Surf Forecasts:
How big are the waves at The Patch today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2ft (0.6m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.1m), 14s period with SSW swell.
The current surf forecast for The Patch at 5AM is: 0.8m 16s primary swell from a Southwest direction and 0.6m 11s secondary swell from a South direction (forecast issued at 10:00pm July 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2ft (0.6m) | 16s |
| Afternoon (21 Jul) | 3.5ft (1.1m) | 14s |
| Evening (21 Jul) | 3.5ft (1.1m) | 14s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||
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 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | SSW 11 | SSW 10 | SSW 10 | SW 16 | SSW 9 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 295 | 295 | 295 | 291 | 157 | 342 | 446 | 494 | 487 | 246 | 275 | 237 | 188 | 245 | 203 | 194 | 194 | 206 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross | cross-off |
High Tide | 5:18PM1.23m | 6:02AM0.80m | 6:00PM1.23m | 7:47AM0.77m | 6:45PM1.23m | |||||||||||||
Low Tide | 00:42AM0.24m | 11:57AM0.37m | 1:50AM0.17m | 12:54PM0.49m | ||||||||||||||
 |  | | |  | | | | | |  | |  | | | | | | |
 | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 8:29 | — | — | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:28 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 16 | 16 | 17 | 19 | 21 | 21 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 16 | 15 |
Feels °C | 15 | 13 | 15 | 15 | 17 | 18 | 19 | 20 | 17 | 17 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | S 11 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SW 14 | SSW 8 | SSW 8 |
| kJ | 295 | 295 | 295 | 291 | 91 | 342 | 446 | 494 | 487 | 246 | 275 | 237 | 173 | 146 | 203 | 194 | 146 | 130 |
Swell 2 Height (m) Direction Period (s) | S 12 | WNW 8 | WNW 8 | S 11 | SW 16 | NW 8 | NW 8 | NW 8 | WNW 9 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 14 | WNW 12 | SW 14 | SW 14 |
| kJ | 99 | 46 | 46 | 91 | 157 | 33 | 35 | 14 | 30 | 217 | 178 | 181 | 188 | 245 | 160 | 28 | 194 | 206 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | S 11 | S 11 | WNW 8 | SSW 13 | W 13 | W 13 | W 13 | W 13 | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | SW 16 | NW 8 | WNW 12 | WNW 11 |
| kJ | 46 | 94 | 84 | 45 | 118 | 54 | 30 | 30 | 30 | 27 | 25 | 16 | 16 | 10 | 66 | 9 | 27 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSE 3 | S 3 | S 4 | S 4 | — | SSW 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 7 | 9 | — | 185 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 22 | 0 | 0 | 0 | 0 | 31 | 99 | 31 | 31 | 31 | 22 | 22 | 22 | 31 | 45 | 31 | 71 | 0 |
Best forecast wave conditions in Marin County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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