Sponge bay 48 hour detailed Surf Forecast

Lat Long: 38.70° S 178.06° E

Issued: 5 am 22 Jul 2026 (local time)

Forecast update in hr min

Today's Sponge bay sea temperature is

12.7° C

Sponge 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 Sponge bay today (22 Jul):

Morning surf: Morning surf (22 Jul, local time) - 3ft (0.9m), 13s period with SSE swell.
Afternoon surf: Afternoon surf (22 Jul, local time) - 2.5ft (0.8m), 12s period with SSE swell.
Evening surf: Evening surf (22 Jul, local time) - 2.5ft (0.8m), 13s period with SSE swell.

The current surf forecast for Sponge bay at 9AM is: 0.9m 13s primary swell from a South-southeast direction and 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 05:00am July 22). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (NZST) & Date	Wave Height	Wave Period
Morning (22 Jul)	3ft (0.9m)	13s
Afternoon (22 Jul)	2.5ft (0.8m)	12s
Evening (22 Jul)	2.5ft (0.8m)	13s

Table - waves today at Sponge bay. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 2mm), mostly falling on Fri night. Very mild (max 14°C on Thu afternoon, min 7°C on Wed morning). Wind will be generally light.
	Wednesday 22							Thursday 23								Friday 24
	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	1	0	1	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 13	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 13	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 12	SSE 12	SSE 11	SSE 11	SSE 10	SSE 10	SSE 10	ESE 11	E 9	E 13	SSE 9
Wave Graph
kJ	342	326	257	193	187	169	181	189	142	121	86	85	56	53	24	23	21	20	19	11	23	13	8
Wind (km/h)	NW	NW	WNW	E	E	NNE	NW	WNW	NW	NW	NW	N	NNE	N	NW	NW	NW	NW	NNW	NNW	NW	N	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	glassy	cross	glassy	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off
High Tide					12:13PM1.94m				00:29AM1.96m				12:59PM1.88m				1:10AM1.87m				1:42PM1.82m
Low Tide			6:06AM0.56m				6:19PM0.64m				6:49AM0.58m				7:05PM0.70m				7:32AM0.62m				7:52PM0.75m


	—	7:18	—	—	—	—	—	—	—	7:16	—	—	—	—	—	—	—	7:16	—	—	—	—	—
	—	—	—	—	5:09	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:10	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	7	7	7	10	10	11	9	8	8	7	8	12	14	12	9	9	9	9	10	14	14	12	12
Feels °C	3	3	4	8	8	10	7	5	5	3	4	9	10	8	5	5	4	5	7	9	9	8	8
Swell 1 Height (m) Direction Period (s)	SSE 13	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 13	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 12	SSE 12	ENE 4	SSE 11	ENE 6	ENE 6	ENE 6	ENE 6	E 9	ENE 8	E 12
kJ	342	326	257	193	187	169	181	189	142	121	86	85	56	53	6	23	6	7	7	8	23	24	110
Swell 2 Height (m) Direction Period (s)	ESE 10	ESE 11	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 12	ESE 10	ESE 11	ESE 11	ESE 11	ENE 4	SSE 11	ENE 4	SSE 10	SSE 10	SSE 10	SSE 10	SSE 9	SSE 9	SSE 9
kJ	43	45	42	37	36	22	35	21	14	10	23	23	23	6	24	4	21	20	19	9	9	8	8
Swell 3 Height (m) Direction Period (s)	—	—	—	—	E 4	E 4	ESE 10	E 4	ESE 10	ESE 12	E 4	E 4	E 4	ESE 11	ESE 11	ESE 11	ESE 10	ESE 10	ESE 10	ESE 11	ESE 11	E 13	E 11
kJ	—	—	—	—	1	1	43	1	9	14	1	1	3	23	23	11	11	10	10	11	12	13	2
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	ENE 4	ENE 4	NNW 3	—	—	—	NNW 2	—	—	—	NNE 3
kJ	—	—	—	—	—	—	—	—	—	—	—	—	10	10	2	—	—	—	1	—	—	—	10
Nearest Offshore or Glassy	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Tuamotu Island Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Sponge bay Gisborne and Mahia	Tuahine Point Gisborne and Mahia	Makorori North Gisborne and Mahia	Happy Jacks Gisborne and Mahia	Happy Jacks Gisborne and Mahia	Happy Jacks Gisborne and Mahia	Loisell's East Cape	Wainui Beach - Pines Gisborne and Mahia	Wainui Beach - Whales Gisborne and Mahia	Tuamotu Island Gisborne and Mahia
Rating (10 max)	2	2	2	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	9	37	37	37	36	3	5	1
Best forecast wave conditions in Gisborne and Mahia	Diners Beach	Diners Beach	Diners Beach	Diners Beach	Diners Beach	Makorori Centre	Makorori Centre	Diners Beach	Makorori Centre	Makorori Centre	Makorori Centre	Makorori Centre	Makorori Centre	Tuamotu Island	Makorori Centre	Diners Beach	Blacks Reef	Mahanga Beach	Blacks Reef		Makorori Point	Wainui Beach - Whales	Tuamotu Island
Rating (10 max)	4	3	3	3	3	1	2	2	1	1	1	1	1	1	1	1	1	1	1		1	1	1
Best forecast wave conditions in New Zealand	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Blaketown Wedge West Coast South Island	Blaketown Wedge West Coast South Island	Blaketown Wedge West Coast South Island	Blaketown Wedge West Coast South Island	Stent Road Taranaki	Waimarie West Coast South Island	Makorori Centre Gisborne and Mahia	Raglan-Indicators Raglan and West Waikato	Waimarie West Coast South Island	Waimarie West Coast South Island	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Otago Peninsula - Papanui Beach Otago	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins
Rating (10 max)	4	4	4	4	4	4	3	3	3	3	4	3	1	3	3	2	2	3	4	2	4	4	5
Header Global	Fare Left French Polynesia	Fare Left French Polynesia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Gas Bay Australia	Bancoora Australia	Cobblestones Australia	Cathedral Rock Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Boneyards South Africa	Albatross South Africa	Brak River South Africa	Point Roadnight Australia	Point Roadnight Australia	Dolphin Point South Africa	Boneyards South Africa	Boneyards South Africa	Glen Eden South Africa
Rating (10 max)	5	5	5	5	6	6	5	5	5	5	9	5	4	4	4	4	4	9	9	9	9	8	9

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 Sponge bay 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.

Sponge bay 48 hour detailed Surf Forecast

How big are the waves at Sponge bay today (22 Jul):

Short Range Forecast

Latest Updates

Summer School: The Timeline of The Boardshort

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

FREE! Surf-Forecast.com widget for your website