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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 10 pm Sunday 31 Aug 2025 PDT
How big are the waves at The Patch today?
The current surf forecast for The Patch at 12AM is: 0.9m 16s primary swell from a Southwest direction and 0.3m 10s secondary swell from a West-northwest direction, 1.4m 6s secondary swell from a West-northwest direction (forecast issued at 10:00pm August 31). The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | - | - |
| Afternoon (01 Sep) | - | - |
| Evening (01 Sep) | 3ft (0.9m) | 17s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Sun 31 | Monday 01 | Tuesday 02 | Wednesday 03 | |||||||||||||||||||||
| 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 | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 524 | 599 | 530 | 495 | 478 | 495 | 471 | 488 | 442 | 443 | 509 | 484 | 500 | 395 | 443 | 398 | 411 | 456 | 309 | 315 | 317 | 359 | 426 | 385 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross- off |
High Tide / height (m) | 5:37PM 1.13 | 9:25AM 0.86 | 6:40PM 1.15 | 10:06AM 0.91 | 7:43PM 1.19 | 10:36AM 0.96 | ||||||||||||||||||
Low Tide / height (m) | 1:59AM 0.16 | 1:43PM 0.68 | 3:00AM 0.11 | 2:51PM 0.66 | 3:51AM 0.05 | 3:42PM 0.62 | ||||||||||||||||||
Sun 31 | Monday 01 | Tuesday 02 | Wednesday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:38 | - | - | - | - | - | - | - | 7:37 |
 | | | |  | | | | | | | |  | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 16 | 15 | 15 | 17 | 21 | 21 | 20 | 16 | 15 | 14 | 14 | 14 | 17 | 18 | 17 | 14 | 13 | 13 | 13 | 13 | 17 | 18 | 16 |
| Feels °C (?) | 14 | 13 | 13 | 13 | 16 | 20 | 19 | 17 | 13 | 13 | 13 | 14 | 14 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 12 | 17 | 17 | 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
Continuing clean conditions at The Patch (calm at Fairfax wx 12 km from The Patch). 1.6m 6s windswell from the WNW with a 0.7m 17s long period groundswell from the SW and a 0.4m 10s swell from the SSW. 3 swells combining to make bigger set waves.
Actual: 44 min ago
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