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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 pm Sunday 17 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 3AM is: 3.0m 10s primary swell from a West-northwest direction and 2.2m 10s secondary swell from a West-northwest direction, 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 10:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 10s |
| Afternoon (18 May) | 6ft (1.9m) | 10s |
| Evening (18 May) | 6ft (1.9m) | 9s |
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 21°C on Mon morning, min 10°C on Tue night). Winds decreasing (fresh winds from the N on Sun night, calm by Mon night). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 | 2 PM | 5 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | 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 | |
2573 | 2693 | 1985 | 1475 | 687 | 500 | 701 | 500 | 641 | 687 | 665 | 574 | 482 | 437 | 464 | 674 | 325 | 332 | 370 | 419 | 482 | 482 | 490 | 305 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross | 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 | |
High Tide | 11:16PM1.96m | 1:45PM1.33m | 00:06AM1.92m | 2:42PM1.33m | 00:59AM1.83m | 3:40PM1.35m | ||||||||||||||||||
Low Tide | 5:21PM0.79m | 6:32AM-0.61m | 6:14PM0.85m | 7:25AM-0.57m | 7:14PM0.89m | 8:20AM-0.47m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | |  | |  | | | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — |
 | 8:13 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | 8:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 18 | 18 | 17 | 18 | 21 | 19 | 16 | 12 | 11 | 11 | 12 | 16 | 20 | 21 | 16 | 12 | 11 | 10 | 10 | 11 | 14 | 15 | 14 |
9 | 10 | 9 | 8 | 11 | 14 | 12 | 10 | 8 | 9 | 9 | 11 | 15 | 17 | 16 | 12 | 9 | 9 | 9 | 9 | 10 | 13 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 16 | WNW 9 | 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 |
 kJ | 1808 | 1689 | 1192 | 882 | 687 | 500 | 435 | 42 | 641 | 687 | 665 | 574 | 482 | 437 | 464 | 426 | 325 | 332 | 370 | 419 | 482 | 482 | 490 | 305 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SW 16 | SSW 16 | W 18 | W 18 | 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 | W 12 |
| kJ | 45 | 45 | 44 | 17 | 17 | 42 | 26 | 25 | 55 | 96 | 132 | 186 | 239 | 212 | 206 | 333 | 320 | 280 | 268 | 209 | 87 | 87 | 40 | 171 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 13 | SSW 13 | SSW 13 | SW 17 | WSW 17 | SW 16 | SSW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 21 | SW 21 | SW 21 | SSW 13 | SW 16 |
| kJ | 31 | 31 | 31 | 30 | 28 | 17 | 17 | 16 | 46 | 27 | 66 | 22 | 59 | 42 | 43 | 64 | 42 | 42 | 42 | 72 | 162 | 72 | 18 | 87 |
Wind waves Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | NW 10 | — | — | WNW 10 | WNW 10 | — | — | — | — | — | — | — | WNW 10 | — | — | — | — | — | — | — | — |
| kJ | 2573 | 2693 | 1985 | 1475 | — | — | 701 | 500 | — | — | — | — | — | — | — | 674 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 68 | 66 | 66 | 66 | 55 | 55 | 66 | 66 | 32 | 32 | 32 | 0 | 0 | 7 | 55 | 66 | 55 | 32 | 0 | 0 | 0 | 40 | 78 | 102 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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