Port Robinson 48 hour detailed Surf Forecast

Lat Long: 42.88° S 173.32° E

Issued: 5 pm 17 Jul 2026 (local time)

Forecast update in hr min

Today's Port Robinson sea temperature is

10.8° 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 (18 Jul):

Morning surf: Morning surf (18 Jul, local time) - 5.5ft (1.7m), 23s period with SSE swell.
Afternoon surf: Afternoon surf (18 Jul, local time) - 6ft (1.8m), 21s period with SSE swell.
Evening surf: Evening surf (18 Jul, local time) - 5ft (1.6m), 18s period with SSE swell.

The current surf forecast for Port Robinson at 1AM is: 1.4m 15s primary swell from a East-southeast direction and 0.6m 10s secondary swell from a South direction (forecast issued at 05:00pm July 17). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (NZST) & Date	Wave Height	Wave Period
Morning (18 Jul)	5.5ft (1.7m)	23s
Afternoon (18 Jul)	6ft (1.8m)	21s
Evening (18 Jul)	5ft (1.6m)	18s

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

	Short Range Forecast Mostly dry. Very mild (max 13°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light.
	Fri 17			Saturday 18								Sunday 19
	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)	4	4	4	4	4	4	5	5	5	2	4	4	4	4	4	4	2	2	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 16	ESE 16	ESE 16	ESE 15	ESE 15	SSE 23	SSE 23	SSE 23	SSE 21	SSE 20	SSE 18	SSE 18	SSE 18	SSE 17	SSE 16	SSE 16	SSE 16	SSE 15	SSE 17
Wave Graph
kJ	929	917	871	879	867	1245	2867	3205	2741	2177	1644	1050	1015	789	696	575	513	261	530
Wind (km/h)	S	WSW	WNW	WNW	WNW	WNW	WNW	WNW	NNE	NNE	NW	WNW	WNW	W	WSW	SW	SE	ESE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	glassy	cross-off	cross-off	cross-off	cross-off	cross-off	glassy	glassy	cross-on	cross-off	cross-off	cross-off	off	off	off	cross-on	cross-on	cross-on
High Tide			7:04PM1.89m				7:30AM1.72m				7:59PM1.82m				8:27AM1.68m				8:54PM1.74m
Low Tide					1:27AM0.02m				1:45PM0.01m				2:21AM0.05m				2:41PM0.08m


	—	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—	—	—
	5:13	—	—	—	—	—	—	—	5:14	—	—	—	—	—	—	—	5:15	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	10	9	9	8	7	7	7	10	13	11	10	10	10	10	9	11	11	9	9
Feels °C	7	7	6	5	4	4	4	8	11	7	7	7	6	7	6	8	8	6	6
Swell 1 Height (m) Direction Period (s)	ESE 16	ESE 16	ESE 16	ESE 15	ESE 15	ESE 15	SSE 23	SSE 23	SSE 21	SSE 20	SSE 18	SSE 18	SSE 18	SSE 17	SSE 16	SSE 16	SSE 16	ESE 13	SSE 17
kJ	929	917	871	879	867	845	2867	3205	2741	2177	1644	1050	1015	789	696	575	513	261	530
Swell 2 Height (m) Direction Period (s)	SSE 15	SSE 15	SSE 15	S 10	S 9	SSE 23	ESE 15	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 13	ESE 13	ESE 13	S 9	SSE 9
kJ	246	231	228	78	45	1245	811	687	659	512	504	497	415	415	331	326	265	113	135
Swell 3 Height (m) Direction Period (s)	S 15	—	S 15	SSE 15	SSE 19	S 9	—	—	—	SSE 24	—	SE 22	SSE 22	—	—	SE 21	SE 19	SSE 15	ESE 12
kJ	225	—	157	77	205	85	—	—	—	222	—	382	183	—	—	111	184	259	178
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Port Robinson 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	Fields Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Port Robinson Canterbury	Banks Peninsula - Raupo Bay Canterbury	Motunau Beach Canterbury	Banks Peninsula - Raupo Bay Canterbury
Rating (10 max)	4	4	4	4	4	4	5	5	5	4	4	4	4	4	4	4	4	3	4
Distance (km)	0	0	0	0	0	0	0	0	0	27	0	0	0	0	0	0	89	28	89
Best forecast wave conditions in Canterbury	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Gough Bay	Banks Peninsula - Gough Bay	Banks Peninsula - Magnet Bay	Banks Peninsula - Gough Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Gough Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Stony Bay	Banks Peninsula - Te Oka Bay	Banks Peninsula - Stony Bay	Banks Peninsula - Stony Bay	Banks Peninsula - Stony Bay	Banks Peninsula - Stony Bay
Rating (10 max)	4	4	4	4	4	6	9	8	6	6	5	5	4	4	4	4	4	4	4
Best forecast wave conditions in New Zealand	Tuamotu Island Gisborne and Mahia	Makorori Centre Gisborne and Mahia	Otago Peninsula - Papanui Beach Otago	Makorori Centre Gisborne and Mahia	Makorori Centre Gisborne and Mahia	Makorori Centre Gisborne and Mahia	Dunedin - Bobs Beach Otago	Mangamaunu Kaikoura and Marlborough	Papatowai Catlins	White Rock - The Spit Wairarapa	Papatowai Catlins	Papatowai Catlins	Makorori Centre Gisborne and Mahia	Charleston West Coast South Island	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins
Rating (10 max)	4	4	5	4	4	4	6	5	9	8	9	8	4	5	6	6	6	6	7
Header Global	Easter Reef Australia	Albatross South Africa	Easter Reef Australia	Dunedin - Kuri Bush New Zealand	Dunedin - Kuri Bush 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	Papatowai New Zealand	Papatowai New Zealand	Dunedin - Bobs Beach New Zealand	Charleston New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	6	4	5	6	7	6	6	9	9	8	9	8	5	5	7	6	6	6	7

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

Ben Mondy

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Port Robinson surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Port Robinson 48 hour detailed Surf Forecast

How big are the waves at Port Robinson today (18 Jul):

Short Range Forecast

Latest Updates

How Our WaveFinder Tool Makes Forecasting Easier Than Ever Before

The Five Best Forecasts For International Surfing Day 2026

Best Surf Travel Deals & Discounts For 2026 To Help Make Surf Travel Cheaper

Let Our Surf Alerts Do All Your Forecast Heavy Lifting

Talking To Maddie Meddings on New Film Undercurrents. (And Then Watch It!)

FREE! Surf-Forecast.com widget for your website