Mahia Reef surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 5 am Wednesday 08 Apr 2026 NZST
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
18.2° 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 Friday (Apr 10) at 6AM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.2m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mahia Reef in the next 16 days are 5.0m 10s and forecast to arrive on Sunday (Apr 12) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 6.5m 12s period and expected on Sunday (Apr 12) at 3PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 10th Apr)4.5ft (1.3m) 10s
Best Surf 9PM (Fri 10th Apr)5ft (1.5m) 9s
Most Powerful12PM (Sun 12th Apr)16ft (5.0m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 17mm), heaviest on Wed night. Warm (max 22°C on Thu afternoon, min 17°C on Thu night). Winds decreasing (fresh winds from the NNE on Wed morning, calm by Fri night).

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Sun afternoon. Warm (max 23°C on Mon morning, min 17°C on Sat morning). Winds decreasing (severe gales from the ENE on Sun morning, light winds from the N by Mon morning).

Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
1
0
1
2
1
0
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
0.3
E
0.2
S
1.6
E
1.5
E
1.5
E
1.3
E
1.3
E
1.5
E
1.7
E
0.2
S
0.2
SSW
0.1
SW
6.5
ENE
3.5
E
2.2
E
1.3
ESE
0.9
ESE
0.9
ESE
1.2
E
1
E
Period(s) (?)11111099910991010812121210915141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)160217390328380299293390586866029471009308376331498300
Wind
(km/h)
35
NNE
25
NNE
15
NNE
10
N
25
NNE
10
N
10
SW
15
SSE
0
W
20
ENE
25
ENE
40
ENE
55
ENE
75
NE
25
NNW
15
NNW
15
N
20
NNW
20
NW
15
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscross-
on
crosscrosscross-
on
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross
High Tide
/ height (m)
10:07AM
1.57
10:23PM
1.60
10:48AM
1.51
11:09PM
1.54
11:31AM
1.44
11:57PM
1.50
12:16PM
1.39
12:46AM
1.47
1:04PM
1.37
1:34AM
1.46
1:56PM
1.38
2:23AM
1.48
2:49PM
1.42
Low Tide
/ height (m)
4:15PM
0.48
4:45AM
0.45
4:58PM
0.48
5:30AM
0.44
5:40PM
0.46
6:16AM
0.42
6:25PM
0.44
7:03AM
0.38
7:13PM
0.41
7:50AM
0.35
8:06PM
0.38
8:38AM
0.31
9:01PM
0.33
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Sunrise6:28--6:30--6:31--6:31--6:33--6:33--6:35--
Sunset-5:51--5:49--5:47--5:45--5:45--5:43--5:42-
rain showers
rain showers
heavy rain
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
mod rain
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
Rain (mm)
3113--------359-------
Temp. °C192019212219181818181819202222232319202017
Feels °C (?)15171820191818182016151481618222116181714
  • 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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