Surf Forecasts:
How big are the waves at Francis Beach today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 1.5ft (0.5m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (19 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
The current surf forecast for Francis Beach at 6AM is: 1.2m 7s primary swell from a West-northwest direction and 0.4m 19s secondary swell from a Southwest direction (forecast issued at 10:00pm September 18). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 1.5ft (0.5m) | 18s |
| Afternoon (19 Sep) | 2ft (0.6m) | 18s |
| Evening (19 Sep) | 2ft (0.6m) | 18s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||
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 19 | SW 19 | WNW 7 | WNW 7 | WNW 7 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | NW 8 | SW 18 | SW 18 | WNW 8 | WNW 8 | SW 19 | SW 18 | SW 18 |
Wave Graph  | ||||||||||||||||||
 kJ | 184 | 133 | 133 | 132 | 144 | 199 | 197 | 197 | 194 | 234 | 326 | 199 | 199 | 257 | 264 | 339 | 314 | 304 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on |
High Tide | 7:42AM1.19m | 5:08PM1.47m | 8:27AM1.26m | 6:17PM1.48m | ||||||||||||||
Low Tide | 11:48PM0.24m | 12:01PM1.09m | 00:53AM0.22m | 1:09PM1.02m | ||||||||||||||
 | |  | |  |  | | | | | | |  | | | | | | |
 | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 17 | 18 | 16 | 14 | 14 | 14 | 14 | 14 | 16 | 16 | 15 | 14 | 14 |
Feels °C | 13 | 13 | 12 | 13 | 14 | 17 | 16 | 13 | 11 | 12 | 12 | 12 | 13 | 15 | 14 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 19 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SW 18 | SW 18 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 184 | 49 | 116 | 132 | 144 | 134 | 96 | 197 | 194 | 234 | 234 | 188 | 188 | 157 | 161 | 157 | 148 | 181 |
Swell 2 Height (m) Direction Period (s) | NW 10 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 13 | SW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 18 | SW 18 |
| kJ | 23 | 133 | 133 | 129 | 114 | 199 | 197 | 44 | 44 | 197 | 197 | 199 | 199 | 199 | 203 | 339 | 314 | 304 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | S 10 | SW 21 | SW 13 | SSW 13 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 49 | 70 | 69 | 69 | 44 | 44 | 44 | 8 | 18 | 44 | 32 | 24 | 29 | 29 | 14 | 14 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | WNW 5 | — | — | — | — | — | — | WNW 7 | WNW 7 | — | NW 8 | — | — | WNW 8 | WNW 8 | WNW 8 | NW 7 | WNW 7 |
| kJ | 17 | — | — | — | — | — | — | 91 | 136 | — | 326 | — | — | 257 | 264 | 257 | 217 | 250 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 55 | 40 | 40 | 39 | 0 | 40 | 40 | 66 | 65 | 40 | 40 | 40 | 39 | 40 | 40 | 66 | 65 | 40 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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