Surf Forecasts:
How big are the waves at Francis Beach today (20 Oct):
- 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 9PM is: 1.5m 12s primary swell from a West-northwest direction and 0.8m 15s secondary swell from a South-southwest direction (forecast issued at 04:00pm October 20). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | - | - |
| 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 ForecastModerate rain (total 10mm), heaviest on Thu morning. Very mild (max 18°C on Tue afternoon, min 13°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||
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) | WNW 12 | 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 | SW 15 | SW 18 | SSW 18 | SSW 18 |
Wave Graph  | ||||||||||||||||||||
 kJ | 322 | 540 | 619 | 589 | 455 | 363 | 303 | 272 | 137 | 194 | 191 | 166 | 173 | 214 | 220 | 223 | 220 | 157 | 211 | 211 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | glassy | cross | cross-off | cross-off | glassy | cross-on | glassy | cross-on | cross-off | cross | cross-off | cross | cross | glassy | on | cross-on | cross-on |
High Tide | 6:42PM1.35m | 8:21AM1.43m | 7:45PM1.37m | 8:45AM1.52m | 8:42PM1.40m | |||||||||||||||
Low Tide | 1:35PM0.83m | 1:32AM0.22m | 2:17PM0.66m | 2:11AM0.25m | 2:55PM0.47m | |||||||||||||||
 | |  | |  | |  | | | |  | | | |  | | | | | | |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 2 | 3 | 2 | — | — | — |
Temp °C | 18 | 18 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 15 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 17 | 16 | 14 | 16 | 14 | 14 | 14 | 16 | 16 | 17 | 13 | 16 | 14 | 14 | 13 | 13 | 16 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | W 10 | SSW 14 | SSW 14 | WNW 12 | SW 15 | SW 15 | SW 15 | SSW 14 | WNW 11 | WNW 8 |
| kJ | 322 | 540 | 619 | 589 | 455 | 363 | 303 | 227 | 137 | 135 | 135 | 166 | 173 | 140 | 220 | 223 | 220 | 134 | 121 | 94 |
Swell 2 Height (m) Direction Period (s) | 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 | WNW 11 | WNW 11 | WNW 11 | SW 18 | SSW 14 | SSW 14 |
| kJ | 291 | 275 | 272 | 272 | 268 | 268 | 268 | 272 | 131 | 194 | 191 | 61 | 61 | 214 | 121 | 90 | 88 | 157 | 129 | 125 |
Swell 3 Height (m) Direction Period (s) | 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 | SW 19 | SW 19 | W 11 | SSW 18 | SSW 18 |
| kJ | 198 | 174 | 15 | 12 | 84 | 53 | 14 | 18 | 105 | 44 | 27 | 69 | 70 | 97 | 97 | 96 | 95 | 58 | 211 | 211 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 36 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 0 | 8 | 0 | 0 | 0 | 7 | 0 | 7 | 0 | 7 | 0 | 7 | 7 | 0 | 40 | 40 | 55 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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