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 Tuesday 16 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 20.7° C
(Which is 1.4°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 3AM is: 0.8m 16s primary swell from a South direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 10:00pm September 16). The wind direction is predicted to be cross-shore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (17 Sep)	3ft (0.9m)	16s
Afternoon (17 Sep)	2.5ft (0.8m)	15s
Evening (17 Sep)	2.5ft (0.8m)	15s

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

	Tue 16		Wednesday 17								Thursday 18								Friday 19
	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)	1	1	1	1	1	1	0	2	1	1	2	2	2	2	0	1	0	1	1	1	1	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	SSW	SSW	S	S	SSW	S	S	S	S	S	SSW	SSW	S	S	S	S	S	S	S	SSW
Period(s) (?)	16	16	16	16	16	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	14	13	13	13
Wave Graph (?)
kJ (?)	339	334	334	330	416	385	287	283	300	294	283	209	203	203	276	276	206	144	136	136	132	130	128	184
Wind (km/h)	NW	W	WNW	NW	SW	SW	WSW	WNW	WSW	NW	NNW	NNE	WSW	SE	S	SW	W	W	SW	SSE	S	WSW	WSW	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	cross- on	cross	on	on	on	glass	on	cross	cross- off	off	glass	glass	cross- on	on	cross- on	glass	glass	glass	glass	cross- on	cross- on	cross- on
High Tide / height (m)	6:03PM 2.05					8:07AM 1.68			7:01PM 2.11					8:33AM 1.77			7:47PM 2.14					8:56AM 1.85
Low Tide / height (m)			1:23AM 0.24				1:05PM 1.08					2:01AM 0.22			1:50PM 0.93					2:34AM 0.24				2:29PM 0.79

	Tue 16		Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	6:35	-	-	-	-	-	-	-	6:35	-	-	-	-	-	-	-	6:35	-	-	-
Sunset	-	-	-	-	-	-	-	6:54	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:52

Rain (mm)	-	1	-	-	-	-	-	-	-	-	-	2	-	1	-	-	-	-	-	-	-	-	-	-
Temp. °C	22	21	21	21	20	21	22	21	22	21	23	23	24	24	24	23	22	21	21	21	21	22	22	22
Feels °C (?)	22	22	22	21	20	22	21	22	22	21	24	25	26	27	24	25	24	23	24	23	23	23	23	23

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 Continuing clean conditions at Three Arch Bay (light winds from the W at Costa Mesa Airport 17 km from Three Arch Bay). 0.5m 16s long period groundswell from the S with a 0.4m 4s local chop from the W and a 0.3m 13s groundswell from the S as well as a 0.2m 9s swell from the W. 4 swells combining to make bigger set waves.
2 hours 40 minutes ago Three Arch Bay

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17 km away, 2 h 40 min ago

6 km/h

0.0

20.7

Air / Water (°C)

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