13th Ave South Surfside Surf Forecast

/ Carolina South (23 breaks) / South Carolina (21 breaks) /

USA (1297 breaks) / Lat Long: (33.67° N 78.90° W)

Surf Forecasts:

13th Ave South Surfside surfForecast / Carolina South / USA

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

Forecast update in hr min s Forecast update imminent

13th Ave South Surfside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's 13th Ave South Surfside sea temperature is 24.8° C
(Which is 2.1°C colder than average for this time of year)

How big are the waves at 13th Ave South Surfside today?

The current surf forecast for 13th Ave South Surfside at 8PM is: 0.2m 9s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (18 Sep)	0.5ft (0.2m)	8s
Afternoon (18 Sep)	0.5ft (0.2m)	9s
Evening (18 Sep)	0.5ft (0.2m)	9s

Table - waves today at 13th Ave South Surfside. (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)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	E	E
Period(s) (?)	8	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	8	8	5	4	5	5	6	6
Wave Graph (?)
kJ (?)	6	8	8	7	7	7	8	8	7	7	11	17	17	17	17	17	17	32	10	10	17	28	71	91
Wind (km/h)	E	SE	SSE	S	S	SW	W	NNW	NE	SE	SSE	SSE	SSE	N	NNE	NNE	ENE	ESE	ESE	E	ENE	NNE	NNE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	on	on	cross- on	cross- on	cross	cross- off	off	cross	on	on	on	on	glass	cross- off	cross- off	cross- on	cross- on	cross- on	cross- on	cross- on	cross- off	cross- off	cross- off
High Tide / height (m)				6:00PM 1.85				6:26AM 1.66				6:45PM 1.85				7:11AM 1.73				7:26PM 1.83				7:53AM 1.78
Low Tide / height (m)		11:43AM 0.16				12:34AM 0.20				12:35PM 0.12				1:15AM 0.15				1:21PM 0.10				1:52AM 0.12

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:01
Sunset	-	-	7:17	-	-	-	-	-	-	-	7:16	-	-	-	-	-	-	-	7:15	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	24	26	26	26	25	25	25	24	26	27	26	25	25	24	23	23	25	26	25	24	23	22	21	20
Feels °C (?)	26	27	27	27	26	27	27	26	28	27	26	26	27	27	25	25	25	26	24	24	25	24	22	20

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 Carolina South

Wind Update Light wind has turned cross-on at 13th Ave South Surfside (light winds from the S at BUOY-MROS1 2 km from 13th Ave South Surfside). 0.3m 8s swell from the ESE with a 0.3m 8s swell from the E and a 0.2m 2s local chop from the SSE as well as a 0.1m 3s local chop from the SSW. 4 swells combining to make bigger set waves.
1 hour 34 minutes ago 13th Ave South Surfside

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1 h 34 min ago

11 km/h

Cross-On

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