Surf Forecasts:
How big are the waves at Francis Beach today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.3m), 8s period with WNW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 4ft (1.2m), 8s period with WNW swell.
- Evening surf: Evening surf (16 Sep, local time) - 1.5ft (0.5m), 17s period with SW swell.
The current surf forecast for Francis Beach at 1AM is: 1.2m 8s primary swell from a West-northwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 04:00pm September 15). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 4.5ft (1.3m) | 8s |
| Afternoon (16 Sep) | 4ft (1.2m) | 8s |
| Evening (16 Sep) | 1.5ft (0.5m) | 17s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||
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 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SW 17 | SW 18 | WNW 8 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 217 | 176 | 149 | 146 | 172 | 228 | 223 | 217 | 179 | 142 | 148 | 150 | 128 | 108 | 119 | 122 | 122 | 119 | 109 | 106 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross | cross-off | cross-off | cross-on | on | on | cross-on | cross-on |
High Tide | 1:38PM1.66m | 3:24AM1.18m | 2:15PM1.60m | 4:50AM1.12m | 3:02PM1.54m | |||||||||||||||
Low Tide | 8:36PM0.17m | 8:16AM0.90m | 9:32PM0.21m | 9:12AM1.02m | 10:37PM0.24m | |||||||||||||||
 | |  | | |  |  | | | | | | | | | |  | |  | | |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 15 | 15 |
Feels °C | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 17 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | 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 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 217 | 176 | 149 | 146 | 172 | 228 | 223 | 217 | 179 | 138 | 116 | 119 | 128 | 108 | 96 | 101 | 82 | 75 | 58 | 58 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 17 | SW 17 | SW 18 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 89 | 64 | 63 | 63 | 63 | 87 | 87 | 87 | 127 | 142 | 148 | 150 | 31 | 104 | 119 | 122 | 122 | 119 | 109 | 106 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | W 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 14 | 14 | 14 | 38 | 38 | 37 | 37 | 36 | 11 | 28 | 27 | 23 | 23 | 23 | 23 | 23 | 37 | 41 | 40 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 78 | 66 | 66 | 55 | 55 | 43 | 55 | 190 | 379 | 68 | 66 | 13 | 13 | 0 | 0 | 13 | 40 | 66 | 32 | 7 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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