Surf Forecasts:
How big are the waves at The Patch today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 1.5ft (0.5m), 15s period with SW swell.
The current surf forecast for The Patch at 12PM is: 0.5m 16s primary swell from a Southwest direction and 0.8m 8s secondary swell from a West-northwest direction (forecast issued at 04:00am September 17). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 1.5ft (0.5m) | 16s |
| Afternoon (17 Sep) | 1.5ft (0.5m) | 16s |
| Evening (17 Sep) | 1.5ft (0.5m) | 15s |
Table - waves today at The Patch. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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) | WNW 8 | WNW 8 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | WNW 6 | NW 7 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | WNW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 100 | 105 | 119 | 166 | 122 | 121 | 112 | 106 | 104 | 140 | 184 | 236 | 236 | 236 | 236 | 184 | 155 | 251 | 161 | 199 | 252 | 252 | 252 | 320 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | on | on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:46AM0.85m | 3:58PM1.14m | 7:26AM0.86m | 4:56PM1.10m | 8:38AM0.90m | 6:04PM1.09m | ||||||||||||||||||
Low Tide | 10:41AM0.62m | 00:05AM0.14m | 12:03PM0.66m | 1:15AM0.15m | 1:30PM0.66m | |||||||||||||||||||
 |  |  |  |  | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 17 | 18 | 18 | 16 | 15 | 15 | 14 | 14 | 18 | 18 | 18 | 14 | 14 | 13 | 13 | 14 | 17 | 18 | 16 | 13 | 13 |
Feels °C | 16 | 16 | 15 | 15 | 17 | 17 | 15 | 14 | 14 | 13 | 13 | 17 | 16 | 15 | 11 | 12 | 11 | 13 | 15 | 17 | 16 | 12 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | WNW 7 | WNW 7 | WNW 7 | SW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 100 | 105 | 103 | 76 | 75 | 58 | 58 | 58 | 58 | 58 | 59 | 44 | 236 | 236 | 236 | 184 | 133 | 132 | 148 | 127 | 252 | 252 | 252 | 252 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 19 | SW 19 | SW 14 | SSW 14 | SW 14 | SW 14 | SSW 13 | SW 19 | SW 18 | SW 18 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 49 | 51 | 119 | 166 | 122 | 121 | 112 | 106 | 104 | 104 | 184 | 236 | 103 | 81 | 50 | 46 | 69 | 129 | 161 | 199 | 44 | 44 | 44 | 44 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SW 21 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 20 | SW 14 | SW 14 | WNW 10 | S 11 | S 10 | S 10 | S 10 | SW 13 | SW 13 | SW 13 | S 10 | S 10 | S 10 | S 10 |
| kJ | 61 | 70 | 23 | 22 | 43 | 36 | 20 | 20 | 19 | 140 | 103 | 103 | 19 | 20 | 19 | 8 | 18 | 45 | 44 | 44 | 8 | 8 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 10 | WNW 5 | WNW 6 | WNW 6 | NW 7 | — | — | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 45 | 105 | 56 | 141 | 155 | 251 | — | — | 93 | 113 | 192 | 320 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 42 | 22 | 22 | 31 | 22 | 149 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 120 | 112 | 22 | 22 | 0 | 0 | 0 | 0 | 121 | 120 | 54 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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