Surf Forecasts:
How big are the waves at Francis Beach today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 1.5ft (0.5m), 15s period with SW swell.
The current surf forecast for Francis Beach at 3AM is: 0.8m 8s primary swell from a West-northwest direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 10:00pm September 16). The wind direction is predicted to be glassy.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 1.5ft (0.5m) | 16s |
| Afternoon (17 Sep) | 1.5ft (0.5m) | 16s |
| Evening (17 Sep) | 1.5ft (0.5m) | 15s |
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 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||
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 17 | SW 18 | WNW 8 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 |
Wave Graph  | ||||||||||||||||||
 kJ | 148 | 150 | 89 | 104 | 119 | 122 | 122 | 119 | 109 | 106 | 104 | 138 | 134 | 184 | 184 | 184 | 184 | 133 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:50AM1.12m | 3:02PM1.54m | 6:29AM1.14m | 4:00PM1.48m | ||||||||||||||
Low Tide | 9:32PM0.21m | 9:12AM1.02m | 10:37PM0.24m | 10:34AM1.09m | ||||||||||||||
 | |  | |  |  |  | |  | | | | | | | | | | |
 | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 17 | 18 | 18 | 16 | 15 | 14 | 14 | 15 | 17 | 18 | 17 | 14 | 14 |
Feels °C | 15 | 15 | 15 | 14 | 14 | 16 | 17 | 17 | 16 | 15 | 13 | 13 | 15 | 16 | 16 | 15 | 13 | 13 |
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 | SW 19 | SW 19 | SW 19 | WNW 6 |
| kJ | 81 | 66 | 89 | 75 | 75 | 76 | 75 | 56 | 56 | 58 | 44 | 36 | 44 | 37 | 184 | 184 | 184 | 51 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 18 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 20 | SW 19 | SW 14 | SW 14 | NW 10 | SW 19 |
| kJ | 148 | 150 | 31 | 104 | 119 | 122 | 122 | 119 | 109 | 106 | 104 | 103 | 134 | 184 | 54 | 52 | 23 | 133 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | SW 21 | WNW 11 | SW 21 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 20 | SW 14 | SSW 14 | WNW 10 | S 11 | SW 14 | SSW 13 |
| kJ | 28 | 13 | 12 | 72 | 23 | 71 | 37 | 36 | 20 | 20 | 19 | 138 | 103 | 82 | 19 | 9 | 49 | 70 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 10 | WNW 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 33 | 83 | 17 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 17 | 0 | 0 | 0 | 0 | 13 | 40 | 255 | 32 | 7 | 32 | 32 | 32 | 40 | 40 | 66 | 55 | 32 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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