J-Bay Surf Forecast

/ Eastern Cape (S) (37 surf breaks) /

South Africa (276 surf breaks) / Lat Long: (34.05° S 24.93° E)

Surf Forecasts:

J-Bay surfForecast / Eastern Cape (S) / South Africa

12 Day Weather and Surf, issued 7 pm Wednesday 12 Nov 2025 SAST

Forecast update in hr min s Forecast update imminent

J-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's J-Bay sea temperature is 19.1° C
(Which is 1.2°C colder than average for this time of year)

Best Forecast Surf Conditions for J-Bay this week:

The surf forecast for J-Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Nov 17) at 2AM. The primary swell is predicted to be 2.4m and 13s period with a secondary swell of 0.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at J-Bay in the next 12 days are 3.0m 14s and forecast to arrive on Sunday (Nov 16) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Nov 15) at 11AM.

Wave Type	Time (SAST) & Date	Wave Height & Period
Next good surf (1 star+)	2AM (Mon 17th Nov)	8ft (2.4m) 13s
Best Surf	2AM (Mon 17th Nov)	8ft (2.4m) 13s
Most Powerful	11AM (Sun 16th Nov)	10ft (3.0m) 14s

Table - best surf conditions forecast for J-Bay over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Mostly dry. Warm (max 25°C on Fri morning, min 13°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, light winds from the S by Fri afternoon).										Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat night. Warm (max 22°C on Tue morning, min 14°C on Sun night). Winds decreasing (fresh winds from the ESE on Mon afternoon, calm by Mon night).
		Thursday 13			Friday 14			Saturday 15			Sunday 16			Monday 17			Tuesday 18			Wed 19
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	2	2	1	0	0	2	1	0	1	2	2	1	4	0	0	0	0	0	2	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	WSW	WSW	SSE	SW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SSW	SW	SW	SW
Period(s) (?)	13	12	11	12	11	11	10	8	9	12	14	13	13	12	12	11	11	16	15	13	13
Wave Graph (?)
kJ (?)	828	2348	1796	1444	589	297	160	113	475	1715	3122	2499	1828	1138	650	371	191	173	309	495	398
Wind (km/h)	WSW	SSW	ESE	NE	ESE	S	WSW	SW	SW	SSE	SSE	SE	N	SE	ESE	ENE	ESE	SE	W	WSW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross	on	cross- on	on	cross- on	cross- off	cross- off	cross- off	cross- on	cross- on	on	cross- off	on	on	cross- on	on	on	cross- off	cross- off	cross- off
High Tide / height (m)	10:02PM 1.03	11:05AM 1.22		11:40PM 1.07	12:11PM 1.30		12:40AM 1.16	12:57PM 1.39		1:22AM 1.25	1:32PM 1.46		1:57AM 1.33		2:04PM 1.52	2:28AM 1.40		2:34PM 1.56	2:57AM 1.45		3:03PM 1.57
Low Tide / height (m)	4:16AM 0.58		5:44PM 0.59		5:41AM 0.54	6:44PM 0.49		6:37AM 0.47	7:23PM 0.39		7:18AM 0.41	7:55PM 0.30		7:52AM 0.35		8:23PM 0.23	8:23AM 0.30		8:50PM 0.18	8:53AM 0.26

		Thursday 13			Friday 14			Saturday 15			Sunday 16			Monday 17			Tuesday 18			Wed 19
Sunrise	-	5:09	-	-	5:09	-	-	5:07	-	-	5:07	-	-	5:07	-	-	5:05	-	-	5:05	-
Sunset	-	-	6:59	-	-	7:00	-	-	7:00	-	-	7:01	-	-	7:02	-	-	7:04	-	-	7:05

Rain (mm)	-	-	-	-	-	-	-	-	-	2	-	-	-	-	-	-	-	-	1	-	-
Temp. °C	19	21	20	17	25	24	19	20	20	17	17	18	16	19	19	17	22	20	19	21	21
Feels °C (?)	15	17	17	14	21	20	15	15	14	14	15	14	13	13	12	13	19	15	20	13	13

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Quick surf report for J-Bay:

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Information about the J-Bay Surf forecast

The above surf forecast table for J-Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at J-Bay can be found by selecting the local surf guide option on the grey menu. Our J-Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (J-Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for J-Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

J-Bay is 19 km (12 miles) from the city of Kruisfontein. If you plan a holiday in Eastern Cape (South), look for hotels and other accommodation in Kruisfontein. Kruisfontein has rooms for a wide range of budgets as well as car hire and transport links.