Surf Forecasts:
How big are the waves at Pomponio State Beach today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 4.5ft (1.4m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 4.5ft (1.4m), 8s period with NW swell.
- Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.7m), 18s period with SW swell.
The current surf forecast for Pomponio State Beach at 5PM is: 0.6m 18s primary swell from a Southwest direction and 1.4m 8s secondary swell from a West-northwest direction (forecast issued at 10:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 4.5ft (1.4m) | 8s |
| Afternoon (20 Sep) | 4.5ft (1.4m) | 8s |
| Evening (20 Sep) | 2.5ft (0.7m) | 18s |
Table - waves today at Pomponio State Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 13°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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 | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 18 | NW 8 | NW 8 | WNW 8 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 17 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 223 | 252 | 255 | 260 | 323 | 312 | 243 | 302 | 291 | 355 | 360 | 291 | 295 | 295 | 346 | 322 | 343 | 343 | 343 | 287 | 351 | 865 |
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 | on | on | on | cross-on | cross-on | on | glassy | on | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 8:27AM1.66m | 6:28PM1.94m | 8:58AM1.73m | 7:25PM1.99m | 9:23AM1.80m | 8:15PM2.04m | ||||||||||||||||
Low Tide | 12:48PM1.43m | 1:56AM0.54m | 1:45PM1.34m | 2:36AM0.49m | 2:31PM1.22m | |||||||||||||||||
 | | | |  | | | | | | | | | | | | |  |  | |  |  | |
 | 6:54 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 16 | 16 | 15 | 13 | 13 | 13 | 13 | 13 | 16 | 17 | 16 | 14 | 14 |
Feels °C | 11 | 12 | 14 | 13 | 12 | 11 | 11 | 12 | 13 | 15 | 14 | 14 | 12 | 12 | 12 | 13 | 13 | 16 | 16 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 8 | SW 18 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 |
| kJ | 223 | 236 | 255 | 213 | 183 | 173 | 202 | 178 | 183 | 169 | 193 | 178 | 178 | 150 | 346 | 322 | 343 | 343 | 343 | 287 | 351 | 865 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SW 18 | SSW 12 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | WNW 13 | WNW 13 | WNW 12 | SW 16 |
| kJ | 211 | 252 | 49 | 260 | 323 | 312 | 243 | 302 | 291 | 355 | 360 | 291 | 295 | 295 | 298 | 291 | 271 | 258 | 198 | 231 | 242 | 261 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | S 9 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | S 13 | S 13 | SSW 13 | SSW 12 | WNW 9 | SSW 12 | WNW 15 | WNW 15 | WNW 14 | SW 16 | SW 16 | SW 16 | S 11 |
| kJ | 50 | 29 | 2 | 29 | 29 | 29 | 29 | 31 | 33 | 53 | 52 | 32 | 29 | 73 | 28 | 89 | 121 | 145 | 258 | 261 | 261 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | NW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 236 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 22 | 51 | 49 | 51 | 51 | 23 | 41 | 22 | 28 | 142 | 396 | 51 | 39 | 39 | 39 | 0 | 22 | 30 | 58 | 126 | 15 | 28 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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