
Surf Forecasts:
How big are the waves at Francis Beach today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4ft (1.2m), 12s period with WNW swell.
- Evening surf: Evening surf (20 Oct, local time) - 5ft (1.5m), 12s period with WNW swell.
The current surf forecast for Francis Beach at 11AM is: 1.1m 14s primary swell from a West-northwest direction and 0.8m 16s secondary swell from a South-southwest direction (forecast issued at 04:00am October 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 2.5ft (0.8m) | 16s |
| Afternoon (20 Oct) | 4ft (1.2m) | 12s |
| Evening (20 Oct) | 5ft (1.5m) | 12s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu morning. Very mild (max 18°C on Tue afternoon, min 12°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 16 | WNW 14 | SSW 15 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SSW 15 | WNW 10 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 15 | SW 15 | SSW 15 | SW 18 | SSW 18 | WNW 7 |
Wave Graph | ||||||||||||||||||||||||
430 | 318 | 318 | 492 | 303 | 619 | 619 | 589 | 455 | 363 | 303 | 272 | 137 | 194 | 191 | 166 | 173 | 214 | 220 | 223 | 191 | 155 | 211 | 329 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-off | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross | cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 7:56AM1.36m | 6:42PM1.35m | 8:21AM1.43m | 7:45PM1.37m | 8:45AM1.52m | 8:42PM1.40m | ||||||||||||||||||
Low Tide | 00:47AM0.21m | 1:35PM0.83m | 1:32AM0.22m | 2:17PM0.66m | 2:11AM0.25m | 2:55PM0.47m | ||||||||||||||||||
— | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | |
— | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — |
Temp °C | 13 | 13 | 12 | 16 | 18 | 18 | 15 | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 12 | 12 | 11 | 15 | 16 | 15 | 13 | 14 | 14 | 14 | 14 | 15 | 17 | 16 | 14 | 15 | 15 | 15 | 13 | 14 | 14 | 14 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | SSW 16 | WNW 14 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | W 12 | SSW 14 | SSW 14 | WNW 12 | WNW 11 | SW 15 | SSW 15 | SSW 14 | SSW 14 | WNW 7 |
210 | 170 | 318 | 492 | 303 | 619 | 619 | 589 | 455 | 363 | 303 | 227 | 137 | 135 | 132 | 166 | 173 | 140 | 121 | 223 | 191 | 134 | 131 | 249 | |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | WNW 11 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SW 14 | SW 14 | WNW 9 | WNW 9 | SW 14 | SW 15 | WNW 8 | W 11 | SW 18 | SSW 18 | SSW 18 |
430 | 318 | 173 | 314 | 291 | 275 | 272 | 272 | 268 | 268 | 268 | 272 | 131 | 194 | 191 | 61 | 61 | 214 | 220 | 42 | 58 | 155 | 211 | 211 | |
Swell 3 Height (m) Direction Period (s) | W 16 | W 15 | W 14 | W 15 | W 14 | WNW 15 | SW 19 | SW 18 | SW 18 | SW 18 | W 13 | SW 22 | SSW 16 | W 12 | NW 9 | W 12 | W 12 | SW 20 | SW 20 | W 11 | SW 19 | WNW 11 | S 5 | SSW 14 |
20 | 39 | 107 | 155 | 203 | 174 | 15 | 12 | 84 | 53 | 14 | 18 | 105 | 44 | 39 | 69 | 70 | 97 | 97 | 58 | 95 | 38 | 1 | 108 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 5 | WNW 5 | WNW 6 | WNW 7 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 23 | 19 | 103 | 329 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 7 | 55 | 7 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 32 | 7 | 66 | 40 | 32 | 57 |
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)












