Shag Beach surfForecast / Otago / New Zealand

information circle48hr Weather and Surf, issued 11 am Wednesday 13 May 2026 NZST
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
12.9° C
(Which is 2.5°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 2PM is: 2.0m 12s primary swell from a South direction and 0.7m 18s secondary swell from a South direction (forecast issued at 11:00am May 13). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (13 May)7ft (2.2m)13s
Afternoon (13 May)6.5ft (2.0m)12s
Evening (13 May)6ft (1.8m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 15°C on Wed afternoon, min 7°C on Thu night). Wind will be generally light.

Wed
13
Thursday
14
Friday
15
Sat
16
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
Rating
(10 max)
4
2
4
4
3
5
4
4
3
3
2
3
3
4
3
3
3
3
1
2
2
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.2
S
13
2.1
S
13
2
S
12
1.8
S
11
1.8
S
11
2.5
SSW
16
1.9
SSW
10
2.2
SSW
9
1.4
S
9
1.3
S
9
1.5
S
13
1.5
S
13
1.5
S
14
1.6
S
14
1.5
S
14
1.5
S
13
1.4
S
13
1.4
S
12
1.3
S
12
1.3
S
12
1.2
S
11
1.1
S
11
0.9
S
10
0.9
S
10
Wave Graph
Metric surfscale
Energy kJ
1583
1373
1148
828
743
3560
725
807
318
280
769
792
890
1041
828
769
640
591
469
454
367
298
165
159
Wind (km/h)
20
WSW
25
WSW
15
SW
10
SSW
5
NW
5
SW
5
SSW
5
WSW
5
W
5
ENE
10
ESE
0
E
5
NNW
5
WNW
5
SW
5
WSW
5
SW
5
S
5
ESE
0
S
5
NW
5
NNW
5
NNW
10
NW
off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
glassy
on
glassy
glassy
glassy
cross-off
glassy
glassy
glassy
on
glassy
glassy
glassy
cross-off
cross-off
High Tide
11:54AM1.61m
00:18AM1.68m
12:43PM1.72m
1:06AM1.74m
1:33PM1.83m
1:56AM1.79m
Low Tide
6:02PM0.23m
6:27AM0.20m
6:53PM0.16m
7:15AM0.13m
7:45PM0.12m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:46
7:47
7:48
7:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:19
5:17
5:16
5:15
Temp °C
11
14
15
14
12
11
10
9
9
10
10
9
8
8
8
7
7
8
9
9
9
9
8
8
6
8
11
12
10
10
9
8
8
9
8
8
7
7
6
5
5
7
8
8
7
7
6
6
Swell 1
Height (m)
Direction
Period (s)
2.2
S
13
2.1
S
13
2
S
12
1.8
S
11
1.8
S
11
1.7
S
10
1.6
S
10
1.5
S
9
1.4
S
9
1.3
S
9
1.5
S
13
1.5
S
13
1.5
S
14
1.6
S
14
1.5
S
14
1.5
S
13
1.4
S
13
1.4
S
12
1.3
S
12
1.3
S
12
1.2
S
11
1.1
S
11
0.9
S
10
0.9
S
10
Energy kJ
1583
1373
1148
828
743
580
464
373
318
280
769
792
890
1041
828
769
640
591
469
454
367
298
165
159
Swell 2
Height (m)
Direction
Period (s)
0.6
S
19
0.7
S
19
0.7
S
18
0.8
S
17
0.6
S
17
0.6
S
16
0.7
S
16
0.6
S
16
0.7
S
14
0.8
S
13
0.3
ENE
10
0.3
ENE
10
0.3
ENE
10
0.3
ENE
10
0.3
ENE
10
0.3
ENE
10
0.3
ENE
10
0.3
ENE
9
0.3
ENE
10
0.2
ENE
10
0.2
ENE
9
0.2
ENE
9
0.4
SSW
12
0.4
S
13
Energy kJ
266
354
308
377
210
193
239
174
203
225
19
19
19
18
18
18
18
17
18
9
9
9
51
54
Swell 3
Height (m)
Direction
Period (s)
0.5
E
11
0.5
E
11
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.3
ENE
10
0.3
ENE
10
0.2
ESE
13
0.2
ESE
13
0.1
SE
12
0.1
SE
12
0.2
SSE
9
0.1
S
11
0.2
SSE
11
0.1
SE
12
0.1
S
24
0.1
S
23
0.3
ENE
9
0.3
ENE
10
Energy kJ
61
59
37
35
34
34
34
34
20
20
16
16
6
6
7
2
12
5
11
10
17
18
Wind waves
Height (m)
Direction
Period (s)
2.5
SSW
16
1.9
SSW
10
2.2
SSW
9
Energy kJ
3560
725
807
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
3
5
4
4
3
3
3
3
3
4
3
3
3
3
2
2
2
2
2
2
Distance (km)
0
45
0
0
0
0
0
0
0
0
45
0
0
0
0
0
0
0
15
0
0
0
0
0
Best forecast wave conditions in Otago
Rating
(10 max)
4
8
5
9
9
7
7
6
4
4
4
4
4
4
4
4
3
3
3
3
3
3
2
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
9
9
9
9
9
7
7
6
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
9
9
9
9
9
8
7
9
9
9
9
5
5
5
5
5
4
5
5
5
5
5
5
5
  • 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

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