Surf Forecasts:
How big are the waves at Francis Beach today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 4ft (1.2m), 8s period with WNW swell.
- Evening surf: Evening surf (23 Sep, local time) - 4.5ft (1.3m), 10s period with WNW swell.
The current surf forecast for Francis Beach at 4AM is: 1.7m 8s primary swell from a West-northwest direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 10:00pm September 22). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 5ft (1.6m) | 9s |
| Afternoon (23 Sep) | 4ft (1.2m) | 8s |
| Evening (23 Sep) | 4.5ft (1.3m) | 10s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Wed afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||
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 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 11 | WNW 11 | WNW 10 | WNW 9 | WNW 8 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 251 | 352 | 370 | 370 | 378 | 329 | 207 | 452 | 372 | 343 | 333 | 275 | 331 | 167 | 170 | 170 | 167 | 160 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:12PM1.58m | 9:49AM1.43m | 9:01PM1.61m | 10:11AM1.50m | 9:47PM1.62m | |||||||||||||
Low Tide | 3:07AM0.12m | 3:20PM0.69m | 3:39AM0.13m | 3:56PM0.54m | ||||||||||||||
 | | | |  | | | |  | | | | |  | |  |  | | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 14 | 19 | 21 | 19 | 16 | 15 | 15 | 15 | 15 | 18 | 18 | 17 | 15 | 15 |
Feels °C | 11 | 12 | 13 | 14 | 14 | 18 | 19 | 16 | 15 | 14 | 14 | 14 | 14 | 17 | 16 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 11 | WNW 11 | WNW 10 | WNW 9 | WNW 8 | WNW 10 | WNW 8 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 245 | 352 | 370 | 370 | 378 | 329 | 207 | 452 | 372 | 343 | 333 | 275 | 331 | 116 | 170 | 170 | 167 | 133 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 11 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | WNW 11 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 155 | 306 | 251 | 248 | 203 | 198 | 126 | 176 | 174 | 171 | 171 | 171 | 171 | 167 | 130 | 162 | 118 | 114 |
Swell 3 Height (m) Direction Period (s) | SW 16 | WNW 12 | W 12 | WNW 12 | S 11 | S 11 | SW 15 | S 11 | S 11 | S 13 | — | S 12 | S 12 | SW 14 | SSW 11 | S 10 | S 10 | S 10 |
| kJ | 251 | 150 | 76 | 29 | 2 | 2 | 183 | 2 | 2 | 29 | — | 25 | 10 | 132 | 12 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 9 | — | — | — | — | — | — | WNW 7 | WNW 6 | WNW 6 | WNW 6 |
| kJ | — | — | — | — | — | — | — | 338 | — | — | — | — | — | — | 74 | 62 | 97 | 160 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 40 | 32 | 0 | 0 | 0 | 7 | 55 | 66 | 32 | 18 | 40 | 32 | 39 | 40 | 66 | 66 | 32 | 32 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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