Francis Beach Surf Forecast

/ CAL – San Mateo (15 breaks) / California (404 breaks) /

USA (1297 breaks) / Lat Long: (37.45° N 122.44° W)

Surf Forecasts:

Francis Beach surfForecast / CAL – San Mateo / USA

48hr Weather and Surf, issued 10 am Monday 15 Sep 2025 PDT

Forecast update in hr min s Forecast update imminent

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

Today's Francis Beach sea temperature is 16.8° C
(Which is 1.9°C warmer than normal for this time of year)

How big are the waves at Francis Beach today?

The current surf forecast for Francis Beach at 2PM is: 1.2m 8s primary swell from a West-northwest direction and 0.5m 13s secondary swell from a Southwest direction (forecast issued at 10:00am September 15). The wind direction is predicted to be onshore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (15 Sep)	4.5ft (1.3m)	8s
Afternoon (15 Sep)	3.5ft (1.1m)	8s
Evening (15 Sep)	3ft (0.9m)	8s

Table - waves today at Francis Beach. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 15						Tuesday 16								Wednesday 17								Thu 18
	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	1	1	1	2	2	2	2	1	0	0	1	1	1	1	1	0	0	0	1	2	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	WNW	WNW	SSW	WNW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	WNW	WNW	SSW	WNW	WNW
Period(s) (?)	8	8	8	8	8	20	10	19	18	18	18	18	18	17	16	16	16	16	16	10	10	15	8	8
Wave Graph (?)
Energy (?)	392	325	342	315	274	309	366	334	369	343	339	319	296	281	274	262	308	270	282	307	339	299	362	375
Wind (km/h)	E	WNW	WNW	WNW	NW	WNW	W	W	S	WNW	WNW	NW	NNW	NW	NNW	NNW	NNW	NW	WNW	NW	WNW	W	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- on	on	cross- on	cross- on	glass	glass	glass	glass	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- on	cross- on	cross- on	cross- on	glass	on	on
High Tide / height (m)	7:24AM 1.28				5:32PM 1.72					8:22AM 1.37			6:46PM 1.72					9:08AM 1.45			7:53PM 1.73
Low Tide / height (m)			11:50AM 1.03				1:12AM -0.03				1:10PM 0.96					2:12AM -0.05				2:13PM 0.84				3:01AM -0.04

	Monday 15						Tuesday 16								Wednesday 17								Thu 18
Sunrise	6:50	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-
Sunset	-	-	-	7:17	-	-	-	-	-	-	-	7:15	-	-	-	-	-	-	-	7:14	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	19	21	19	16	17	16	17	18	21	21	20	18	18	17	17	19	22	21	20	16	16	16	15
Feels °C (?)	15	19	21	19	16	18	16	18	18	21	20	19	17	17	16	16	18	20	19	18	15	16	16	15

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 Mateo

Wind Update Continuing clean conditions at Francis Beach (calm at Half Moon Bay wx 2 km from Francis Beach). 1.4m 8s swell from the WNW with a 0.6m 14s groundswell from the SSW and a 0.4m 20s long period groundswell, also from the SSW. 3 swells combining to make bigger set waves.
1 hour 17 minutes ago Francis Beach

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1 h 17 min ago

0 km/h

Clean

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