Mahia Reef surfForecast / Gisborne and Mahia / New Zealand

information circle48hr Weather and Surf, issued 12 am Tuesday 20 Jan 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
20.2° C
(Which is 1.4°C warmer than normal for this time of year)


How big are the waves at Mahia Reef today?

The current surf forecast for Mahia Reef at 2PM is: 1.8m 7s primary swell from a East-southeast direction and 0.3m 9s secondary swell from a South-southwest direction, 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 12:00am January 20). The wind direction is predicted to be offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (20 Jan)6ft (1.8m)7s
Afternoon (20 Jan)5.5ft (1.7m)7s
Evening (20 Jan)6ft (1.8m)7s

Table - waves today at Mahia Reef. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tuesday
20
Wednesday
21
Thursday
22
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
2
2
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.1
SE
2
ESE
2
ESE
2
ESE
1.8
ESE
1.8
ESE
1.7
ESE
1.7
ESE
1.7
ESE
1.7
ESE
1.7
E
1.7
E
0.9
S
1
S
1.1
S
1.1
S
1.1
S
1.1
S
1.1
S
1
S
0.9
S
0.8
S
0.7
S
0.6
S
Period(s) (?)888777777777141414141414141313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)490452429435328353314302327319311306307390499492478452432347260187141102
Wind
(km/h)
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
E
25
ESE
25
E
25
E
25
E
25
ENE
25
ENE
30
ENE
30
ENE
30
NE
30
NE
35
NE
40
NE
45
NE
50
NE
60
NE
65
NE
55
NE
30
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross
High Tide
/ height (m)
7:11PM
1.45
7:38AM
1.59
8:00PM
1.46
8:23AM
1.60
8:48PM
1.49
9:08AM
1.62
Low Tide
/ height (m)
1:20AM
0.35
1:55PM
0.34
2:03AM
0.31
2:41PM
0.28
2:48AM
0.27
3:27PM
0.25
Tuesday
20
Wednesday
21
Thursday
22
Sunrise---6:03-------6:05-------6:05----
Sunset-------8:32-------8:32-------8:31
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
mod rain
heavy rain
heavy rain
mod rain
rain showers
Rain (mm)
-----------------487141261
Temp. °C171717171718181818171717171818181817181817182021
Feels °C (?)1313131212131414141313121213131313111211781219
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mahia Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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