Three Arch Bay Surf Forecast

/ CAL – Orange County (51 breaks) / California (404 breaks) /

USA (1297 breaks) / Lat Long: (33.53° N 117.78° W)

Surf Forecasts:

Three Arch Bay surfForecast / CAL – Orange County / USA

48hr Weather and Surf, issued 10 pm Wednesday 17 Sep 2025 PDT

Forecast update in hr min s Forecast update imminent

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

Today's Three Arch Bay sea temperature is 20.6° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Three Arch Bay today?

The current surf forecast for Three Arch Bay at 5AM is: 0.7m 15s primary swell from a South direction and 0.4m 5s secondary swell from a West direction, 0.5m 5s secondary swell from a West-northwest direction (forecast issued at 10:00pm September 17). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (PDT) & Date	Wave Height	Wave Period
Morning (18 Sep)	2.5ft (0.7m)	14s
Afternoon (18 Sep)	2.5ft (0.8m)	14s
Evening (18 Sep)	2.5ft (0.7m)	14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wed 17		Thursday 18								Friday 19								Saturday 20
	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	11 AM	2 PM	5 PM
Rating (10 max)	2	2	1	2	2	1	0	0	0	0	1	1	1	0	0	0	0	1	1	0	1	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	S	S	SSW	SSW	S	S	S	S	S	S	S	SSW	SSW	S	S	S	SSW	SSW	SSW	S
Period(s) (?)	15	15	15	15	14	14	14	14	14	14	14	14	14	13	13	13	13	14	13	13	13	13	13	13
Wave Graph (?)
kJ (?)	287	294	283	209	203	203	276	276	206	144	136	136	132	130	128	184	184	100	121	78	131	129	127	117
Wind (km/h)	NNE	N	N	NNW	NW	S	WSW	W	WNW	W	WSW	WSW	SW	WSW	WSW	WSW	W	W	W	W	WNW	WSW	WSW	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	glass	cross- on	cross- on	cross- on	cross	cross- on	glass	glass	glass	on	on	cross- on	cross- on	glass	glass	glass	glass	cross- on	cross- on	cross- on
High Tide / height (m)	7:01PM 2.11					8:33AM 1.77			7:47PM 2.14					8:56AM 1.85				8:28PM 2.12				9:19AM 1.92
Low Tide / height (m)				2:01AM 0.22			1:50PM 0.93					2:34AM 0.24				2:29PM 0.79				3:02AM 0.31				3:05PM 0.68

	Wed 17		Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	-	6:35	-	-	-	-	-	-	-	6:35	-	-	-	-	-	-	-	6:37	-	-	-
Sunset	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:51

Rain (mm)	-	-	1	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	20	22	22	22	23	24	23	22	21	21	21	21	21	22	22	21	21	21	20	20	20	22	22	21
Feels °C (?)	22	23	21	23	25	26	24	23	22	22	23	23	23	23	22	21	22	23	22	22	22	23	22	22

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 CAL - Orange County

Wind Update Offshore wind reported 26 km from San Onofre (light winds from the NE at Oceanside Airport 26 km from San Onofre). 0.6m 14s groundswell from the S with a 0.6m 4s local chop from the WNW and a 0.3m 9s swell from the S as well as a 0.2m 12s groundswell from the SSW. 4 swells combining to make bigger set waves.
1 hour 55 minutes ago San Onofre

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17 km away, 1 h 54 min ago

0 km/h

0.0

20.6

Air / Water (°C)

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