Surf Forecasts:
How big are the waves at Francis Beach today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
The current surf forecast for Francis Beach at 2AM is: 0.6m 15s primary swell from a South-southwest direction and 0.9m 7s secondary swell from a West-northwest direction (forecast issued at 10:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 14s |
| Afternoon (20 Aug) | 2ft (0.6m) | 14s |
| Evening (20 Aug) | 2ft (0.6m) | 14s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
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) | SW 15 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | W 11 | W 11 | SW 18 | SW 18 | SW 18 |
Wave Graph  | ||||||||||||||||||
 kJ | 191 | 191 | 152 | 134 | 127 | 131 | 134 | 138 | 138 | 138 | 102 | 102 | 99 | 83 | 70 | 68 | 55 | 68 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:46AM1.07m | 4:53PM1.59m | 8:15AM1.14m | 5:52PM1.59m | ||||||||||||||
Low Tide | 11:32PM0.29m | 10:54AM0.99m | 00:41AM0.24m | 12:13PM1.05m | ||||||||||||||
 | |  | |  |  | | | | | | | | | |  |  | | |
 | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 13 | 16 | 16 | 15 | 14 | 13 |
Feels °C | 12 | 11 | 12 | 12 | 11 | 13 | 14 | 12 | 12 | 11 | 11 | 11 | 11 | 14 | 13 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | W 12 | W 12 | W 11 | W 11 | WNW 6 | WNW 6 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 |
| kJ | 88 | 84 | 73 | 70 | 68 | 52 | 99 | 98 | 89 | 86 | 41 | 41 | 83 | 83 | 57 | 56 | 55 | 53 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SSW 15 | SSW 14 | W 12 | W 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | W 11 | W 11 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SSW 13 |
| kJ | 191 | 191 | 152 | 134 | 98 | 99 | 134 | 138 | 138 | 138 | 85 | 85 | 99 | 74 | 70 | 68 | 44 | 68 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | W 11 | SSW 14 | SSW 14 | WSW 19 | SW 19 | SW 20 | SW 20 | SW 14 | SW 14 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 76 | 73 | 93 | 94 | 127 | 131 | 36 | 15 | 15 | 15 | 102 | 102 | 14 | 52 | 50 | 49 | 49 | 48 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 7 | — | WNW 6 | WNW 6 | WNW 6 | WNW 6 | — | NW 6 | WNW 6 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 4 |
| kJ | — | — | — | — | 91 | — | 45 | 42 | 43 | 40 | — | 56 | 40 | 33 | 23 | 21 | 12 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 66 | 32 | 32 | 32 | 39 | 40 | 66 | 66 | 65 | 32 | 40 | 55 | 32 | 66 | 68 | 68 | 66 | 55 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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