Port Robinson 48 hour detailed Surf Forecast

Lat Long: 42.88° S 173.32° E

Issued: 11 am 21 Jul 2026 (local time)

Forecast update in hr min

Today's Port Robinson sea temperature is

10.9° C

Port Robinson 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 Port Robinson today (21 Jul):

Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.1m), 14s period with SSE swell.
Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 13s period with SSE swell.
Evening surf: Evening surf (21 Jul, local time) - 1.5ft (0.5m), 12s period with SSE swell.

The current surf forecast for Port Robinson at 6PM is: 0.7m 12s primary swell from a South-southeast direction and 0.6m 9s secondary swell from a South-southeast direction, 0.3m 4s secondary swell from a Northeast direction (forecast issued at 11:00am July 21). The wind direction is predicted to be cross-onshore.

Time (NZST) & Date	Wave Height	Wave Period
Morning (21 Jul)	3.5ft (1.1m)	14s
Afternoon (21 Jul)	3ft (0.9m)	13s
Evening (21 Jul)	1.5ft (0.5m)	12s

Table - waves today at Port Robinson. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 16°C on Thu afternoon, min 7°C on Tue morning). Wind will be generally light.
	Tue 21					Wednesday 22								Thursday 23
	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)	3	2	1	0	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSE 14	SSE 14	SSE 13	SSE 12	SSE 12	SSE 11	SSE 11	SSE 11	S 10	S 10	SSE 10	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 10	SSE 11	S 9	NE 6	SSE 10
Wave Graph
kJ	439	421	294	131	82	133	135	102	56	53	34	34	34	29	28	26	20	23	14	35	18
Wind (km/h)	WNW	NW	NE	NNE	WNW	WNW	WNW	W	W	SW	SSE	NE	N	N	NNE	NNW	NNW	NNW	WNW	NW	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	glassy	cross-on	cross-on	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	glassy	glassy	cross-on	cross-on	cross-on	cross	cross	cross	cross-off	cross-off	cross
High Tide		10:20AM1.59m				10:42PM1.58m				11:14AM1.57m				11:35PM1.52m					12:06PM1.55m
Low Tide				4:32PM0.23m				4:58AM0.21m				5:25PM0.30m				5:47AM0.27m					6:17PM0.35m


	7:48	—	—	—	—	—	—	7:48	—	—	—	—	—	—	—	7:47	—	—	—	—	—
	—	—	5:16	—	—	—	—	—	—	—	5:17	—	—	—	—	—	—	—	5:19	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	7	9	10	10	9	8	7	7	7	9	10	9	9	8	8	8	9	12	16	14	13
Feels °C	4	7	7	7	6	5	3	4	4	7	8	7	6	4	4	5	6	9	12	10	10
Swell 1 Height (m) Direction Period (s)	SSE 14	SSE 14	SSE 13	SSE 12	SSE 9	SSE 11	SSE 11	SSE 11	S 10	S 10	SSE 10	SSE 9	SSE 13	SSE 12	SSE 12	SSE 12	NE 4	ENE 5	ENE 5	NE 6	NE 6
kJ	439	421	294	131	61	133	135	102	56	53	31	16	34	29	28	26	5	9	11	18	9
Swell 2 Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 11	SSE 9	SSE 12	ESE 11	ESE 11	ESE 11	SSE 14	SSE 14	SSE 13	SSE 13	SSE 9	S 9	ESE 12	ENE 4	SSE 10	SSE 11	S 9	SSE 9	SSE 10
kJ	71	48	48	59	82	24	23	23	36	18	34	34	16	6	14	3	20	23	14	16	18
Swell 3 Height (m) Direction Period (s)	NE 4	ENE 4	ENE 4	ESE 11	SE 11	NE 5	NE 6	NE 5	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11
kJ	4	3	2	49	31	4	5	1	23	11	11	11	11	12	14	14	14	14	13	12	12
Wind waves Height (m) Direction Period (s)	—	—	—	NE 4	—	—	—	—	—	—	—	—	—	—	ENE 3	NE 4	—	—	—	NE 6	NNW 3
kJ	—	—	—	3	—	—	—	—	—	—	—	—	—	—	1	7	—	—	—	35	2
Nearest Offshore or Glassy	Port Robinson Canterbury	Port Robinson Canterbury	Motunau Beach Canterbury	Fields Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Oaro Kaikoura and Marlborough	Fields Canterbury	Fields Canterbury	Gore Bay Canterbury	Mangamaunu Kaikoura and Marlborough	Gore Bay Canterbury	Banks Peninsula - Hickory Bay Canterbury	Gore Bay Canterbury	Shag Beach Otago
Rating (10 max)	3	2	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	28	27	0	0	0	0	0	0	0	0	44	27	27	1	73	1	101	1	344
Best forecast wave conditions in Canterbury	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Gough Bay	Gore Bay
Rating (10 max)	4	3	3	3	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1
Best forecast wave conditions in New Zealand	Diners Beach Gisborne and Mahia	Wainui Beach - Stockroute Gisborne and Mahia	Raglan-Indicators Raglan and West Waikato	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Diners Beach Gisborne and Mahia	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Tauranga Bay West Coast South Island	Tauranga Bay West Coast South Island	Stent Road Taranaki	Raglan-Indicators Raglan and West Waikato	Stent Road Taranaki	Little Wanganui West Coast South Island	Shipwrecks Bay-Peaks Northland	Purakaunui Bay Catlins	Purakaunui Bay Catlins
Rating (10 max)	5	4	3	4	4	4	4	4	4	4	4	4	3	3	3	3	4	3	3	2	2
Header Global	Diners Beach New Zealand	Purakaunui Bay New Zealand	Purakaunui Bay New Zealand	Asu Indonesia	Asu Indonesia	Aganoa Beach Samoa	Chameau Mauritius	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Injidup Carpark Australia	Gas Bay Australia	Viri Inga O Tuki Chile	Cathedral Rock Australia	Viri Inga O Tuki Chile	Point Roadnight Australia	Boulders Samoa	Cobblestones Australia	Brak River South Africa
Rating (10 max)	5	5	5	4	4	4	4	5	5	5	6	6	5	5	8	9	6	6	4	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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Port Robinson 48 hour detailed Surf Forecast

How big are the waves at Port Robinson today (21 Jul):

Short Range Forecast

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