Stewart Island - Saber Reef surfForecast / Southland / New Zealand

information circle48hr Weather and Surf, issued 5 am Wednesday 13 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
13.9° C
(Which is 3.0°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 9AM is: 4.5m 18s primary swell from a Southwest direction and 0.3m 13s secondary swell from a East-northeast direction (forecast issued at 05:00am May 13). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (13 May)15ft (4.5m)18s
Afternoon (13 May)13ft (4.0m)17s
Evening (13 May)11ft (3.5m)16s

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

Mostly dry. Very mild (max 12°C on Fri morning, min 8°C on Wed night). Wind will be generally light.

Wednesday
13
Thursday
14
Friday
15
Sat
16
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
2
2
2
2
2
0
0
1
1
1
2
3
3
3
3
4
4
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
SW
14
4.5
SW
19
4.5
SW
18
4.5
SW
17
4
SW
17
3.5
SW
16
3.5
SW
16
3
SW
16
3
SW
15
3
SW
14
3
SW
14
3
SW
14
3
SW
14
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.3
SW
12
2.4
SW
12
2.3
SW
12
2.2
SW
12
2.1
SW
12
2.1
SW
12
2
SW
12
Wave Graph
Metric surfscale
Energy kJ
5668
14957
12834
11279
9531
6702
5805
4657
4214
3761
3325
3119
2925
2376
2340
2340
2305
1643
1743
1494
1404
1319
1240
1188
Wind (km/h)
30
SW
25
WSW
20
WSW
25
WSW
25
W
25
W
20
WSW
20
WSW
20
WSW
15
WSW
20
W
20
W
20
W
20
WSW
20
WSW
20
WSW
15
WSW
15
SW
5
W
10
WNW
10
WSW
5
WNW
10
NNW
5
NW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-on
cross
cross-off
cross-off
High Tide
9:44AM2.01m
10:14PM2.07m
10:35AM2.15m
11:01PM2.18m
11:26AM2.28m
11:49PM2.27m
Low Tide
3:41AM0.47m
4:04PM0.33m
4:27AM0.33m
4:52PM0.22m
5:14AM0.19m
5:40PM0.15m
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:03
8:03
8:04
8:06
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:24
5:23
5:22
Temp °C
10
11
11
10
9
9
9
9
8
8
8
8
8
8
8
8
9
8
9
12
12
12
12
11
4
6
7
5
4
4
5
5
4
4
4
4
3
3
4
4
5
4
7
9
9
10
9
9
Swell 1
Height (m)
Direction
Period (s)
4
SW
14
4.5
SW
19
4.5
SW
18
4.5
SW
17
4
SW
17
3.5
SW
16
3.5
SW
16
3
SW
16
3
SW
15
3
SW
14
3
SW
14
3
SW
14
3
SW
14
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.3
SW
12
2.4
SW
12
2.3
SW
12
2.2
SW
12
2.1
SW
12
2.1
SW
12
2
SW
12
Energy kJ
5668
14957
12834
11279
9531
6702
5805
4657
4214
3761
3325
3119
2925
2376
2340
2340
2305
1643
1743
1494
1404
1319
1240
1188
Swell 2
Height (m)
Direction
Period (s)
2.5
SW
19
1.3
SSW
19
0.3
ENE
13
0.3
ENE
12
0.3
E
12
0.2
E
13
0.2
E
11
1
S
9
0.2
E
12
0.2
E
12
0.2
E
11
0.2
E
11
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
SSE
12
0.9
SSW
13
0.2
E
10
0.2
E
10
0.2
W
24
0.3
WSW
23
0.6
W
22
0.7
WSW
21
Energy kJ
4701
1121
34
30
27
13
9
162
11
11
10
9
9
8
8
8
14
282
8
8
44
106
335
450
Swell 3
Height (m)
Direction
Period (s)
1
SSW
20
0.3
E
16
0.1
SE
16
0.2
SSE
15
0.2
SSE
15
0.1
SE
15
0.1
SE
15
0.2
E
11
0.2
SSE
14
0.2
SSE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.2
SSE
12
0.2
E
10
0.2
E
10
0.2
E
10
0.1
SE
12
0.1
W
26
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
Energy kJ
846
43
10
23
21
8
8
10
18
18
7
7
7
6
15
8
8
8
6
13
2
2
2
2
Wind waves
Height (m)
Direction
Period (s)
0.7
WSW
4
Energy kJ
16
Nearest Offshore or Glassy
Rating
(10 max)
8
5
5
9
9
8
4
4
4
4
4
4
3
3
3
3
2
2
4
3
3
3
4
4
Distance (km)
145
119
119
89
145
145
92
92
89
89
89
89
92
92
92
92
92
92
89
89
89
89
0
0
Best forecast wave conditions in Southland
Rating
(10 max)
5
5
9
4
4
4
4
4
4
3
3
3
3
3
3
4
3
3
3
4
4
Best forecast wave conditions in New Zealand
Rating
(10 max)
8
9
9
9
9
8
9
7
7
6
5
5
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
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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