Stewart Island - Saber Reef surfForecast / Southland / New Zealand

information circle48hr Weather and Surf, issued 5 am Saturday 23 May 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Stewart Island - Saber Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Stewart Island - Saber Reef sea temperature is
13.7° C
(Which is 2.9°C warmer than normal for this time of year)

How big are the waves at Stewart Island - Saber Reef today?

The current surf forecast for Stewart Island - Saber Reef at 1PM is: 4.5m 14s primary swell from a Southwest direction (forecast issued at 05:00am May 23). An open ocean swell of 0.3m 22s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (23 May)13ft (4.0m)13s
Afternoon (23 May)15ft (4.5m)14s
Evening (23 May)2ft (0.6m)18s

Table - waves today at Stewart Island - Saber Reef. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Mon night. Very mild (max 12°C on Sun night, min 8°C on Sat night). Winds increasing (light winds from the NNW on Sun morning, strong winds from the WNW by Mon afternoon).

Saturday
23
Sunday
24
Monday
25
Tue
26
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
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
!
4
3
2
2
1
1
0
0
1
0
0
0
0
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)
4
WSW
12
3.5
WSW
12
4
SW
13
4.5
SW
14
4.5
SW
14
4.5
SW
15
0.6
S
18
4
WSW
16
0.5
S
17
3.5
SW
16
3.5
SW
15
1.8
SSW
16
2.1
SSW
14
2.1
SSW
14
2.2
SSW
14
2.1
SSW
13
2.1
SSW
13
2
SSW
13
1.8
SSW
13
1.9
SSW
13
1.8
SW
12
2.1
SW
12
2.5
SW
12
0.8
SW
17
Wave Graph
Metric surfscale
Energy kJ
0
0
4862
7188
7945
0
230
0
149
0
5435
1636
1680
1680
1922
1575
1427
1309
1134
1126
976
1169
1913
330
Wind (km/h)
35
WSW
35
WSW
30
WSW
25
WSW
20
WSW
15
WSW
15
WSW
15
WSW
10
WSW
10
W
5
NNW
10
NW
15
WNW
20
WNW
20
WNW
25
WNW
30
WNW
35
WNW
40
WNW
45
NW
50
NW
50
WNW
20
WSW
20
S
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross-on
on
High Tide
6:26AM2.10m
7:09PM2.07m
7:31AM2.04m
8:10PM2.03m
8:33AM2.01m
9:07PM2.01m
Low Tide
00:14AM0.42m
12:45PM0.29m
1:18AM0.44m
1:49PM0.34m
2:20AM0.44m
2:48PM0.37m
cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:15
8:15
8:17
8:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:15
5:14
5:13
5:12
6
5
Temp °C
11
11
10
10
10
9
9
9
9
8
8
9
9
9
10
11
12
12
12
12
12
12
11
8
4
4
3
5
5
5
5
5
6
5
6
6
5
5
5
6
6
5
4
3
2
2
7
3
Swell 1
Height (m)
Direction
Period (s)
4.5
SW
14
4.5
SW
14
4.5
SW
15
4.5
WSW
16
4
WSW
16
4
WSW
16
3.5
SW
16
3.5
SW
15
2.5
WSW
14
2.4
WSW
14
2.2
WSW
14
2.2
SSW
14
2.1
SSW
13
2.1
SSW
13
2
SSW
13
1.8
SSW
13
1.9
SSW
13
1.8
SW
12
2.1
SW
12
1.4
WNW
8
2.5
WSW
12
Energy kJ
7188
7945
8680
8820
7817
6882
6203
5435
3033
2265
1997
1922
1575
1427
1309
1134
1126
976
1169
270
1971
Swell 2
Height (m)
Direction
Period (s)
0.3
WSW
22
2.4
WSW
17
0.6
S
18
0.5
S
17
1.8
SSW
16
2.1
SSW
14
2.1
SSW
14
1.9
WSW
13
1.8
WSW
13
1.4
WSW
13
1
WSW
13
0.9
WSW
12
0.6
WSW
12
0.6
S
11
0.1
E
11
1.3
NW
8
0.8
SW
17
Energy kJ
91
3298
230
149
1636
1680
1680
1229
1162
653
361
263
115
84
2
183
330
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
11
0.1
NE
11
0.1
NE
10
0.1
E
12
0.1
NE
12
0.5
WSW
12
0.2
ENE
11
0.1
E
11
0.1
E
11
Energy kJ
5
5
4
3
6
83
12
2
2
Wind waves
Height (m)
Direction
Period (s)
4
WSW
12
3.5
WSW
12
4
SW
13
0.5
W
3
0.7
W
4
1.3
W
5
1.7
W
6
2
W
6
2.4
WNW
7
3
WNW
7
3
WNW
8
2.5
SW
12
1
S
5
Energy kJ
3987
3689
4862
6
17
94
198
318
509
811
937
1913
47
Nearest Offshore or Glassy
Rating
(10 max)
5
7
5
5
4
4
1
1
5
5
5
4
4
4
4
4
4
4
3
3
3
2
4
1
Distance (km)
119
145
145
145
174
92
90
90
89
89
89
0
89
89
89
89
89
89
89
89
89
92
89
92
Best forecast wave conditions in Southland
Rating
(10 max)
5
4
1
6
5
5
5
4
4
4
4
4
4
4
3
3
3
4
4
1
Best forecast wave conditions in New Zealand
Rating
(10 max)
5
7
5
5
4
6
7
8
7
6
5
5
5
4
4
4
4
4
4
4
4
4
5
4
Header Global
Rating
(10 max)
6
7
6
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
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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