Surf Forecasts:
How big are the waves at Francis Beach today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2ft (0.6m), 16s period with W swell.
The current surf forecast for Francis Beach at 8PM is: 0.6m 18s primary swell from a Southwest direction and 0.8m 7s secondary swell from a West-northwest direction, 0.6m 16s secondary swell from a West direction (forecast issued at 04:00pm July 18). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 2ft (0.6m) | 18s |
| Evening (18 Jul) | 2ft (0.6m) | 16s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | ||||||||||||||||||
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) | W 16 | SW 18 | SW 18 | W 16 | W 16 | W 16 | W 16 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 251 | 201 | 206 | 174 | 172 | 172 | 121 | 165 | 241 | 297 | 290 | 334 | 261 | 167 | 163 | 196 | 193 | 239 | 242 | 295 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | glassy | glassy | on | glassy | on | on | on | cross-on | cross-on |
High Tide | 3:02PM1.63m | 2:32AM1.41m | 3:42PM1.66m | 3:40AM1.21m | 4:22PM1.67m | |||||||||||||||
Low Tide | 8:58PM0.58m | 8:56AM0.18m | 10:05PM0.49m | 9:40AM0.41m | ||||||||||||||||
 | | |  | |  | | |  | | | | | | | | | |  | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 8:28 | — | — | — | — | — | — | — | 8:28 | — | — | — | — | — | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 12 | 12 | 11 | 12 | 12 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 14 | 13 |
Feels °C | 13 | 13 | 10 | 10 | 9 | 11 | 11 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SW 16 | WNW 8 | WNW 8 | WNW 8 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 56 | 54 | 54 | 56 | 54 | 81 | 88 | 88 | 91 | 95 | 76 | 80 | 261 | 80 | 80 | 62 | 193 | 239 | 242 | 295 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | WNW 8 | SW 16 | SW 16 | SW 16 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 251 | 178 | 178 | 174 | 172 | 172 | 118 | 165 | 241 | 297 | 290 | 334 | 80 | 167 | 163 | 196 | 62 | 61 | 61 | 46 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 16 | SW 13 | SW 13 | SW 16 | W 16 | W 15 | W 15 | W 15 | W 14 | W 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 |
| kJ | 194 | 201 | 206 | 69 | 44 | 44 | 121 | 118 | 116 | 112 | 106 | 103 | 65 | 87 | 80 | 76 | 72 | 71 | 69 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 411 | 66 | 66 | 32 | 32 | 40 | 32 | 40 | 66 | 78 | 78 | 0 | 0 | 40 | 0 | 40 | 40 | 78 | 40 | 40 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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