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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 Monday 18 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
12.1° 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 9PM is: 2.2m 9s primary swell from a West-northwest direction and 0.4m 17s secondary swell from a West direction, 0.3m 17s secondary swell from a Southwest direction (forecast issued at 04:00pm May 18). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 5.5ft (1.7m) | 10s |
| Evening (18 May) | 7ft (2.2m) | 9s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 10 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 14 | W 14 | W 13 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | |
520 | 778 | 715 | 717 | 651 | 563 | 551 | 428 | 402 | 410 | 372 | 355 | 495 | 443 | 419 | 370 | 325 | 319 | 394 | 572 | 603 | 745 | 586 | 521 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-on | glassy | on | on | cross-on | cross-off | cross-off | cross-off | glassy | on | on | on | |
High Tide | 2:40PM0.99m | 1:02AM1.41m | 3:38PM1.00m | 1:55AM1.34m | 4:36PM1.01m | 2:54AM1.24m | ||||||||||||||||||
Low Tide | 7:42PM0.52m | 8:52AM-0.35m | 8:42PM0.54m | 9:47AM-0.29m | 9:52PM0.55m | 10:45AM-0.21m | ||||||||||||||||||
 | | |  | | | | | | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — |
 | — | — | 8:15 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | 8:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 19 | 15 | 14 | 14 | 15 | 16 | 19 | 21 | 18 | 13 | 12 | 11 | 10 | 11 | 15 | 16 | 15 | 11 | 10 | 10 | 10 | 12 | 16 |
16 | 13 | 9 | 10 | 11 | 12 | 14 | 17 | 17 | 13 | 9 | 10 | 10 | 9 | 10 | 13 | 14 | 12 | 8 | 8 | 9 | 8 | 11 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | W 18 | W 18 | W 16 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 14 | W 14 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 12 | WNW 9 | WNW 10 | WNW 11 | WNW 11 | WNW 11 |
 kJ | 51 | 56 | 55 | 135 | 651 | 563 | 551 | 428 | 402 | 405 | 372 | 286 | 495 | 443 | 419 | 370 | 325 | 319 | 224 | 572 | 603 | 745 | 586 | 521 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 17 | SW 17 | W 16 | W 16 | W 15 | W 15 | W 14 | SW 16 | SW 16 | W 13 | W 13 | W 13 | W 13 | W 13 | WNW 12 | WNW 12 | SW 16 | W 12 | WNW 12 | SW 19 | SW 19 | SW 19 |
| kJ | 17 | 16 | 45 | 46 | 188 | 248 | 291 | 343 | 333 | 42 | 42 | 355 | 330 | 268 | 268 | 263 | 232 | 224 | 85 | 274 | 183 | 133 | 236 | 184 |
Swell 3 Height (m) Direction Period (s) | WSW 16 | SSW 16 | SSW 12 | SSW 12 | SW 17 | SSW 15 | SSW 15 | SSW 15 | SW 16 | SSW 15 | SSW 15 | SW 16 | SSW 14 | SW 21 | SW 21 | SW 21 | SW 16 | SW 16 | SSW 13 | SW 15 | SW 15 | SW 15 | SSW 13 | SSW 13 |
| kJ | 26 | 26 | 15 | 15 | 44 | 45 | 44 | 43 | 43 | 21 | 42 | 42 | 40 | 71 | 162 | 162 | 40 | 64 | 35 | 82 | 35 | 35 | 34 | 34 |
Wind waves Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 9 | WNW 10 | — | — | — | — | — | WNW 10 | WNW 10 | — | — | — | — | — | — | — | WNW 10 | — | — | — | — | — |
| kJ | 520 | 778 | 715 | 717 | — | — | — | — | — | 410 | 332 | — | — | — | — | — | — | — | 394 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 120 | 121 | 83 | 0 | 0 | 0 | 0 | 0 | 0 | 120 | 54 | 0 | 8 | 0 | 22 | 22 | 25 | 0 | 0 | 0 | 0 | 22 | 22 | 22 |
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
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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