Santa Maria Rivermouth Surf Forecast

/ CAL – Santa Barbara (36 breaks) / California (404 breaks) /

USA (1297 breaks) / Lat Long: (34.95° N 120.66° W)

Surf Forecasts:

Santa Maria Rivermouth surfForecast / CAL – Santa Barbara / USA

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

Forecast update in hr min s Forecast update imminent

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

Today's Santa Maria Rivermouth sea temperature is 16.2° C
(Which is slightly cooler than normal)

How big are the waves at Santa Maria Rivermouth today?

The current surf forecast for Santa Maria Rivermouth at 3AM is: 0.7m 15s primary swell from a Southwest direction and 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 10:00pm September 17). The wind direction is predicted to be glassy 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 (0.7m)	14s
Evening (18 Sep)	4ft (1.2m)	10s

Table - waves today at Santa Maria Rivermouth. (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)	1	2	2	2	2	0	0	1	1	1	2	2	1	0	0	0	1	0	0	1	1	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	SSW	SW	SW	SW	SW	SW	WNW	WNW	WNW	WNW	WNW	WNW	NW	WNW	WNW	WNW	WNW	WNW	SSW	WNW	SSW	WNW	SSW
Period(s) (?)	11	15	15	15	14	14	14	10	10	10	10	10	10	10	10	10	10	10	10	13	10	13	9	13
Wave Graph (?)
kJ (?)	128	128	220	217	214	214	169	211	272	314	320	320	277	239	216	220	220	178	154	154	117	113	133	57
Wind (km/h)	NW	NNE	N	W	NNW	NW	NW	W	NNW	NW	NW	NNW	NNW	WNW	NW	NW	NNW	NNW	NNW	NNW	NNW	WNW	WNW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	glass	glass	glass	glass	cross- on	cross- on	on	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)	7:33PM 2.05					9:16AM 1.71				8:24PM 2.05				9:42AM 1.78				9:10PM 2.03				10:06AM 1.84
Low Tide / height (m)				2:40AM 0.25				2:28PM 0.99				3:15AM 0.30				3:12PM 0.86				3:46AM 0.37				3:52PM 0.75

	Wed 17		Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	-	6:47	-	-	-	-	-	-	-	6:48	-	-	-	-	-	-	-	6:48	-	-	-
Sunset	-	-	-	-	-	-	-	7:05	-	-	-	-	-	-	-	7:04	-	-	-	-	-	-	-	7:01

Rain (mm)	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	16	16	17	17	17	18	19	17	17	16	16	16	16	18	17	16	15	15	15	15	16	17	17	16
Feels °C (?)	16	17	18	18	18	17	17	17	18	15	16	16	16	17	15	14	14	14	14	14	15	15	14	14

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 - Santa Barbara

Wind Update Continuing clean conditions at Santa Maria Rivermouth (calm at Santa Maria Airport 20 km from Santa Maria Rivermouth). 0.7m 10s swell from the WNW with a 0.6m 5s windswell, also from the WNW and a 0.5m 15s groundswell, also from the SSW. 3 swells combining to make bigger set waves.
1 hour 54 minutes ago Santa Maria Rivermouth

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20 km away, 1 h 54 min ago

0 km/h

0.0

16.2

Air / Water (°C)

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