Dunedin - St Clair surf break

Dunedin - St Clair surfForecast / Otago / New Zealand

information circle12 Day Weather and Surf, issued 12 am Monday 15 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
14.2° C
(Which is 2.7°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 Tuesday (Dec 16) at 7AM. The primary swell is predicted to be 0.4m and 18s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dunedin - St Clair in the next 12 days are 3.5m 12s and forecast to arrive on Monday (Dec 22) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Monday (Dec 15) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 16th Dec)1.5ft (0.4m) 18s
Best Surf 4AM (Mon 22nd Dec)8ft (2.5m) 9s
Most Powerful 7AM (Mon 22nd Dec)11ft (3.5m) 12s

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 Heavy rain (total 42mm), heaviest during Tue afternoon. Warm (max 21°C on Mon afternoon, min 8°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Fri afternoon. Very mild (max 17°C on Thu morning, min 6°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the SW by Sat afternoon).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sun
21
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
0
1
1
0
0
0
1
1
1
0
1
0
1
0
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
SSW
0.3
SSW
0.2
SSW
0.2
ESE
0.5
S
0.6
SSW
0.6
SSW
0.7
SSW
0.9
SSW
0.5
SSW
0.6
SSW
0.6
SSW
0.7
SSW
0.4
SSW
0.4
SSW
0.6
SSW
0.6
SSW
0.6
SSW
1.5
SSW
1.5
SSW
1.9
SSW
Period(s) (?)141413101817161514131212131212141313878
Wave
Graph
(?)Metric surfscale
Energy kJ (?)413617101562241982283661011171131405752165141135257228408
Wind
(km/h)
10
N
15
NNE
15
NNE
5
SSE
5
NNE
10
SE
20
WSW
20
WSW
15
S
10
NW
0
WSW
15
N
25
SSW
10
W
10
SSW
20
W
30
W
35
SW
25
W
30
WSW
30
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
oncross-
off
cross-
on
crosscrossonoffglassoffcross-
on
cross-
off
cross-
on
cross-
off
cross-
off
crosscross-
off
crosscross
High Tide
/ height (m)
1:15AM
1.65
1:36PM
1.62
2:00AM
1.66
2:20PM
1.61
2:44AM
1.67
3:03PM
1.60
3:26AM
1.68
3:45PM
1.59
4:08AM
1.68
4:27PM
1.58
4:50AM
1.68
5:09PM
1.57
5:33AM
1.67
5:51PM
1.55
Low Tide
/ height (m)
7:29AM
0.39
7:50PM
0.36
8:20AM
0.39
8:37PM
0.35
9:06AM
0.38
9:20PM
0.34
9:49AM
0.36
10:02PM
0.33
10:31AM
0.35
10:42PM
0.32
11:11AM
0.34
11:22PM
0.32
11:51AM
0.34
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sun
21
Sunrise-5:41--5:41--5:41--5:41--5:41--5:41--5:43-
Sunset--9:22--9:23--9:24--9:25--9:25--9:27--9:27
cloud
cloud
light rain
rain showers
thunderstorm
heavy rain
rain showers
cloud
cloud
cloud
cloud
cloud
mod rain
light rain
mod rain
rain showers
part cloud
light rain
rain showers
cloud
part cloud
Rain (mm)
--2710221-----102103-11--
Temp. °C19182112131110131312171716998911101313
Feels °C (?)141418111295991116141277323376
  • Map Icons:
  • Break
  • 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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