Surf Forecasts:
How big are the waves at Francis Beach today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 4.5ft (1.3m), 8s period with WNW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Evening surf: Evening surf (31 Jul, local time) - 5ft (1.6m), 7s period with WNW swell.
The current surf forecast for Francis Beach at 5AM is: 1.4m 8s primary swell from a West-northwest direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 10:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 4.5ft (1.3m) | 8s |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 14s |
| Evening (31 Jul) | 5ft (1.6m) | 7s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | ||||||||||||||||
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 8 | WNW 8 | SSW 14 | SSW 14 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 277 | 292 | 285 | 232 | 191 | 264 | 180 | 180 | 234 | 287 | 270 | 226 | 232 | 251 | 264 | 361 | 667 | 730 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 11:35PM1.73m | 1:18PM1.45m | 00:15AM1.64m | 1:44PM1.50m | ||||||||||||||
Low Tide | 5:52PM0.85m | 6:29AM-0.09m | 6:32PM0.78m | 6:59AM-0.01m | 7:16PM0.70m | |||||||||||||
 |  | | | | | | | | |  | | |  | | | | | |
 | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 8:19 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 12 | 13 | 16 | 17 | 15 | 13 | 13 | 12 | 12 | 13 | 16 | 17 | 16 | 14 | 13 |
Feels °C | 12 | 11 | 11 | 11 | 12 | 14 | 14 | 11 | 11 | 11 | 10 | 10 | 12 | 14 | 14 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSW 14 | SSW 14 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SW 14 | SSW 14 | WNW 8 | WNW 9 |
| kJ | 277 | 292 | 285 | 232 | 191 | 161 | 180 | 180 | 234 | 287 | 270 | 226 | 232 | 251 | 93 | 129 | 537 | 730 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | — | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | S 11 | SW 20 | SW 14 | SSW 14 |
| kJ | 223 | 188 | 186 | 183 | 183 | 180 | 86 | — | 180 | 131 | 121 | 120 | 120 | 123 | 9 | 15 | 96 | 78 |
Swell 3 Height (m) Direction Period (s) | SSE 14 | S 14 | S 14 | S 14 | S 13 | — | — | — | — | — | — | W 21 | SSW 14 | SW 20 | SW 20 | S 10 | S 10 | SW 19 |
| kJ | 68 | 97 | 144 | 136 | 126 | — | — | — | — | — | — | 9 | 80 | 15 | 15 | 17 | 8 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 8 | WNW 7 | WNW 7 | — | — | — | — | — | — | WNW 8 | WNW 8 | WNW 8 | — |
| kJ | — | — | — | — | — | 264 | 157 | 148 | — | — | — | — | — | — | 264 | 361 | 667 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 65 | 32 | 32 | 32 | 40 | 40 | 40 | 66 | 40 | 65 | 40 | 39 | 21 | 40 | 40 | 66 | 65 | 32 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
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