Surf Forecasts:
How big are the waves at The Patch today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 13s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 13s period with SW swell.
The current surf forecast for The Patch at 11AM is: 0.5m 14s primary swell from a Southwest direction and 0.6m 11s secondary swell from a West direction (forecast issued at 04:00am August 21). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 14s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 13s |
| Evening (21 Aug) | 1.5ft (0.5m) | 13s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the WNW on Sat afternoon, light winds from the WNW by Sun morning). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SSW 14 | SSW 14 | SW 14 | W 11 | SW 13 | SW 18 | SW 13 | SW 13 | SSW 13 | SW 18 | SW 17 | SW 17 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 167 | 138 | 134 | 93 | 88 | 85 | 68 | 85 | 85 | 68 | 68 | 77 | 76 | 170 | 323 | 315 | 186 | 121 | 136 | 130 | 135 | 138 | 138 | 138 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | cross-on | cross | cross | cross-off | cross-off |
High Tide | 9:11AM0.86m | 6:48PM1.17m | 10:06AM0.91m | 7:48PM1.19m | 10:45AM0.95m | 8:43PM1.22m | ||||||||||||||||||
Low Tide | 2:08AM0.14m | 1:41PM0.64m | 3:09AM0.10m | 2:51PM0.64m | 4:01AM0.06m | 3:46PM0.61m | ||||||||||||||||||
 | |  | |  |  |  | | | | | | | | | | | | | | | | |  | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 16 | 16 | 16 | 14 | 13 | 13 | 13 | 14 | 18 | 19 | 19 | 17 | 15 | 13 | 13 | 14 | 17 | 18 | 18 | 13 | 13 |
Feels °C | 11 | 11 | 12 | 14 | 13 | 13 | 11 | 11 | 11 | 11 | 12 | 16 | 16 | 14 | 13 | 12 | 10 | 11 | 14 | 17 | 17 | 16 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 85 | 83 | 83 | 82 | 82 | 78 | 54 | 52 | 51 | 51 | 50 | 50 | 50 | 43 | 96 | 90 | 63 | 58 | 136 | 121 | 135 | 138 | 138 | 138 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SSW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 17 | SW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 19 | SW 19 | SW 18 | SW 18 | SSW 16 |
| kJ | 167 | 138 | 134 | 93 | 88 | 85 | 68 | 85 | 85 | 68 | 68 | 44 | 44 | 74 | 41 | 39 | 14 | 23 | 37 | 130 | 127 | 114 | 112 | 97 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SW 19 | SW 20 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | WSW 18 | SW 18 | SW 17 | SW 17 | W 12 | W 12 | W 12 | WSW 19 | SW 19 | SW 19 | SSW 16 | SW 12 | SW 12 | SSW 16 | SW 18 |
| kJ | 15 | 15 | 15 | 51 | 50 | 49 | 49 | 49 | 47 | 30 | 48 | 77 | 76 | 12 | 11 | 11 | 37 | 59 | 130 | 50 | 38 | 37 | 49 | 83 |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 4 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | — | — | — | — | — | — |
| kJ | 30 | 23 | 20 | 19 | 25 | 26 | 27 | 38 | 61 | 47 | 29 | 31 | 47 | 170 | 323 | 315 | 186 | 121 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 54 | 54 | 0 | 22 | 122 | 122 | 120 | 54 | 0 | 0 | 0 | 0 | 121 | 120 | 22 | 94 | 22 | 0 | 0 | 22 | 25 | 121 | 22 | 0 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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