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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 Wednesday 20 May 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
12.0° C
(Which is normal for this time of year)How big are the waves at The Patch today?
The current surf forecast for The Patch at 1AM is: 1.4m 10s primary swell from a West-northwest direction and 1.0m 12s secondary swell from a West-northwest direction (forecast issued at 04:00pm May 20). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 5ft (1.6m) | 11s |
| Afternoon (21 May) | 4.5ft (1.4m) | 11s |
| Evening (21 May) | 4.5ft (1.3m) | 11s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
WNW 10 | WNW 12 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | |
370 | 236 | 325 | 286 | 378 | 731 | 586 | 521 | 436 | 379 | 379 | 372 | 358 | 338 | 331 | 331 | 331 | 331 | 286 | 240 | 240 | 235 | 235 | 231 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross | cross-on | on | glassy | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | |
High Tide | 4:36PM1.01m | 2:54AM1.24m | 5:33PM1.03m | 4:00AM1.13m | 6:26PM1.07m | 5:14AM1.01m | ||||||||||||||||||
Low Tide | 9:52PM0.55m | 10:45AM-0.21m | 11:12PM0.52m | 11:44AM-0.12m | 00:34AM0.45m | |||||||||||||||||||
 | | |  | | | | | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
 | — | — | 8:17 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:19 | — | — | — | — | 8:20 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 11 | 11 | 10 | 11 | 13 | 16 | 15 | 15 | 11 | 10 | 9 | 10 | 11 | 14 | 15 | 14 | 12 | 11 | 11 | 11 | 12 | 13 |
14 | 12 | 8 | 10 | 8 | 10 | 12 | 15 | 12 | 12 | 9 | 8 | 7 | 8 | 9 | 12 | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
 kJ | 370 | 232 | 325 | 286 | 378 | 731 | 586 | 521 | 436 | 379 | 379 | 372 | 358 | 338 | 331 | 331 | 331 | 331 | 286 | 240 | 240 | 235 | 235 | 231 |
Swell 2 Height (m) Direction Period (s) | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SW 19 | SW 19 | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 |
| kJ | 196 | 236 | 183 | 224 | 337 | 133 | 236 | 184 | 133 | 84 | 84 | 83 | 80 | 108 | 194 | 194 | 152 | 109 | 107 | 74 | 109 | 115 | 201 | 203 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SSW 13 | SSW 13 | SW 15 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | SSW 12 | SSW 12 | SW 22 | SW 22 |
| kJ | 40 | 64 | 85 | 82 | 35 | 36 | 34 | 34 | 82 | 31 | 32 | 30 | 30 | 30 | 33 | 32 | 32 | 73 | 72 | 48 | 29 | 29 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 2 | S 3 | S 3 | S 3 | S 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 3 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 121 | 0 | 8 | 8 | 8 | 0 | 22 | 25 | 25 | 22 | 22 | 22 | 22 | 22 | 22 | 99 | 31 | 31 | 31 | 22 | 22 | 22 | 31 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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