Colac Bay 48 hour detailed Surf Forecast

Lat Long: 46.36° S 167.90° E

Issued: 5 am 16 Jul 2026 (local time)

Forecast update in hr min

Today's Colac Bay sea temperature is

11.2° C

Colac Bay 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 Colac Bay today (16 Jul):

Morning surf: Morning surf (16 Jul, local time) - 10ft (3.0m), 13s period with W swell.
Afternoon surf: Afternoon surf (16 Jul, local time) - 11ft (3.5m), 14s period with W swell.
Evening surf: Evening surf (16 Jul, local time) - 10ft (3.0m), 15s period with W swell.

The current surf forecast for Colac Bay at 8PM is: 3.0m 15s primary swell from a West direction and 0.1m 17s secondary swell from a South direction, 0.4m 16s secondary swell from a Southeast direction (forecast issued at 05:00am July 16). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (NZST) & Date	Wave Height	Wave Period
Morning (16 Jul)	10ft (3.0m)	13s
Afternoon (16 Jul)	11ft (3.5m)	14s
Evening (16 Jul)	10ft (3.0m)	15s

Table - waves today at Colac Bay. (Swell directed towards the surf break)

	Short Range Forecast Moderate rain (total 11mm), heaviest on Sat afternoon. Very mild (max 12°C on Fri afternoon, min 7°C on Sat night). Winds decreasing (fresh winds from the WNW on Sat morning, calm by Sat night).
	Thursday 16							Friday 17								Saturday 18								Sun 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	12 AM
Rating (10 max)	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	W 14	W 14	W 13	W 14	W 14	W 15	W 15	W 15	W 15	W 15	W 15	W 15	W 14	W 14	W 15	WSW 18	WSW 18	WSW 18	W 17	W 17	W 16	WSW 16	WSW 16	WSW 15
Wave Graph
kJ	3648	3491	3471	3917	4191	4167	4340	4292	4292	4235	4178	4121	3776	3776	3375	6073	5559	5699	5557	5587	4757	3931	3299	2560
Wind (km/h)	W	W	W	W	W	W	WNW	WNW	WNW	WNW	W	WNW	WNW	WNW	NW	NW	WNW	WNW	WNW	WNW	SSW	SSW	WSW	SW
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	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	off	off	off	cross-off	cross-off	cross-on	glassy	glassy	glassy
High Tide	2:17AM2.58m				2:51PM2.59m					3:07AM2.57m				3:39PM2.54m				3:57AM2.52m				4:27PM2.46m
Low Tide			8:41AM0.06m					9:04PM0.23m				9:31AM0.10m				9:54PM0.28m				10:21AM0.20m				10:43PM0.38m


	—	8:25	—	—	—	—	—	—	—	8:25	—	—	—	—	—	—	—	8:23	—	—	—	—	—	8:22
	—	—	—	—	5:22	—	—	—	—	—	—	—	5:23	—	—	—	—	—	—	—	5:24	—	—	5:25
mm	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	7	1	—	—
Temp °C	10	9	9	10	10	9	8	8	8	8	9	10	12	11	10	10	10	10	12	11	9	8	8	7
Feels °C	1	1	1	2	2	2	1	1	1	1	2	3	6	5	4	4	3	2	4	5	6	6	6	5
Swell 1 Height (m) Direction Period (s)	S 16	S 16	S 16	S 15	—	S 17	S 17	S 16	S 16	S 15	S 15	S 14	—	S 18	WSW 19	WSW 18	WSW 18	SSE 19	SSE 18	S 18	S 17	WSW 16	WSW 16	WSW 15
kJ	78	78	77	113	—	6	6	5	5	4	4	191	—	6	1123	6073	5559	73	64	24	23	3931	3299	2560
Swell 2 Height (m) Direction Period (s)	ESE 13	ESE 13	ESE 14	ESE 14	SE 16	SE 16	SE 16	SE 16	SE 16	SE 16	SE 16	SE 16	S 15	SE 16	SSE 18	SSE 21	SSE 20	SE 15	SE 15	SE 13	SE 13	S 16	S 16	S 16
kJ	16	17	19	20	43	42	69	69	96	89	169	165	109	260	33	88	78	215	212	7	7	21	20	19
Swell 3 Height (m) Direction Period (s)	—	—	SE 18	SE 17	—	—	—	—	—	—	—	S 19	S 9	—	—	—	—	—	—	—	S 22	SE 13	SE 13	SE 13
kJ	—	—	13	12	—	—	—	—	—	—	—	29	27	—	—	—	—	—	—	—	9	7	7	7
Wind waves Height (m) Direction Period (s)	W 14	W 14	W 13	W 14	W 14	W 15	W 15	W 15	W 15	W 15	W 15	W 15	W 14	W 14	W 15	WNW 18	WNW 18	WSW 18	W 17	W 17	W 16	—	SW 16	—
kJ	3648	3491	3471	3917	4191	4167	4340	4292	4292	4235	4178	4121	3776	3776	3375	65	63	5699	5557	5587	4757	—	64	—
Nearest Offshore or Glassy	Kaka Point Catlins	Warrington Otago	Possums Reef Otago	Possums Reef Otago	Possums Reef Otago	Warrington Otago	Dunedin - Bobs Beach Otago	Dunedin - Taieri Mouth Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Dunedin - Bobs Beach Otago	Bluecliffs Southland	Dunedin - Bobs Beach Otago	Bluecliffs Southland	Mitchell's Bay Southland	Mitchell's Bay Southland	Dunedin - Taieri Mouth Otago	Dunedin - Taieri Mouth Otago	Dunedin - Taieri Mouth Otago	Dunedin - Taieri Mouth Otago	Frentzes Southland	Frentzes Southland	Mitchell's Bay Southland	Porridge Southland
Rating (10 max)	3	1	1	1	1	2	4	4	4	4	4	9	4	9	3	1	7	6	6	5	5	5	1	5
Distance (km)	146	221	222	222	222	221	180	182	180	180	180	44	180	44	11	11	182	182	182	182	17	17	11	13
Best forecast wave conditions in Southland												Bluecliffs		Bluecliffs	Mitchell's Bay	Mitchell's Bay					Frentzes	Bluecliffs	Mitchell's Bay	Porridge
Rating (10 max)												9		9	3	1					5	5	1	5
Best forecast wave conditions in New Zealand	Shingles West Coast South Island	Wainui Reef Wanganui-Manawatu	Shipwrecks Bay-Peaks Northland	Crossroads Otago	Shipwrecks Bay-Peaks Northland	Shipwrecks Bay-Peaks Northland	Dunedin - Cob Cottage Otago	Little Wanganui West Coast South Island	Otago Peninsula - Papanui Beach Otago	Makorori Centre Gisborne and Mahia	Makorori Centre Gisborne and Mahia	Dunedin - Bobs Beach Otago	Otago Peninsula - Papanui Beach Otago	Bluecliffs Southland	Papatowai Catlins	Otago Peninsula - Papanui Beach Otago	Dunedin - Kuri Bush Otago	Dunedin - St Kilda Beach Otago	Dunedin - Kuri Bush Otago	Mangamaunu Kaikoura and Marlborough	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins
Rating (10 max)	5	3	4	3	4	4	7	4	5	4	4	9	5	9	9	8	7	6	6	5	9	9	9	7
Header Global	Shingles New Zealand	Shipstern Bluff Australia	Hell South Africa	Gerickes Point South Africa	Boneyards South Africa	Boneyards South Africa	Dunedin - Cob Cottage New Zealand	Easter Reef Australia	Otago Peninsula - Allans Beach New Zealand	Lebu Chile	Easter Reef Australia	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Cob Cottage New Zealand	Dunedin - Kuri Bush New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	5	5	5	5	7	5	5	6	6	9	6	8	9	8	7	6	6	8	9	9	9	7

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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Colac Bay 48 hour detailed Surf Forecast

How big are the waves at Colac Bay today (16 Jul):

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