
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 8AM is: 1.3m 8s primary swell from a West-northwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 04:00am September 16). The wind direction is predicted to be 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 Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||||
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 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SW 17 | 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 | ||||||||||||||||||||||||
146 | 188 | 223 | 183 | 165 | 140 | 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 | on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross | 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 | 3:24AM1.18m | 2:15PM1.60m | 4:50AM1.12m | 3:02PM1.54m | 6:29AM1.14m | 4:00PM1.48m | ||||||||||||||||||
Low Tide | 8:16AM0.90m | 9:32PM0.21m | 9:12AM1.02m | 10:37PM0.24m | 10:34AM1.09m | |||||||||||||||||||
— | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | |
— | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:13 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 16 | 15 | 15 | 14 | 15 | 17 | 18 | 17 | 14 | 14 |
Feels °C | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 13 | 15 | 15 | 16 | 15 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | 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 5 |
146 | 188 | 223 | 183 | 165 | 125 | 107 | 83 | 89 | 94 | 96 | 96 | 78 | 75 | 58 | 58 | 58 | 44 | 45 | 38 | 184 | 184 | 184 | 31 | |
Swell 2 Height (m) Direction Period (s) | 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 | SW 15 | SSW 14 | SW 20 | SW 19 | SW 14 | SW 14 | SW 14 | SW 19 |
63 | 87 | 87 | 87 | 127 | 140 | 148 | 150 | 31 | 104 | 119 | 122 | 122 | 119 | 109 | 106 | 104 | 82 | 134 | 184 | 54 | 52 | 49 | 133 | |
Swell 3 Height (m) Direction Period (s) | SSW 20 | SSW 20 | SSW 19 | SSW 19 | W 12 | W 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SW 21 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 20 | SW 14 | SSW 14 | WNW 10 | S 11 | S 11 | SSW 13 |
38 | 38 | 37 | 36 | 11 | 25 | 27 | 25 | 23 | 23 | 23 | 23 | 72 | 36 | 34 | 33 | 19 | 138 | 103 | 82 | 19 | 9 | 9 | 70 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 10 | WNW 10 | WNW 9 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 45 | 83 | 81 | 103 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 55 | 55 | 40 | 190 | 66 | 272 | 55 | 40 | 40 | 13 | 13 | 13 | 40 | 267 | 32 | 32 | 32 | 7 | 32 | 40 | 40 | 66 | 40 | 32 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












