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The Patch Surf Forecast
/ CAL – Marin County (14 breaks) / California (404 breaks) /
Surf Forecasts:
The Patch surfForecast / CAL – Marin County / USA
48hr Weather and Surf, issued 4 pm Saturday 21 Mar 2026 PDTForecast update in hr min s Forecast update imminent
The Patch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Patch sea temperature is
13.6° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at The Patch today?
The current surf forecast for The Patch at 10PM is: 2.5m 9s primary swell from a West-northwest direction and 0.5m 14s secondary swell from a Southwest direction, 0.1m 22s secondary swell from a Southwest direction (forecast issued at 04:00pm March 21). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | - | - |
| Afternoon (21 Mar) | 7ft (2.1m) | 8s |
| Evening (21 Mar) | 8ft (2.5m) | 9s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 10 | 11 | 11 | 19 | 19 | 10 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 434 | 931 | 1289 | 1102 | 1499 | 817 | 746 | 598 | 527 | 555 | 622 | 573 | 525 | 488 | 444 | 613 | 460 | 404 | 184 | 184 | 170 | 183 | 218 | 180 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:24PM 1.02 | 1:55AM 1.33 | 3:29PM 0.94 | 2:37AM 1.32 | 4:48PM 0.88 | 3:27AM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 8:17PM 0.32 | 9:17AM -0.08 | 8:59PM 0.42 | 10:15AM -0.09 | 9:51PM 0.52 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:07 | - |
| Sunset | - | 7:22 | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - |
 | |  | | | |  | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 12 | 10 | 11 | 12 | 12 | 15 | 15 | 14 | 11 | 10 | 10 | 10 | 11 | 14 | 15 | 14 | 11 | 12 | 12 | 13 | 14 | 17 |
| Feels °C (?) | 12 | 11 | 6 | 5 | 9 | 11 | 10 | 13 | 12 | 10 | 7 | 5 | 6 | 6 | 8 | 11 | 11 | 10 | 7 | 9 | 9 | 9 | 11 | 12 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Patch 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.
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