Dunedin - Cob Cottage Surf Forecast

/ Otago (35 surf breaks) /

New Zealand (466 surf breaks)

Surf Forecasts:

Dunedin - Cob Cottage surfForecast / Otago / New Zealand

12 Day Weather and Surf, issued 5 am Thursday 18 Sep 2025 NZST

Forecast update in hr min s Forecast update imminent

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

Today's Dunedin - Cob Cottage sea temperature is 10.2° C
(Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Dunedin - Cob Cottage this week:

The surf forecast for Dunedin - Cob Cottage over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 6AM. The primary swell is predicted to be 2.0m and 10s period with a secondary swell of 2.0m and 9s. Another secondary swell of 0.3m and 16s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Dunedin - Cob Cottage in the next 12 days are 2.0m 12s and forecast to arrive on Friday (Sep 19) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Sunday (Sep 21) at 9AM.

Wave Type	Time (NZST) & Date	Wave Height & Period
Next good surf (1 star+)	6AM (Fri 19th Sep)	6.5ft (2.0m) 10s
Best Surf	6AM (Fri 19th Sep)	6.5ft (2.0m) 10s
Most Powerful	9PM (Fri 19th Sep)	6.5ft (2.0m) 12s

Table - best surf conditions forecast for Dunedin - Cob Cottage over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 14°C on Sat afternoon, min 3°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu afternoon, calm by Fri morning).									Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Tue night. Very mild (max 16°C on Sun afternoon, min 7°C on Sun night). Wind will be generally light.
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	1	2	3	1	4	3	1	1	1	1	1	0	0	1	1	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	SW	SSW	S	S	S	S	S	NE	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	SSW	SSW
Period(s) (?)	12	8	8	10	10	13	13	13	6	15	15	14	14	13	12	12	15	14	4	14	14
Wave Graph (?)
kJ (?)	75	320	509	723	1048	1145	643	398	80	73	75	67	115	101	59	29	121	118	10	69	69
Wind (km/h)	W	WSW	WSW	NW	ENE	NNW	NNW	NE	N	NW	NNW	NNW	NNE	NE	NW	WSW	E	E	NNE	NE	N
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	off	cross- on	cross- off	glass	cross	cross- off	off	cross- off	cross- off	cross	cross	cross- off	cross- off	on	cross- on	cross	cross- on	cross- off
High Tide / height (m)		12:16PM 1.84	12:35AM 1.76		1:02PM 1.85	1:20AM 1.79		1:44PM 1.85	2:01AM 1.80		2:24PM 1.83	2:40AM 1.79		3:01PM 1.80		3:19AM 1.77	3:39PM 1.75		3:58AM 1.73	4:18PM 1.68
Low Tide / height (m)			6:23PM 0.25	6:41AM 0.16		7:09PM 0.21	7:26AM 0.14		7:50PM 0.20	8:07AM 0.15		8:30PM 0.20	8:47AM 0.17		9:08PM 0.22	9:27AM 0.22		9:46PM 0.26	10:08AM 0.28		10:27PM 0.32

	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
Sunrise	6:35	-	-	6:33	-	-	6:31	-	-	6:30	-	-	6:28	-	-	6:26	-	-	6:24	-	-
Sunset	-	6:30	-	-	6:30	-	-	6:31	-	-	6:32	-	-	6:35	-	-	6:36	-	-	6:37	-

Rain (mm)	-	2	2	-	-	-	-	-	-	-	-	-	-	-	-	-	4	12	1	-	-
Temp. °C	12	8	4	9	9	5	12	14	10	14	16	10	13	14	11	11	9	8	10	11	8
Feels °C (?)	5	0	-3	6	3	0	9	11	6	12	12	7	11	11	8	8	7	5	8	8	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Otago

Wind Update Continuing clean conditions at Dunedin - Cob Cottage (calm at DunedinAeroAws 10 km from Dunedin - Cob Cottage). 0.8m 9s swell from the S with a 0.5m 12s groundswell from the SSE and a 0.2m 4s local chop from the W. 3 swells combining to make bigger set waves.
1 hour 30 minutes ago Dunedin - Cob Cottage

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1 h 30 min ago

4 km/h

NNE

Clean

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Information about the Dunedin - Cob Cottage Surf forecast

The above surf forecast table for Dunedin - Cob Cottage provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dunedin - Cob Cottage can be found by selecting the local surf guide option on the grey menu. Our Dunedin - Cob Cottage 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 - Cob Cottage) 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 - Cob Cottage 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 - Cob Cottage is 17 km (11 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.