Catlins River Mouth 48 hour detailed Surf Forecast

Lat Long: 46.48° S 169.72° E

Issued: 5 am 17 Jul 2026 (local time)

Forecast update in hr min

Today's Catlins River Mouth sea temperature is

10.8° C

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

Surf Forecasts:

How big are the waves at Catlins River Mouth today (17 Jul):

Morning surf: Morning surf (17 Jul, local time) - 8ft (2.5m), 15s period with SSW swell.
Afternoon surf: Afternoon surf (17 Jul, local time) - 15ft (4.5m), 14s period with SW swell.
Evening surf: Evening surf (17 Jul, local time) - 16ft (5.0m), 15s period with SW swell.

The current surf forecast for Catlins River Mouth at 9AM is: 2.5m 15s primary swell from a South-southwest direction and 0.9m 16s secondary swell from a East-southeast direction (forecast issued at 05:00am July 17). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & Date	Wave Height	Wave Period
Morning (17 Jul)	8ft (2.5m)	15s
Afternoon (17 Jul)	15ft (4.5m)	14s
Evening (17 Jul)	16ft (5.0m)	15s

Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)

	Short Range Forecast Moderate rain (total 19mm), heaviest on Sat night. Very mild (max 12°C on Fri afternoon, min 7°C on Sun morning). Winds decreasing (fresh winds from the W on Fri morning, light winds from the W by Sun night).
	Friday 17							Saturday 18								Sunday 19
	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	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	2	2	2	2	!	!	!	!	!	!	!	!	4	!	4	5	3	3	4	3	3	4	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 16	SSW 15	SSW 15	SSW 15	SW 14	SW 14	SW 15	SSW 19	SSW 18	SSW 18	SSW 18	SSW 17	SSW 17	SW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14
Wave Graph
kJ	3623	3262	3009	2705	8233	8575	10818	8297	8606	8205	7599	6560	5733	10943	4066	3622	2869	2684	2648	2648	2817	2840	2541
Wind (km/h)	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	W	WNW	W	WSW	WSW	SW	WSW	W	WSW	WSW	W	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide		4:51AM2.53m				5:23PM2.50m				5:41AM2.48m					6:11PM2.44m				6:32AM2.42m				6:59PM2.36m
Low Tide				11:10AM0.53m				11:33PM0.68m				12:00PM0.61m					00:22AM0.76m				12:51PM0.72m


	—	8:18	—	—	—	—	—	—	—	8:17	—	—	—	—	—	—	—	8:15	—	—	—	—	—
	—	—	—	—	5:15	—	—	—	—	—	—	—	5:16	—	—	—	—	—	—	—	5:17	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	1	1	5	7	4	1	—	—	—	—	—	—
Temp °C	10	11	10	11	12	11	10	11	12	12	12	11	11	10	10	10	10	8	7	9	9	9	9
Feels °C	3	4	3	4	6	6	6	5	6	6	7	6	6	4	6	7	6	3	2	5	4	5	6
Swell 1 Height (m) Direction Period (s)	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 17	SSW 19	SSW 18	SSW 18	SSW 18	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14
kJ	3623	3262	3009	2705	2581	2581	4647	8297	8606	8205	7599	6560	5733	4842	4066	3622	2869	2684	2648	2648	2817	2840	2541
Swell 2 Height (m) Direction Period (s)	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 15	ESE 15	ESE 15	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 13	ESE 13	ESE 13	ESE 13	ESE 13	ESE 13	ESE 13
kJ	291	288	397	505	545	627	620	649	632	702	584	553	530	402	384	379	373	373	304	269	215	215	189
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	S 24	—	S 22	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	173	—	233	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	W 3	W 3	W 3	W 3	SW 14	SW 14	SW 15	—	NW 5	NW 5	—	WNW 6	NW 6	SW 16	—	—	—	—	SW 14	—	—	—	—
kJ	8	8	8	6	8233	8575	10818	—	43	40	—	100	75	10943	—	—	—	—	2423	—	—	—	—
Nearest Offshore or Glassy	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Taieri Mouth Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Papatowai Catlins	Dunedin - Taieri Mouth Otago	Nugget Point Catlins	Catlins River Mouth Catlins	Nugget Point Catlins	Nugget Point Catlins	Nugget Point Catlins	Nugget Point Catlins	Nugget Point Catlins	Catlins River Mouth Catlins	Catlins River Mouth Catlins
Rating (10 max)	4	4	4	4	4	4	4	6	7	7	6	6	9	5	4	5	4	4	4	4	4	4	4
Distance (km)	57	57	57	57	57	57	57	61	57	57	57	57	21	61	8	0	8	8	8	8	8	0	0
Best forecast wave conditions in Catlins													Papatowai		Nugget Point	Papatowai	Kaka Point	Papatowai	Papatowai	Papatowai	Papatowai	Papatowai	Papatowai
Rating (10 max)													9		4	8	5	6	6	6	6	6	6
Best forecast wave conditions in New Zealand	Otago Peninsula - Papanui Beach Otago	Otago Peninsula - Papanui Beach Otago	Otago Peninsula - Papanui Beach Otago	Otago Peninsula - Papanui Beach Otago	Tuamotu Island Gisborne and Mahia	Wainui Beach - Whales Gisborne and Mahia	Otago Peninsula - Papanui Beach Otago	Dunedin - Kuri Bush Otago	Dunedin - Kuri Bush Otago	Dunedin - Bobs Beach Otago	Dunedin - Cob Cottage Otago	White Rock - The Spit Wairarapa	Papatowai Catlins	White Rock - The Spit Wairarapa	Shingles West Coast South Island	Papatowai Catlins	Otago Peninsula - Papanui Beach Otago	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins
Rating (10 max)	5	5	5	5	4	4	5	6	7	7	6	9	9	9	5	8	5	6	6	6	6	6	6
Header Global	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Kleinemonde South Africa	Otago Peninsula - Allans Beach New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Dunedin - Cob Cottage New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	6	6	6	5	5	6	7	7	6	9	9	9	8	8	6	6	6	6	6	6	6

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

Latest Updates

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Catlins River Mouth 48 hour detailed Surf Forecast

How big are the waves at Catlins River Mouth today (17 Jul):

Short Range Forecast

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