Shag Beach surfForecast / Otago / New Zealand

information circle48hr Weather and Surf, issued 12 am Monday 23 Mar 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Shag Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shag Beach sea temperature is
14.6° C
(Which is 2.1°C warmer than normal for this time of year)

How big are the waves at Shag Beach today?

The current surf forecast for Shag Beach at 9AM is: 0.7m 10s primary swell from a East-southeast direction and 0.3m 3s secondary swell from a North-northeast direction (forecast issued at 12:00am March 23). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (23 Mar)2.5ft (0.7m)10s
Afternoon (23 Mar)2.5ft (0.7m)10s
Evening (23 Mar)2.5ft (0.7m)10s

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


Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
1
0
1
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
0.8
E
0.8
E
0.7
E
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.5
ESE
0.5
ESE
0.4
SSW
0.4
SSW
0.4
SSW
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.5
S
0.5
S
Period(s) (?)1010101010101010101010109912121215141413131414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1251271259610210010210210475747149474950507168615755107101
Wind
(km/h)
5
SE
10
NNE
15
N
15
N
15
N
20
NE
25
NE
20
NNE
10
N
5
NNW
5
SW
10
SSW
0
SW
5
E
10
E
5
ENE
5
S
10
SSW
15
S
10
SSE
10
SE
15
E
20
E
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crossglasscross-
off
cross-
off
glassononcross-
on
glasscross-
off
cross-
off
crosscross-
on
ononon
High Tide
/ height (m)
7:03AM
1.70
7:36PM
1.77
8:03AM
1.64
8:40PM
1.74
9:10AM
1.60
Low Tide
/ height (m)
1:02AM
0.20
1:25PM
0.20
2:04AM
0.26
2:27PM
0.23
3:09AM
0.30
3:32PM
0.25
Monday
23
Tuesday
24
Wednesday
25
Sunrise----7:41-------7:41-------7:43---
Sunset-------7:44-------7:42-------7:40
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C121212111215161414151514151918161413121212121212
Feels °C (?)111098101212111315141315171515131110101110910
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shag Beach 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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