Dunedin - St Clair Surf Break

Lat Long: 45.91° S 170.50° E

Dunedin - St Clair 48 hour detailed Surf Forecast

Issued: 11 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dunedin - St Clair sea temperature is
10.6°C
1.8° 

Dunedin - St Clair surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Dunedin - St Clair today (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 4.5ft (1.4m), 18s period with SSW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 6ft (1.9m), 18s period with SSW swell.

The current surf forecast for Dunedin - St Clair at 3AM is: 0.8m 13s primary swell from a South-southwest direction and 0.8m 5s secondary swell from a South-southwest direction (forecast issued at 11:00pm September 09). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (10 Sep)3ft (0.9m)15s
Afternoon (10 Sep)4.5ft (1.4m)18s
Evening (10 Sep)6ft (1.9m)18s

Table - waves today at Dunedin - St Clair. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 9mm), mostly falling on Wed night. Very mild (max 11°C on Fri morning, min 5°C on Wed night). Winds increasing (light winds from the NW on Thu night, strong winds from the WSW by Fri night).

Thursday
10
Friday
11
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
Rating
(10 max)
0
0
1
0
0
1
0
3
3
3
4
3
2
2
0
0
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SW
13
0.7
S
16
0.8
SSW
13
0.9
SSW
15
0.9
SSW
15
1.2
SSW
19
1.4
SSW
18
1.9
SSW
18
1.9
SSW
18
1.9
SSW
18
1.8
SSW
18
1.6
SSW
18
1.6
SSW
17
1.9
SSW
17
2.3
SSW
16
4
SSW
15
4
SSW
16
Wave Graph
Metric surfscale
Energy kJ
809
245
195
381
392
1060
1317
2217
2217
2193
1929
1447
1484
2000
2555
6840
7207
Wind (km/h)
25
WSW
25
SW
20
W
25
WSW
25
WSW
30
WSW
25
SW
20
W
20
WNW
15
NW
15
NNW
15
WNW
30
W
35
W
40
WSW
35
WSW
40
W
Wind State
cross
cross-on
cross-off
cross
cross
cross
cross-on
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross
cross-off
High Tide
2:30AM1.81m
2:59PM1.88m
3:21AM1.82m
3:49PM1.85m
Low Tide
8:29PM0.11m
8:50AM0.04m
9:19PM0.08m
9:40AM0.03m
cloud
light rain
light rain
cloud
clear
clear
rain showers
clear
clear
clear
clear
cloud
part cloud
part cloud
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:19
6:20
 mm
2
1
1
2
Temp °C
10
5
5
5
6
8
8
7
6
5
5
6
11
10
9
8
8
Feels °C
4
-1
0
-2
-1
1
1
2
1
0
0
1
4
2
0
-1
-1
  • 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
How to use the Wavefinder 

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