Surf Forecasts:
How big are the waves at Francis Beach today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 5ft (1.5m), 8s period with WNW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.3m), 8s period with WNW swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 8s period with WNW swell.
The current surf forecast for Francis Beach at 9AM is: 1.5m 8s primary swell from a West-northwest direction and 0.4m 17s secondary swell from a Southwest direction (forecast issued at 04:00am September 15). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 5ft (1.5m) | 8s |
| Afternoon (15 Sep) | 4.5ft (1.3m) | 8s |
| Evening (15 Sep) | 3.5ft (1.1m) | 8s |
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 morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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 | 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 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 | SW 18 | WNW 8 | WNW 8 | WNW 8 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 442 | 370 | 321 | 256 | 217 | 176 | 149 | 149 | 188 | 239 | 249 | 237 | 217 | 188 | 148 | 150 | 128 | 137 | 137 | 122 | 122 | 119 | 109 | 106 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross | cross-off | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 2:16AM1.29m | 1:38PM1.66m | 3:24AM1.18m | 2:15PM1.60m | 4:50AM1.12m | 3:02PM1.54m | ||||||||||||||||||
Low Tide | 7:33AM0.74m | 8:36PM0.17m | 8:16AM0.90m | 9:32PM0.21m | 9:12AM1.02m | 10:37PM0.24m | ||||||||||||||||||
 |  |  | | | | | | | |  | | | |  | | | | |  | | | | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 16 | 17 | 16 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 15 | 15 |
Feels °C | 13 | 14 | 14 | 15 | 16 | 15 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | 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 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 442 | 370 | 321 | 256 | 217 | 176 | 149 | 149 | 188 | 239 | 249 | 237 | 217 | 188 | 142 | 119 | 128 | 137 | 137 | 99 | 101 | 75 | 58 | 58 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 17 | SW 17 | SW 18 | WNW 11 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 77 | 106 | 102 | 93 | 89 | 64 | 63 | 39 | 63 | 87 | 87 | 87 | 127 | 142 | 148 | 150 | 23 | 104 | 119 | 122 | 122 | 119 | 109 | 106 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | W 13 | W 13 | W 13 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | W 12 | WNW 12 | WNW 12 | WNW 11 | SW 14 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 24 | 23 | 23 | 23 | 14 | 14 | 14 | 38 | 38 | 38 | 37 | 36 | 11 | 27 | 27 | 23 | 31 | 23 | 23 | 39 | 23 | 22 | 21 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 39 | 0 | 40 | 78 | 66 | 66 | 55 | 65 | 39 | 55 | 102 | 66 | 262 | 55 | 17 | 14 | 13 | 0 | 40 | 40 | 55 | 32 | 32 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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