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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 4 pm Monday 18 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 slightly warmer than usual)How big are the waves at Francis Beach today?
The current surf forecast for Francis Beach at 12AM is: 1.9m 9s primary swell from a West-northwest direction and 0.5m 17s secondary swell from a West direction (forecast issued at 04:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5ft (1.6m) | 10s |
| Afternoon (19 May) | 4.5ft (1.4m) | 10s |
| Evening (19 May) | 4.5ft (1.3m) | 10s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Tue afternoon, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 8 AM | 11 AM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
WNW 10 | WNW 10 | WNW 10 | WNW 9 | 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 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | |
726 | 548 | 669 | 561 | 551 | 563 | 482 | 428 | 386 | 635 | 320 | 284 | 370 | 419 | 419 | 446 | 500 | 312 | 258 | 690 | 690 | 619 | 575 | 496 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-on | cross-on | on | cross-on | cross-on | glassy | glassy | glassy | cross-on | |
High Tide | 1:45PM1.33m | 00:06AM1.92m | 2:42PM1.33m | 00:59AM1.83m | 3:40PM1.35m | 1:58AM1.69m | ||||||||||||||||||
Low Tide | 6:14PM0.85m | 7:25AM-0.57m | 7:14PM0.89m | 8:20AM-0.47m | 8:24PM0.90m | 9:17AM-0.34m | ||||||||||||||||||
 | | |  | | | | | | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — |
 | — | — | 8:14 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | 8:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 17 | 13 | 11 | 11 | 12 | 15 | 20 | 22 | 17 | 12 | 11 | 11 | 10 | 11 | 14 | 15 | 14 | 11 | 10 | 9 | 9 | 11 | 15 |
14 | 11 | 9 | 9 | 9 | 11 | 14 | 17 | 17 | 13 | 10 | 9 | 10 | 9 | 10 | 13 | 13 | 12 | 9 | 8 | 8 | 8 | 10 | 14 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | SW 16 | W 18 | WNW 9 | 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 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 |
 kJ | 483 | 42 | 55 | 561 | 551 | 563 | 482 | 428 | 386 | 402 | 318 | 264 | 370 | 419 | 419 | 446 | 500 | 312 | 258 | 690 | 690 | 619 | 575 | 496 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | W 18 | SW 17 | WNW 17 | W 16 | W 16 | W 16 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | SW 16 | WNW 12 | WNW 12 | SW 15 | SW 15 | SW 19 | SW 19 | SW 19 |
| kJ | 26 | 25 | 46 | 96 | 132 | 188 | 239 | 209 | 268 | 333 | 320 | 284 | 268 | 209 | 209 | 87 | 40 | 176 | 183 | 80 | 35 | 133 | 184 | 133 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 12 | WSW 16 | SW 16 | SSW 15 | SSW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 21 | SW 21 | SW 21 | SSW 13 | SW 16 | SW 15 | SSW 13 | SSW 13 | SW 15 | SW 15 | SW 15 |
| kJ | 16 | 16 | 15 | 27 | 42 | 22 | 22 | 42 | 43 | 64 | 42 | 42 | 42 | 72 | 162 | 72 | 18 | 87 | 84 | 18 | 17 | 35 | 36 | 36 |
Wind waves Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | — | — | — | — | — | — | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 726 | 548 | 669 | — | — | — | — | — | — | 635 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 66 | 66 | 32 | 32 | 0 | 0 | 7 | 55 | 66 | 57 | 32 | 0 | 0 | 0 | 13 | 78 | 55 | 32 | 32 | 0 | 0 | 0 | 40 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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