Surf Forecasts:
How big are the waves at Francis Beach today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 11s period with W swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 13s period with SSW swell.
The current surf forecast for Francis Beach at 9PM is: 0.4m 13s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a West direction, 0.6m 4s secondary swell from a West-northwest direction (forecast issued at 04:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 2ft (0.6m) | 11s |
| Evening (21 Aug) | 1.5ft (0.4m) | 13s |
Table - waves today at Francis Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||
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 11 | SW 18 | SW 18 | SW 18 | SSW 13 | SSW 13 | SW 18 | SW 18 | SW 13 | WNW 6 | WNW 7 | NW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSW 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 82 | 68 | 68 | 68 | 68 | 68 | 50 | 49 | 47 | 55 | 142 | 309 | 173 | 132 | 111 | 130 | 138 | 116 | 119 | 202 |
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 | on | on | on | on | cross-on | cross-on |
High Tide | 5:52PM1.59m | 9:10AM1.21m | 6:52PM1.61m | 9:49AM1.27m | 7:47PM1.66m | |||||||||||||||
Low Tide | 12:13PM1.05m | 1:42AM0.18m | 1:23PM1.05m | 2:33AM0.11m | 2:18PM1.01m | |||||||||||||||
 |  |  |  | | | | | | | | | | | |  | | | | | |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 17 | 18 | 17 | 15 | 14 | 14 | 14 | 14 | 17 | 18 | 17 | 14 | 13 |
Feels °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 14 | 13 | 12 | 13 | 14 | 14 | 17 | 17 | 16 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | W 10 | WNW 5 | WNW 5 | W 10 | WNW 10 | WNW 10 | WNW 10 | SW 17 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 82 | 56 | 55 | 53 | 23 | 25 | 50 | 33 | 33 | 33 | 70 | 228 | 173 | 132 | 111 | 128 | 138 | 116 | 119 | 125 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | W 10 | W 10 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 15 | SSW 16 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SSW 17 |
| kJ | 70 | 68 | 68 | 68 | 52 | 51 | 44 | 44 | 44 | 43 | 41 | 39 | 60 | 48 | 58 | 130 | 93 | 112 | 83 | 202 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | SSW 13 | SSW 13 | SW 18 | SW 18 | SW 17 | SW 17 | WNW 10 | SSW 16 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SSW 12 | SSW 12 | W 11 |
| kJ | 50 | 49 | 49 | 48 | 68 | 68 | 48 | 49 | 47 | 46 | 20 | 27 | 14 | 14 | 14 | 29 | 38 | 29 | 30 | 9 |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 4 | WNW 4 | WNW 5 | NW 5 | NW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 7 | NW 7 | — | — | — | — | — | — | — | — |
| kJ | 12 | 12 | 13 | 14 | 20 | 34 | 23 | 20 | 22 | 55 | 142 | 309 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 68 | 68 | 65 | 32 | 32 | 32 | 32 | 55 | 66 | 66 | 40 | 40 | 40 | 32 | 40 | 40 | 66 | 66 | 40 | 32 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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