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Francis Beach Surf Forecast
/ CAL – San Mateo (15 breaks) / California (404 breaks) /
Surf Forecasts:
Francis Beach surfForecast / CAL – San Mateo / USA
48hr Weather and Surf, issued 10 am Thursday 21 May 2026 PDTForecast update in hr min s Forecast update imminent
Francis Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Francis Beach sea temperature is
12.7° C
(Which is normal for this time of year)How big are the waves at Francis Beach today?
The current surf forecast for Francis Beach at 6PM is: 1.3m 11s primary swell from a West-northwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 10:00am May 21). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 5ft (1.5m) | 11s |
| Afternoon (21 May) | 4.5ft (1.4m) | 11s |
| Evening (21 May) | 4ft (1.2m) | 11s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 10°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | |
575 | 487 | 436 | 379 | 308 | 302 | 296 | 279 | 269 | 263 | 223 | 269 | 227 | 223 | 223 | 218 | 218 | 179 | 197 | 203 | 203 | 203 | 203 | 203 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 4:37PM1.38m | 3:04AM1.52m | 5:30PM1.44m | 4:18AM1.35m | 6:18PM1.51m | |||||||||||||||||||
Low Tide | 9:17AM-0.34m | 9:44PM0.85m | 10:16AM-0.19m | 11:07PM0.75m | 11:13AM-0.03m | 00:22AM0.58m | ||||||||||||||||||
 | | | | |  | | | |  | | | | | | | | | | | | | | | |
 | 5:56 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 |
 | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:17 | — | — | 8:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 14 | 14 | 13 | 11 | 10 | 10 | 10 | 11 | 14 | 14 | 14 | 12 | 12 | 11 | 11 | 12 | 14 | 15 | 14 | 12 | 11 | 11 | 11 |
11 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 12 | 12 | 12 | 10 | 10 | 9 | 9 | 10 | 11 | 12 | 11 | 10 | 9 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | SW 16 | WNW 10 |
 kJ | 575 | 487 | 436 | 379 | 308 | 302 | 296 | 279 | 269 | 263 | 223 | 269 | 227 | 223 | 223 | 218 | 218 | 179 | 197 | 151 | 122 | 109 | 203 | 100 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | WNW 7 | SW 16 |
| kJ | 184 | 133 | 36 | 82 | 82 | 82 | 78 | 54 | 109 | 109 | 109 | 77 | 75 | 77 | 107 | 115 | 122 | 169 | 169 | 203 | 203 | 203 | 26 | 203 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 19 | SSW 13 | SSW 12 | SSW 12 | S 12 | SW 18 | SW 15 | SW 14 | SW 14 | SW 18 | SW 18 | SSW 12 | S 12 | SW 23 | SW 22 | SW 22 | SW 21 | SW 21 | NW 7 | SW 21 | WNW 10 | W 18 |
| kJ | 36 | 36 | 96 | 16 | 15 | 15 | 11 | 49 | 75 | 54 | 54 | 80 | 49 | 14 | 11 | 20 | 18 | 18 | 18 | 18 | 14 | 18 | 55 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | SSE 2 | SSE 3 | S 3 | SSW 3 | SSW 3 | SSW 3 | SSW 3 | S 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 3 | 2 | 2 | 2 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 40 | 66 | 78 | 40 | 40 | 20 | 14 | 13 | 13 | 84 | 13 | 13 | 13 | 13 | 0 | 13 | 102 | 102 | 84 | 13 | 69 | 50 | 13 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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