Surf Forecasts:
How big are the waves at Francis Beach today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
- Evening surf: Evening surf (30 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
The current surf forecast for Francis Beach at 4PM is: 1.6m 9s primary swell from a West-northwest direction and 0.6m 15s secondary swell from a Southwest direction (forecast issued at 10:00am September 30). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 5ft (1.6m) | 9s |
| Afternoon (30 Sep) | 5ft (1.6m) | 9s |
| Evening (30 Sep) | 5ft (1.6m) | 9s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||
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 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 424 | 485 | 495 | 443 | 495 | 433 | 368 | 385 | 359 | 308 | 274 | 305 | 248 | 251 | 241 | 179 | 175 | 175 | 179 | 163 | 163 | 163 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | cross-on | cross-on | cross-on | glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-on | on | cross-on | glassy |
High Tide | 1:10PM1.82m | 3:23AM1.23m | 1:59PM1.78m | 4:47AM1.21m | 2:59PM1.73m | |||||||||||||||||
Low Tide | 7:04AM0.79m | 8:16PM-0.10m | 7:54AM0.92m | 9:20PM-0.08m | 9:01AM1.02m | 10:32PM-0.05m | ||||||||||||||||
 | |  | |  | | | | | | | | |  | | |  | | | | | | |
 | 7:03 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 19 | 20 | 18 | 14 | 13 | 13 | 13 | 14 | 17 | 18 | 17 | 14 | 14 | 14 | 15 | 16 | 20 | 19 | 20 | 17 | 17 |
Feels °C | 15 | 20 | 19 | 16 | 13 | 12 | 13 | 13 | 14 | 17 | 17 | 17 | 14 | 14 | 14 | 15 | 16 | 19 | 18 | 19 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 424 | 485 | 495 | 443 | 495 | 433 | 368 | 385 | 359 | 308 | 274 | 305 | 248 | 251 | 241 | 179 | 175 | 175 | 179 | 148 | 148 | 105 |
Swell 2 Height (m) Direction Period (s) | W 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 89 | 119 | 149 | 143 | 137 | 103 | 73 | 73 | 72 | 70 | 69 | 67 | 62 | 63 | 102 | 98 | 95 | 94 | 93 | 163 | 163 | 163 |
Swell 3 Height (m) Direction Period (s) | SW 16 | WSW 12 | SW 20 | SW 20 | SW 18 | SW 18 | WNW 12 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 10 | SW 12 | SW 12 |
| kJ | 122 | 14 | 15 | 15 | 53 | 49 | 49 | 50 | 50 | 50 | 50 | 108 | 106 | 104 | 61 | 61 | 44 | 43 | 42 | 10 | 23 | 23 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 40 | 40 | 32 | 32 | 0 | 14 | 0 | 13 | 40 | 78 | 14 | 0 | 0 | 0 | 0 | 0 | 40 | 40 | 39 | 0 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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