Seaside Reef Surf Forecast

/ CAL – San Diego County (71 breaks) / California (404 breaks) /

USA (1297 breaks) / Lat Long: (33.04° N 117.30° W)

Surf Forecasts:

Seaside Reef surfForecast / CAL – San Diego County / USA

48hr Weather and Surf, issued 10 am Tuesday 16 Sep 2025 PDT

Forecast update in hr min s Forecast update imminent

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

Today's Seaside Reef sea temperature is 21.4° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Seaside Reef today?

The current surf forecast for Seaside Reef at 12PM is: 0.9m 17s primary swell from a South-southwest direction and 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 10:00am September 16). The wind direction is predicted to be onshore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (16 Sep)	3ft (0.9m)	18s
Afternoon (16 Sep)	3ft (0.9m)	17s
Evening (16 Sep)	3ft (0.9m)	16s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16						Wednesday 17								Thursday 18								Fri 19
	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	8 PM	11 PM	2 AM	5 AM
Rating (10 max)	2	1	0	1	3	3	3	2	2	2	1	2	2	2	2	1	2	0	0	0	1	1	1	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	SSW	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	S	S	S	S	SSW	SSW	SSW	S	SSW	S	SSW
Period(s) (?)	18	18	17	16	16	16	16	16	16	15	15	15	15	15	15	14	14	14	14	14	14	14	14	14
Wave Graph (?)
kJ (?)	504	510	465	432	427	422	417	421	513	397	375	370	380	291	279	268	264	273	366	341	195	198	181	192
Wind (km/h)	NNW	WNW	W	W	WNW	W	WNW	SW	WSW	SSW	SSW	SE	NNE	ENE	NE	N	ENE	SSW	SSW	SW	S	S	SW	WNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	on	on	on	glass	glass	glass	cross- on	cross- on	glass	cross- on	glass	cross- off	glass	cross- off	cross	glass	cross- on	cross- on	cross- on	cross	cross	cross- on	glass
High Tide / height (m)	7:36AM 1.58				6:01PM 2.04					8:04AM 1.68			6:58PM 2.10					8:29AM 1.77			7:45PM 2.14
Low Tide / height (m)			12:04PM 1.23				1:20AM 0.25				1:02PM 1.08				1:59AM 0.22				1:47PM 0.93					2:31AM 0.25

	Tuesday 16						Wednesday 17								Thursday 18								Fri 19
Sunrise	6:33	-	-	-	-	-	-	-	6:33	-	-	-	-	-	-	-	6:33	-	-	-	-	-	-	-
Sunset	-	-	-	6:53	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:51	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	1	1	1	2	4	2	1	1	1	-	-	-	-
Temp. °C	21	25	24	23	22	22	21	22	21	23	23	21	21	22	21	22	22	24	24	23	23	23	22	21
Feels °C (?)	22	26	24	23	23	23	23	23	22	24	23	23	22	23	22	24	24	25	25	25	25	25	25	24

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 - San Diego County

Wind Update Continuing clean conditions at Seaside Reef (light winds from the WSW at Carlsbad Airport 10 km from Seaside Reef). 0.5m 17s long period groundswell from the SSW with a 0.4m 13s groundswell, also from the SSW and a 0.2m 8s swell, also from the W. 3 swells combining to make bigger set waves.
2 hours 24 minutes ago Seaside Reef

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2 h 24 min ago

7 km/h

WSW

Clean

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