Catlins River Mouth Surf Forecast

/ Catlins (9 surf breaks) /

New Zealand (466 surf breaks) / Lat Long: (46.48° S 169.72° E)

Surf Forecasts:

Catlins River Mouth surfForecast / Catlins / New Zealand

12 Day Weather and Surf, issued 6 am Monday 17 Nov 2025 NZDT

Forecast update in hr min s Forecast update imminent

Catlins River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Catlins River Mouth sea temperature is 12.6° C
(Which is 2.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Catlins River Mouth this week:

The surf forecast for Catlins River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 18) at 1PM. The primary swell is predicted to be 2.3m and 9s period with a secondary swell of 1.7m and 10s. Another secondary swell of 0.2m and 14s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Catlins River Mouth in the next 12 days are 3.0m 12s and forecast to arrive on Sunday (Nov 23) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Friday (Nov 21) at 1AM.

Wave Type	Time (NZDT) & Date	Wave Height & Period
Next good surf (1 star+)	1PM (Tue 18th Nov)	7.5ft (2.3m) 9s
Best Surf	1PM (Tue 18th Nov)	7.5ft (2.3m) 9s
Most Powerful	10AM (Sun 23rd Nov)	10ft (3.0m) 12s

Table - best surf conditions forecast for Catlins River Mouth over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Some drizzle, heaviest during Tue afternoon. Very mild (max 19°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light.									Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Thu night. Warm (max 23°C on Thu morning, min 9°C on Sat night). Wind will be generally light.
	Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	1	2	2	3	1	2	1	0	3	2	1	3	2	1	3	3	2	2	3	0	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	SW	SW	SSW	SSW	SW	SW	SW	SW	SW	SSW	SW	SW	SW
Period(s) (?)	8	10	10	9	10	10	10	9	15	15	16	15	14	14	16	14	14	13	12	12	11
Wave Graph (?)
kJ (?)	209	516	747	859	618	370	289	360	503	314	425	584	482	245	729	752	811	572	2387	597	1167
Wind (km/h)	NNE	NNE	NNE	NNE	SSW	N	NE	NE	NW	N	NE	WNW	WSW	SSE	WNW	W	SE	W	WSW	SW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross	cross	off	cross- off	cross	off	cross- off	cross- on	glass	glass	on	cross- off	cross- off	cross	cross- off
High Tide / height (m)		2:01PM 2.27	2:21AM 2.31		2:41PM 2.29	3:01AM 2.33		3:18PM 2.30	3:39AM 2.33		3:54PM 2.30		4:17AM 2.32	4:29PM 2.27		4:54AM 2.29	5:05PM 2.23		5:33AM 2.25	5:42PM 2.19
Low Tide / height (m)			8:12PM 0.97	8:33AM 1.00		8:52PM 0.97	9:13AM 1.02		9:30PM 0.97	9:51AM 1.03		10:07PM 0.98	10:28AM 1.05		10:44PM 0.98	11:05AM 1.06		11:21PM 0.99	11:42AM 1.07		12:01AM 1.00

	Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23
Sunrise	5:56	-	-	5:54	-	-	5:54	-	-	5:52	-	-	5:52	-	-	5:50	-	-	5:50	-	-
Sunset	-	8:54	-	-	8:57	-	-	8:58	-	-	9:00	-	-	9:00	-	-	9:01	-	-	9:04	-

Rain (mm)	-	-	-	-	1	-	-	-	-	-	-	1	2	-	-	-	-	-	-	-	-
Temp. °C	16	19	18	19	13	11	14	15	15	23	22	19	10	12	10	12	12	11	14	11	10
Feels °C (?)	12	15	13	16	10	9	11	10	13	20	21	17	7	10	8	11	9	9	8	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)

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Information about the Catlins River Mouth Surf forecast

The above surf forecast table for Catlins River Mouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Catlins River Mouth can be found by selecting the local surf guide option on the grey menu. Our Catlins River Mouth 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 (Catlins River Mouth) 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 Catlins River Mouth 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.

Catlins River Mouth is 91 km (57 miles) from Dunedin. If you plan a holiday in Catlins, 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.