Surf Forecasts:
How big are the waves at San Mateo today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 3ft (0.9m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 3ft (0.9m), 14s period with SW swell.
- Evening surf: Evening surf (20 Jun, local time) - 2.5ft (0.8m), 14s period with SW swell.
The current surf forecast for San Mateo at 9AM is: 0.9m 15s primary swell from a Southwest direction and 0.4m 20s secondary swell from a Southwest direction (forecast issued at 12:00am June 20). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 3ft (0.9m) | 15s |
| Afternoon (20 Jun) | 3ft (0.9m) | 14s |
| Evening (20 Jun) | 2.5ft (0.8m) | 14s |
Table - waves today at San Mateo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | SW 18 | SW 18 | SW 13 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 20 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 385 | 365 | 355 | 350 | 350 | 350 | 293 | 245 | 231 | 197 | 197 | 197 | 173 | 192 | 173 | 254 | 254 | 254 | 241 | 373 | 373 | 694 | 468 | 528 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross-off | glassy | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:50AM2.56m | 8:06PM2.26m | 8:43AM2.45m | 9:06PM2.13m | 9:37AM2.33m | |||||||||||||||||||
Low Tide | 1:24AM0.22m | 2:06PM0.49m | 2:17AM0.39m | 3:03PM0.56m | 3:12AM0.57m | 4:02PM0.62m | ||||||||||||||||||
 | |  | | |  | | | | |  | | | |  | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 27 | 26 | 28 | 26 | 26 | 26 | 26 | 25 | 27 | 29 | 29 | 26 | 26 | 27 | 27 | 26 | 28 | 30 | 28 | 28 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 7 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SSW 8 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 |
| kJ | 385 | 365 | 355 | 350 | 350 | 350 | 293 | 245 | 231 | 181 | 176 | 57 | 173 | 142 | 142 | 254 | 254 | 254 | 55 | 373 | 373 | 694 | 468 | 528 |
Swell 2 Height (m) Direction Period (s) | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 13 | SW 18 | SW 18 | SW 17 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SSW 6 | SSW 6 | SSW 6 |
| kJ | 62 | 136 | 134 | 134 | 97 | 97 | 127 | 159 | 199 | 197 | 197 | 176 | 154 | 192 | 173 | 108 | 83 | 80 | 208 | 208 | 264 | 31 | 22 | 22 |
Swell 3 Height (m) Direction Period (s) | SW 10 | SSW 10 | WNW 12 | SSW 10 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SW 8 | SW 18 | WNW 11 | NW 11 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SSW 7 | SSW 7 | SW 12 | SW 15 | SW 15 |
| kJ | 15 | 10 | 14 | 9 | 14 | 14 | 14 | 14 | 14 | 13 | 15 | 197 | 12 | 5 | 72 | 117 | 160 | 144 | 241 | 48 | 43 | 52 | 136 | 104 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SW 7 | SSW 6 | SSW 6 | SSW 6 | — | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SSW 8 | — | — | — | — | — | — |
| kJ | 56 | 56 | 51 | 52 | 71 | 74 | 76 | 63 | 52 | 52 | 37 | — | 54 | 52 | 54 | 59 | 80 | 56 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 141 | 7 | 7 | 7 | 938 | 1050 | 141 | 141 | 141 | 141 | 7 | 7 | 1054 | 1054 | 1050 | 141 | 7 | 7 | 0 | 0 | 141 | 815 | 141 | 141 |
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