Stinson Beach Surf Forecast

/ CAL – Marin County (14 breaks) / California (404 breaks) /

USA (1297 breaks) / Lat Long: (37.90° N 122.65° W)

Surf Forecasts:

Stinson Beach surfForecast / CAL – Marin County / USA

12 Day Weather and Surf, issued 4 pm Thursday 18 Sep 2025 PDT

Forecast update in hr min s Forecast update imminent

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

Today's Stinson Beach sea temperature is 18.0° C
(Which is 3.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Stinson Beach this week:

The surf forecast for Stinson Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 5AM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 0.6m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Stinson Beach in the next 12 days are 3.0m 10s and forecast to arrive on Thursday (Sep 25) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave Type	Time (PDT) & Date	Wave Height & Period
Next good surf (1 star+)	5AM (Fri 19th Sep)	4.5ft (1.4m) 11s
Best Surf	8AM (Tue 23rd Sep)	5ft (1.6m) 10s
Most Powerful	5AM (Thu 25th Sep)	10ft (3.0m) 10s

Table - best surf conditions forecast for Stinson Beach over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Some drizzle, heaviest during Thu afternoon. Very mild (max 19°C on Fri afternoon, min 14°C on Thu night). Wind will be generally light.											Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Tue afternoon, min 13°C on Mon night). Wind will be generally light.
	Thu 18		Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	1	1	1	1	2	0	0	0	0	0	1	1	0	2	3	0	1	0	0	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
Period(s) (?)	10	10	11	10	10	10	9	9	12	11	7	11	11	11	10	11	11	10	10	10	11
Wave Graph (?)
kJ (?)	690	502	322	250	145	109	100	100	199	173	235	586	575	643	502	436	319	316	386	1168	1172
Wind (km/h)	W	SW	SSW	WSW	WNW	W	WNW	W	W	WNW	NW	WSW	W	WSW	S	W	WSW	SSW	W	WNW	WNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	on	on	on	glass	cross- on	cross- on	cross- on	cross- on	cross- on	cross	on	cross- on	on	glass	cross- on	on	on	cross- on	cross- on	cross
High Tide / height (m)		9:47PM 1.27	11:16AM 1.16		10:38PM 1.25	11:45AM 1.18		11:25PM 1.21	12:11PM 1.20		12:10AM 1.16	12:35PM 1.20		12:53AM 1.09	12:57PM 1.21		1:38AM 1.03	1:20PM 1.20		2:26AM 0.96	1:46PM 1.19
Low Tide / height (m)	4:34PM 0.43		5:10AM 0.00	5:19PM 0.35		5:45AM 0.05	6:01PM 0.27		6:18AM 0.11	6:40PM 0.21		6:48AM 0.19	7:17PM 0.16		7:18AM 0.27	7:53PM 0.13		7:47AM 0.36		8:31PM 0.11	8:17AM 0.45

	Thu 18		Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
Sunrise	-	-	6:54	-	-	6:56	-	-	6:56	-	-	6:58	-	-	6:58	-	-	6:58	-	-	7:00
Sunset	7:14	-	-	7:12	-	-	7:10	-	-	7:08	-	-	7:07	-	-	7:06	-	-	7:04	-	-

Rain (mm)	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	18	15	17	19	16	18	19	16	17	18	16	17	18	14	19	21	16	16	16	13	16
Feels °C (?)	18	14	17	18	16	17	18	14	16	16	13	17	17	13	19	20	15	15	14	11	13

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 - Marin County

Wind Update Continuing clean conditions at Stinson Beach (calm at Fairfax wx 9 km from Stinson Beach). 2.1m 10s swell from the WNW with a 0.6m 14s groundswell from the SSW. 2 swells combining so expect closeout sets.
1 hour 22 minutes ago Stinson Beach

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1 h 22 min ago

2 km/h

ENE

Clean

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Stinson Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Stinson Beach Surf forecast

The above surf forecast table for Stinson Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Stinson Beach can be found by selecting the local surf guide option on the grey menu. Our Stinson Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Stinson Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Stinson Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Stinson Beach is 10 km (6 miles) from the city of Corte Madera. If you plan a vacation in Marin County, look for hotels and other accommodation in Corte Madera. Corte Madera has rooms for a wide range of budgets as well as car hire and transport links.