Motunau Beach surfForecast / Canterbury / New Zealand

information circle48hr Weather and Surf, issued 5 am Thursday 21 Aug 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Motunau Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Motunau Beach sea temperature is
9.6° C
(Which is normal for this time of year)


How big are the waves at Motunau Beach today?

The current surf forecast for Motunau Beach at 8AM is: 0.5m 16s primary swell from a Southeast direction and 0.6m 7s secondary swell from a Southeast direction, 0.2m 2s secondary swell from a West-southwest direction (forecast issued at 05:00am August 21). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (21 Aug)1.5ft (0.5m)16s
Afternoon (21 Aug)1.5ft (0.5m)16s
Evening (21 Aug)1.5ft (0.4m)16s

Table - waves today at Motunau Beach. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Thursday
21
Friday
22
Saturday
23
Sun
24
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.4
SSE
0.5
SE
0.5
SE
0.5
SE
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SE
0.4
SE
0.5
SE
0.4
SE
0.3
SSE
0.4
SE
0.4
SE
0.4
SE
0.2
SSE
0.4
SE
0.2
SSE
0.2
SSE
0.2
SSE
0.2
SSE
0.2
SSE
Period(s) (?)17161616161616151512111110161010102091817888
Wave
Graph
(?)Metric surfscale
Energy (?)121152167157153121112105103657186699152516069574443181817
Wind
(km/h)
10
WSW
15
SW
10
WSW
15
WSW
15
SSW
5
SW
10
W
10
W
10
W
10
WNW
5
WNW
0
SW
5
SE
5
NNE
5
N
5
N
5
NNW
5
NNW
5
N
15
NE
20
ENE
20
NE
15
NE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
cross-
on
ononcross-
on
cross-
on
crosscrosscrossglassglassglassoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoff
High Tide
/ height (m)
2:26AM
1.73
2:57PM
1.89
3:18AM
1.74
3:47PM
1.88
4:08AM
1.73
4:35PM
1.85
Low Tide
/ height (m)
8:37AM
0.12
9:15PM
0.19
9:30AM
0.12
10:06PM
0.18
10:20AM
0.13
10:55PM
0.18
Thursday
21
Friday
22
Saturday
23
Sun
24
Sunrise--7:13-------7:11-------7:09-----
Sunset----5:49-------5:50-------5:51---
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
Rain (mm)
------------------------
Temp. °C9889101098777910998767910887
Feels °C (?)545567654447866543455444
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Canterbury

  1. weather stationWind Update Continuing clean conditions at Motunau Beach (light winds from the WSW at Christchurch International Airport 62 km from Motunau Beach). 1.8m 7s swell from the SSE with a 0.5m 7s swell from the SE. 2 swells combining to make bigger set waves.

    Motunau Beach
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