Stewart Island - Saber Reef surfForecast / Southland / New Zealand

information circle48hr Weather and Surf, issued 11 pm Sunday 17 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 4AM is: 0.2m 11s primary swell from a East direction (forecast issued at 11:00pm May 17). An open ocean swell of 1.5m 13s is not directed at the surf break, a second open ocean swell of 0.6m 18s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (18 May)0.5ft (0.2m)11s
Afternoon (18 May)0.5ft (0.2m)10s
Evening (18 May)0.5ft (0.2m)10s

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 14°C on Wed afternoon, min 8°C on Sun night). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
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
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.2
E
11
0.2
E
11
0.2
E
11
0.3
SSW
11
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
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
9
1.4
WSW
13
1.3
WSW
13
1.7
WNW
10
2.2
WNW
10
0.1
E
11
0.3
SW
18
2.1
WNW
10
2.1
WNW
10
2.2
WNW
10
Wave Graph
Metric surfscale
Energy kJ
9
9
9
22
9
9
8
8
8
8
8
8
8
7
7
0
0
0
0
2
51
0
0
0
Wind (km/h)
20
WNW
20
WNW
20
NW
20
NW
20
NW
25
NW
25
WNW
25
WNW
25
WNW
15
NNW
15
NNW
15
NNW
10
N
10
N
15
NNE
15
NNE
15
N
15
N
20
N
20
N
20
N
10
N
10
N
10
N
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
1:30AM2.37m
2:06PM2.45m
2:23AM2.36m
3:02PM2.41m
3:20AM2.32m
4:01PM2.33m
Low Tide
7:20PM0.11m
7:42AM-0.03m
8:13PM0.15m
8:37AM-0.01m
9:08PM0.22m
9:34AM0.05m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:08
8:10
8:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:19
5:17
Temp °C
8
8
9
9
9
9
10
10
10
9
8
9
8
9
10
11
12
12
12
12
13
13
14
13
4
3
4
4
4
4
5
5
4
5
4
6
6
7
6
6
8
8
8
8
9
10
12
10
Swell 1
Height (m)
Direction
Period (s)
1.6
WSW
13
1.5
WSW
13
1.6
WSW
13
1.4
WSW
13
1.7
WSW
16
1.8
W
16
1
WSW
16
1.5
WSW
14
1.5
WSW
14
1.5
WSW
14
1.5
WSW
14
1.5
WSW
14
1.5
WSW
14
1.5
WSW
13
1.4
WSW
13
1.4
WSW
13
1.5
WNW
9
1.7
WNW
10
2.2
WNW
10
2.5
WNW
12
2.3
WNW
11
2.1
WNW
10
2.1
WNW
10
2.2
WNW
10
Energy kJ
865
721
799
679
1550
1609
540
838
838
862
862
886
780
735
623
613
362
555
1020
1660
1214
884
901
1020
Swell 2
Height (m)
Direction
Period (s)
0.3
W
19
0.3
W
19
0.5
W
18
0.7
WSW
17
0.2
E
11
0.2
E
11
0.2
E
10
0.2
E
10
0.2
E
10
1.2
WNW
7
1.1
WNW
7
1.1
WNW
7
1.2
WNW
8
1.2
WNW
8
1.1
WNW
8
1.1
WNW
8
1.3
WSW
13
1.2
WSW
13
1.1
WSW
13
0.2
WSW
21
1
WSW
12
1.1
WSW
12
0.9
WSW
12
0.9
WSW
11
Energy kJ
64
66
165
307
9
9
8
8
8
135
121
136
151
155
142
165
498
476
444
43
323
355
246
186
Swell 3
Height (m)
Direction
Period (s)
0.2
E
11
0.2
E
11
0.2
E
11
0.3
SSW
11
0.1
S
17
0.2
S
9
0.1
S
8
0.1
S
18
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
9
0.2
WSW
20
0.2
WSW
20
0.2
WSW
20
0.2
WSW
21
0.1
E
11
0.3
SW
18
0.4
SW
19
0.4
WSW
19
0.4
SW
19
Energy kJ
9
9
9
22
6
6
1
6
8
8
8
8
7
7
37
37
38
42
2
51
90
143
92
Wind waves
Height (m)
Direction
Period (s)
0.6
NW
4
1.6
W
13
1.2
WNW
6
1.4
WNW
6
1.7
WNW
7
1.6
WNW
7
1.6
WNW
8
1.6
WNW
8
0.4
NE
3
0.5
NE
3
0.2
ENE
4
0.3
NNE
4
0.5
N
3
0.4
NNE
4
0.3
NNE
4
Energy kJ
9
835
119
149
265
247
276
296
3
6
1
3
4
4
3
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
4
3
3
3
3
3
3
3
3
3
2
2
3
3
2
2
3
2
Distance (km)
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
Best forecast wave conditions in Southland
Rating
(10 max)
3
3
3
3
3
3
4
3
3
3
3
3
3
3
3
3
2
2
3
3
2
2
3
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
3
3
3
3
4
3
3
3
3
3
3
3
3
3
2
2
3
3
2
2
3
2
Header Global
Rating
(10 max)
7
4
8
6
4
4
5
6
5
4
5
4
5
4
4
4
4
4
4
4
4
4
4
4
  • 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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