sun night. Warm (max 21°C on Sun night, min 17°C on Mon night). Winds decreasing (severe gales from the NE on Sun afternoon, light winds from the NW by Mon night).

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Tue afternoon, min 14°C on Thu night). Winds decreasing (fresh winds from the W on Tue night, calm by Thu night).

Sat
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
1
0
1
0
1
1
0
1
0
0
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
E
3
ENE
4.5
ENE
6
ENE
2.5
E
1.7
ENE
1.4
ENE
1.3
E
1.3
E
1.2
E
1
E
0.9
E
0.7
E
0.6
E
0.4
E
0.4
E
0.4
ESE
0.5
E
0.6
E
0.5
E
0.5
E
Period(s) (?)1012101111109913131212121111111413131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)552223738298513141257434025759948529722813284373566891157671
Wind
(km/h)
25
ENE
40
ENE
65
ENE
80
NE
45
NW
20
NNW
25
N
20
NNW
30
NW
15
NNW
20
WNW
30
WSW
20
SSW
15
WNW
25
W
10
WSW
10
SSE
5
NNW
15
NE
25
N
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
ononcross-
off
crosscross-
on
cross-
on
crosscross-
on
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
crossoncross-
on
cross-
on
High Tide
/ height (m)
12:54AM
1.33
Low Tide
/ height (m)
6:39PM
0.35
7:14AM
0.36
Sat
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Sunrise--6:31--6:33--6:33--6:35--6:35--6:37--6:37
Sunset5:45--5:44--5:43--5:42--5:39--5:38--5:37--
part cloud
light rain
light rain
rain showers
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
part cloud
cloud
Rain (mm)
-4128----------------
Temp. °C181920202121211920201717171619201617191820
Feels °C (?)15131171418171517171410121314181315161417
  • 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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