Surf Forecasts:
How big are the waves at Francis Beach today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 4ft (1.2m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 8s period with WNW swell.
- Evening surf: Evening surf (12 Aug, local time) - 3.5ft (1.1m), 8s period with WNW swell.
The current surf forecast for Francis Beach at 6AM is: 1.2m 9s primary swell from a West-northwest direction and 0.5m 18s secondary swell from a Southwest direction (forecast issued at 10:00pm August 11). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 4ft (1.2m) | 9s |
| Afternoon (12 Aug) | 3.5ft (1.1m) | 8s |
| Evening (12 Aug) | 3.5ft (1.1m) | 8s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||
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 9 | WNW 9 | SW 18 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 151 | 154 | 194 | 232 | 222 | 160 | 157 | 194 | 160 | 157 | 176 | 192 | 181 | 176 | 167 | 171 | 149 | 149 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 9:56PM2.03m | 11:48AM1.54m | 10:48PM1.98m | 12:24PM1.60m | ||||||||||||||
Low Tide | 5:00AM-0.32m | 4:54PM0.68m | 5:41AM-0.24m | 5:45PM0.58m | ||||||||||||||
 |  | | | | |  | | |  | | | | | | | | | |
 | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 8:07 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 13 | 14 | 16 | 17 | 17 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 12 | 11 | 11 | 12 | 12 | 15 | 15 | 16 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 151 | 147 | 151 | 232 | 222 | 160 | 157 | 194 | 160 | 157 | 176 | 192 | 181 | 176 | 167 | 171 | 144 | 137 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 102 | 154 | 194 | 152 | 109 | 108 | 98 | 130 | 127 | 127 | 161 | 125 | 124 | 122 | 121 | 119 | 149 | 149 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 14 | SSW 12 | SSW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | W 12 | SSW 21 |
| kJ | 111 | 33 | 14 | 29 | 42 | 43 | 44 | 44 | 44 | 45 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | 43 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 39 | 17 | 13 | 13 | 13 | 13 | 84 | 78 | 50 | 23 | 13 | 32 | 84 | 84 | 84 | 66 | 66 | 55 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
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