Dunedin - St Clair surf break

Dunedin - St Clair surfForecast / Otago / New Zealand

information circle12 Day Weather and Surf, issued 6 am Monday 29 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Dunedin - St Clair surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunedin - St Clair sea temperature is
14.6° C
(Which is 2.6°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Dunedin - St Clair this week:

The surf forecast for Dunedin - St Clair over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 31) at 1PM. The primary swell is predicted to be 2.5m and 10s period with a secondary swell of 2.1m and 8s. Another secondary swell of 0.4m and 9s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Dunedin - St Clair in the next 12 days are 2.5m 10s and forecast to arrive on Wednesday (Dec 31) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Jan 04) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Wed 31st Dec)8ft (2.5m) 10s
Best Surf 1PM (Wed 31st Dec)8ft (2.5m) 10s
Most Powerful 1PM (Wed 31st Dec)8ft (2.5m) 10s

Table - best surf conditions forecast for Dunedin - St Clair over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 4mm), mostly falling on Tue night. Very mild (max 14°C on Mon morning, min 11°C on Mon night). Winds decreasing (fresh winds from the ENE on Tue night, calm by Wed night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Thu morning, min 8°C on Fri night). Mainly fresh winds.

Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
!
!
1
0
0
0
0
1
0
0
3
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SSE
0.6
SSE
0.7
S
1
S
0.9
S
1.3
E
1.8
E
2.5
E
2.4
ESE
1.8
ESE
1.5
ESE
1
E
1
SSW
0.5
E
0.8
SW
0.7
S
0.9
S
1.6
S
1.1
S
1
S
0.9
S
Period(s) (?)88791067101099868877121098
Wave
Graph
(?)Metric surfscale
Energy kJ (?)454348153145101294120910215053151386832824471775239162109
Wind
(km/h)
10
SSW
15
SSE
5
ESE
20
E
30
ENE
25
ENE
30
ENE
20
ENE
10
NNE
15
SSW
30
SSW
20
WSW
20
SW
15
S
10
W
15
WSW
15
S
15
NE
0
SSW
10
E
0
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
crosscrosscross-
off
crosscrosscross-
off
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
crosscross-
on
cross-
off
glasscrossglass
High Tide
/ height (m)
12:01PM
1.70
12:30AM
1.77
12:54PM
1.73
1:24AM
1.84
1:48PM
1.77
2:18AM
1.91
2:41PM
1.79
3:12AM
1.95
3:36PM
1.82
4:08AM
1.97
4:31PM
1.83
5:03AM
1.97
5:27PM
1.83
Low Tide
/ height (m)
5:56PM
0.27
6:30AM
0.27
6:55PM
0.22
7:34AM
0.23
7:56PM
0.16
8:35AM
0.18
8:55PM
0.12
9:35AM
0.15
9:53PM
0.07
10:31AM
0.11
10:48PM
0.04
11:24AM
0.10
11:42PM
0.04
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Sunrise5:48--5:48--5:48--5:50--5:50--5:52--5:52--
Sunset-9:30--9:30--9:30--9:30--9:30--9:30--9:30-
clear
part cloud
cloud
part cloud
part cloud
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
Rain (mm)
-----31--------------
Temp. °C141311131212131313151513141411131111151614
Feels °C (?)101098658911131089108978131513
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Dunedin - St Clair Surf forecast

The above surf forecast table for Dunedin - St Clair provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dunedin - St Clair can be found by selecting the local surf guide option on the grey menu. Our Dunedin - St Clair surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Dunedin - St Clair) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Dunedin - St Clair may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Dunedin - St Clair is 5 km (3 miles) from Dunedin. If you plan a holiday in Otago, look for hotels and other accommodation in Dunedin. Dunedin has rooms for a wide range of budgets as well as car hire and transport links.

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