J-Bay 48 hour detailed Surf Forecast

Lat Long: 34.05° S 24.93° E

Issued: 1 pm 21 Jul 2026 (local time)

Forecast update in hr min

Today's J-Bay sea temperature is

17.6° C

J-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 J-Bay today (21 Jul):

Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.1m), 16s period with SSW swell.
Afternoon surf: Afternoon surf (21 Jul, local time) - 7ft (2.2m), 14s period with SSW swell.
Evening surf: Evening surf (21 Jul, local time) - 10ft (3.0m), 14s period with SW swell.

The current surf forecast for J-Bay at 9PM is: 3.0m 14s primary swell from a Southwest direction and 1.0m 11s secondary swell from a East-southeast direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (21 Jul)	3.5ft (1.1m)	16s
Afternoon (21 Jul)	7ft (2.2m)	14s
Evening (21 Jul)	10ft (3.0m)	14s

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

	Short Range Forecast Light rain (total 6mm), mostly falling on Thu night. Very mild (max 19°C on Thu afternoon, min 13°C on Tue night). Winds increasing (light winds from the SE on Tue afternoon, fresh winds from the WSW by Thu afternoon).
	Tue 21					Wednesday 22								Thursday 23
	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	4	3	3	4	3	3	4	4	4	2	2	3	3	3	4	4	4	4	2	3	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 15	SW 14	SSW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12	SW 12	SSW 13	SW 12	SW 12	SW 12	SW 11	SW 11	SW 11
Wave Graph
kJ	1396	1929	2689	2889	2567	2207	2045	1651	1474	1319	1200	1200	1305	850	721	607	957	1775	2592	2985	2561
Wind (km/h)	WSW	SE	SE	ENE	NNE	NNE	N	NNW	WSW	WSW	WSW	W	WSW	W	WNW	WNW	W	WSW	WSW	W	SSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	cross-on	cross-on	cross-on	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	cross-off	cross-off	cross-off	cross-off	cross
High Tide	8:10AM1.14m				8:45PM1.26m				9:10AM1.04m				9:52PM1.15m				10:51AM0.98m
Low Tide			2:10PM0.49m				3:10AM0.59m				3:05PM0.61m				4:31AM0.65m				4:37PM0.69m


	—	—	—	—	—	—	7:20	—	—	—	—	—	—	—	7:18	—	—	—	—	—	—
	—	—	5:31	—	—	—	—	—	—	—	5:32	—	—	—	—	—	—	—	5:32	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4
Temp °C	16	17	16	15	14	13	13	13	17	18	16	15	16	15	13	13	17	19	17	16	15
Feels °C	15	16	14	14	13	11	11	11	14	13	12	12	13	13	11	11	16	14	11	11	11
Swell 1 Height (m) Direction Period (s)	SW 15	SW 14	SSW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12	SSW 13	WSW 12	SW 12	SW 12	SW 12	SE 12	ESE 12	SW 11
kJ	1396	1929	2689	2889	2567	2207	2045	1651	1474	1319	1200	1200	1305	700	658	607	957	1313	110	91	2561
Swell 2 Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 12	ESE 12	SSW 13	SSW 12	ESE 12	SE 12	E 8	E 9	SSW 20
kJ	352	305	281	242	242	226	270	226	226	190	197	166	177	158	721	505	123	110	12	13	307
Swell 3 Height (m) Direction Period (s)	E 10	—	—	E 9	E 10	E 9	E 9	ESE 14	ESE 14	—	SSW 15	SSW 14	ESE 12	ESE 12	ESE 12	ESE 12	SW 12	E 8	S 23	SSW 22	SE 12
kJ	8	—	—	7	7	7	7	105	105	—	167	215	237	218	158	158	37	21	10	45	66
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	NE 4	—	WSW 3	WSW 5	WSW 5	WSW 5	SW 12	—	—	—	SW 12	SW 11	SW 11	—
kJ	—	—	—	—	—	—	—	6	—	8	56	67	59	850	—	—	—	1775	2592	2985	—
Nearest Offshore or Glassy	J-Bay Eastern Cape (S)	Claptons Coils Eastern Cape (S)	Tubes Eastern Cape (S)	Doughnuts Backreef Eastern Cape (S)	Van Stadens Mouth Eastern Cape (S)	Van Stadens Mouth Eastern Cape (S)	J-Bay Eastern Cape (S)	J-Bay Eastern Cape (S)	J-Bay Eastern Cape (S)	Salad Bowls Eastern Cape (S)	Keurbooms Garden Route	Salad Bowls Eastern Cape (S)	Salad Bowls Eastern Cape (S)	Kitchen Windows Eastern Cape (S)	J-Bay Eastern Cape (S)	J-Bay Eastern Cape (S)	J-Bay Eastern Cape (S)	Salad Bowls Eastern Cape (S)	Kaaimans River Mouth Garden Route	King's Beach (Port Elizabeth) Eastern Cape (S)	Tubes Eastern Cape (S)
Rating (10 max)	4	2	4	5	4	4	4	4	4	3	4	3	3	4	4	4	4	4	4	4	4
Distance (km)	0	6	3	52	31	31	0	0	0	3	140	3	3	2	0	0	0	3	219	67	3
Best forecast wave conditions in Eastern Cape (South)	Hamburg (Port Alfred)	Noncom (Cape Recife)	Bruces Beauties	Sea Vista	Hamburg (Port Alfred)	Hamburg (Port Alfred)	Hamburg (Port Alfred)	Hamburg (Port Alfred)	Hamburg (Port Alfred)	Kleinemonde		Kleinemonde	Kleinemonde	Super Tubes	Kleinemonde	J-Bay	Kromme Rivermouth	Point		Flat Rocks (Port Elizabeth)	Point
Rating (10 max)	4	4	4	5	4	4	4	4	4	4		4	4	4	4	4	4	4		4	4
Best forecast wave conditions in South Africa	Hout Bay Cape Town	Hout Bay Cape Town	Gerickes Point Garden Route	Sea Vista Eastern Cape (S)	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Doring Bay West Coast	Kleinemonde Eastern Cape (S)	Dolphin Point Overberg	Dolphin Point Overberg	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Yzerfontein West Coast	Jongensfontein Overberg	Goukamma River Mouth Garden Route	Point Eastern Cape (S)	Hout Bay Cape Town	Paranoia Overberg	Paranoia Overberg
Rating (10 max)	4	4	4	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5
Header Global	Asu Indonesia	Cape St Martin South Africa	Albatross South Africa	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Cathedral Rock Australia	Cathedral Rock Australia	Viri Inga O Tuki Chile	Aufaga Village Samoa	Cobblestones Australia	Boneyards South Africa	Albatross South Africa	Blackfellows Australia	The Hoek South Africa	Point Roadnight Australia
Rating (10 max)	4	4	4	5	5	5	6	6	5	5	5	8	5	6	4	4	4	4	4	6	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

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J-Bay 48 hour detailed Surf Forecast

How big are the waves at J-Bay today (21 Jul):

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