Surf Forecasts:
How big are the waves at The Patch today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 14s period with SW swell.
The current surf forecast for The Patch at 10AM is: 0.7m 12s primary swell from a West direction and 0.8m 6s secondary swell from a West-northwest direction (forecast issued at 04:00am August 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 14s |
| Afternoon (20 Aug) | 2ft (0.6m) | 14s |
| Evening (20 Aug) | 2ft (0.6m) | 14s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 15 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | 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 | SW 17 | WNW 7 | WNW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 183 | 175 | 153 | 134 | 134 | 136 | 167 | 167 | 167 | 138 | 134 | 93 | 88 | 85 | 68 | 85 | 85 | 68 | 68 | 77 | 76 | 74 | 222 | 236 |
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-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:43AM0.81m | 5:49PM1.18m | 9:11AM0.86m | 6:48PM1.17m | 10:06AM0.91m | 7:48PM1.19m | ||||||||||||||||||
Low Tide | 1:00AM0.17m | 12:22PM0.60m | 2:08AM0.14m | 1:41PM0.64m | 3:09AM0.10m | 2:51PM0.64m | ||||||||||||||||||
 | |  |  | | | | | | | |  | | |  | | | | | | | | | | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 15 | 16 | 15 | 13 | 13 | 13 | 13 | 13 | 15 | 16 | 16 | 14 | 13 | 12 | 12 | 13 | 16 | 18 | 17 | 15 | 14 |
Feels °C | 10 | 11 | 11 | 14 | 14 | 12 | 10 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 12 | 10 | 9 | 9 | 10 | 13 | 15 | 13 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | SW 14 | W 12 | WNW 6 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 10 | W 10 | SW 13 | SW 16 | SW 16 |
| kJ | 85 | 164 | 99 | 47 | 134 | 132 | 88 | 86 | 85 | 83 | 83 | 83 | 82 | 78 | 54 | 52 | 51 | 51 | 50 | 33 | 50 | 43 | 96 | 90 |
Swell 2 Height (m) Direction Period (s) | SW 15 | W 11 | SW 14 | W 12 | SSW 14 | SSW 14 | SW 14 | SW 14 | 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 |
| kJ | 183 | 94 | 153 | 134 | 133 | 136 | 167 | 167 | 167 | 138 | 134 | 93 | 88 | 85 | 68 | 85 | 85 | 68 | 68 | 44 | 44 | 74 | 41 | 39 |
Swell 3 Height (m) Direction Period (s) | W 11 | SSW 14 | SW 18 | SSW 14 | WSW 19 | WSW 19 | SW 20 | SW 20 | 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 |
| kJ | 93 | 175 | 12 | 129 | 36 | 36 | 15 | 15 | 15 | 15 | 15 | 51 | 50 | 49 | 49 | 49 | 47 | 30 | 48 | 77 | 76 | 12 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | WNW 7 | WNW 7 | NW 7 | WNW 6 | WNW 6 | WNW 5 | WNW 5 | WNW 6 | WNW 6 | WNW 5 | WNW 5 | WNW 5 | WNW 4 | WNW 4 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 7 | WNW 7 |
| kJ | — | 70 | 50 | 88 | 44 | 42 | 36 | 42 | 65 | 47 | 44 | 32 | 25 | 21 | 17 | 23 | 28 | 29 | 31 | 33 | 42 | 100 | 222 | 236 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 54 | 121 | 120 | 87 | 54 | 54 | 54 | 121 | 122 | 123 | 120 | 110 | 54 | 54 | 54 | 120 | 123 | 122 | 22 | 22 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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