Mahia Reef surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 6 am Tuesday 31 Mar 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Mahia Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahia Reef sea temperature is
18.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Mahia Reef this week:

The surf forecast for Mahia Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 01) at 10AM. The primary swell is predicted to be 2.4m and 13s period with a secondary swell of 0.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mahia Reef in the next 16 days are 3.0m 14s and forecast to arrive on Wednesday (Apr 01) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Tuesday (Apr 07) at 12PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Wed 1st Apr)8ft (2.4m) 13s
Best Surf10AM (Wed 1st Apr)8ft (2.4m) 13s
Most Powerful 4AM (Wed 1st Apr)10ft (3.0m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 17°C on Tue morning, min 11°C on Wed night). Winds decreasing (strong winds from the SSE on Tue afternoon, calm by Thu morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Sat afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the NNE on Fri afternoon, calm by Sun night).

Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
3
3
3
3
2
2
2
2
0
0
0
0
0
0
0
1
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
S
2
S
2.4
S
2.4
S
2
S
1.8
S
1.7
S
1.7
S
1.1
S
1.8
S
1.6
S
1.2
S
0.9
S
0.7
S
0.5
S
0.4
S
0.3
S
0.6
S
0.6
S
0.5
S
0.6
S
Period(s) (?)16615131213121217151312121111101117141311
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3340245719421229100988587170013908884162201195531202101508488
Wind
(km/h)
20
SSW
40
SSE
20
S
15
S
10
S
5
W
5
W
15
ENE
15
N
15
NNE
30
NE
15
NNW
10
N
20
NE
15
NW
5
W
10
SE
5
NW
15
NE
25
ENE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
glassglasscross-
off
crosscrosscross-
off
cross-
on
cross-
on
cross-
off
cross-
on
glassoffglasscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:24PM
1.54
5:45AM
1.61
6:16PM
1.57
6:35AM
1.61
7:05PM
1.62
7:23AM
1.62
7:52PM
1.67
8:10AM
1.63
8:36PM
1.71
8:55AM
1.64
9:19PM
1.72
9:40AM
1.63
10:00PM
1.70
Low Tide
/ height (m)
11:13AM
0.21
11:36PM
0.22
12:04PM
0.24
12:26AM
0.25
12:53PM
0.28
1:14AM
0.29
1:40PM
0.33
2:01AM
0.33
2:24PM
0.37
2:47AM
0.37
3:07PM
0.41
3:33AM
0.41
3:49PM
0.45
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Sunrise7:20--7:20--7:22--7:22--7:24--7:24--7:26--
Sunset-7:04--7:01--7:00--6:59--6:58--6:55--6:54-
clear
light rain
light rain
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
Rain (mm)
-41------------------
Temp. °C171514141413141514171817192119181716191817
Feels °C (?)1489111112121211141313181816171617161514
  • 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 Reef Surf forecast

The above surf forecast table for Mahia Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mahia Reef can be found by selecting the local surf guide option on the grey menu. Our Mahia Reef 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 Reef) 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 Reef 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 Reef is 49 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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