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Stinson Beach Surf Forecast
/ CAL – Marin County (14 breaks) / California (404 breaks) /
Surf Forecasts:
Stinson Beach surfForecast / CAL – Marin County / USA
48hr Weather and Surf, issued 4 am Wednesday 17 Sep 2025 PDT
How big are the waves at Stinson Beach today?
The current surf forecast for Stinson Beach at 11AM is: 0.6m 16s primary swell from a South-southwest direction and 0.6m 10s secondary swell from a West-northwest direction (forecast issued at 04:00am September 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 2.5ft (0.7m) | 16s |
| Afternoon (17 Sep) | 2.5ft (0.7m) | 16s |
| Evening (17 Sep) | 2.5ft (0.7m) | 15s |
Table - waves today at Stinson Beach. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 16 | 16 | 10 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 237 | 232 | 232 | 173 | 226 | 212 | 214 | 170 | 217 | 321 | 495 | 663 | 690 | 647 | 564 | 511 | 521 | 460 | 404 | 328 | 316 | 250 | 186 | 179 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | glass | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 10:04AM 1.08 | 8:49PM 1.27 | 10:42AM 1.12 | 9:47PM 1.27 | 11:16AM 1.16 | 10:38PM 1.25 | ||||||||||||||||||
Low Tide / height (m) | 3:40AM -0.03 | 3:41PM 0.51 | 4:29AM -0.02 | 4:34PM 0.43 | 5:10AM 0.00 | 5:19PM 0.35 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:12 | - | - |
 | |  | |  | |  | | | | |  | | | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 18 | 22 | 22 | 20 | 17 | 16 | 15 | 15 | 15 | 17 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 18 | 18 | 16 | 15 |
| Feels °C (?) | 15 | 17 | 18 | 21 | 20 | 18 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 16 | 15 |
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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
Continuing clean conditions at Stinson Beach (calm at Fairfax wx 9 km from Stinson Beach). 0.8m 11s groundswell from the WNW with a 0.5m 16s long period groundswell from the SSW and a 0.3m 11s groundswell from the SW. 3 swells combining to make bigger set waves.
1 h 40 min ago
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