Gansbaai Surf Forecast

/ Overberg (23 surf breaks) /

South Africa (273 surf breaks)

Surf Forecasts:

Gansbaai surfForecast / Overberg / South Africa

48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 SAST

Forecast update in hr min s Forecast update imminent

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

Today's Gansbaai sea temperature is 16.1° C
(Which is normal for this time of year)

How big are the waves at Gansbaai today?

The current surf forecast for Gansbaai at 3PM is: 1.8m 11s primary swell from a South direction and 1.2m 11s secondary swell from a Southwest direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (18 Sep)	6.5ft (2.0m)	11s
Afternoon (18 Sep)	6ft (1.8m)	11s
Evening (18 Sep)	7ft (2.1m)	12s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18					Friday 19								Saturday 20								Sunday 21
	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	2 AM	5 AM	8 AM
Rating (10 max)	2	0	2	4	4	3	3	3	2	2	1	2	2	2	2	0	0	0	0	0	1	2	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	S	S	S	S	S	S	S	S	SSE	SSE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE
Period(s) (?)	11	11	11	12	12	12	12	13	12	12	11	12	12	12	9	13	13	13	13	13	12	12	12	12
Wave Graph (?)
kJ (?)	778	588	1107	1154	1227	1103	1186	564	425	425	302	359	329	392	392	426	522	454	447	373	350	333	274	269
Wind (km/h)	W	WSW	SSW	SE	ENE	ENE	ENE	E	E	ESE	ESE	ENE	ENE	NE	NNW	WNW	WNW	W	W	W	W	NE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	cross	cross- off	off	off	off	off	off	off	off	off	off	cross- off	cross- on	cross- on	on	on	on	on	on	glass	cross- off	off
High Tide / height (m)		1:34PM 1.40				1:50AM 1.38					2:08PM 1.51				2:23AM 1.45				2:38PM 1.59				2:53AM 1.50
Low Tide / height (m)				7:51PM 0.29				8:00AM 0.23					8:25PM 0.20				8:30AM 0.16				8:55PM 0.13

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	6:37	-	-	-	-	-	-	-	6:35	-	-	-	-	-	-	-	6:33
Sunset	-	-	6:35	-	-	-	-	-	-	-	6:36	-	-	-	-	-	-	-	6:37	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	15	14	14	13	12	11	11	17	21	18	15	15	15	16	17	17	17	16	15	14	14	13	13
Feels °C (?)	12	12	12	11	10	8	7	6	12	15	12	11	12	13	14	12	10	11	11	13	13	15	12	11

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

Recent Eyeball Surf Reports for Overberg

Wind Update Continuing clean conditions at Gansbaai (calm at Hermanus 21 km from Gansbaai). 2.3m 11s groundswell from the SSW with a 0.6m 10s swell from the W. 2 swells combining to make bigger set waves.
1 hour 20 minutes ago Gansbaai

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21 km away, 1 h 20 min ago

4 km/h

0.0

16.1

Air / Water (°C)

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