Surf Forecasts:
How big are the waves at Gray Whale Cove today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.7m), 18s period with SW swell.
The current surf forecast for Gray Whale Cove at 2AM is: 0.6m 18s primary swell from a Southwest direction and 1.3m 7s secondary swell from a West-northwest direction (forecast issued at 10:00pm September 19). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2ft (0.6m) | 18s |
| Afternoon (20 Sep) | 2ft (0.6m) | 18s |
| Evening (20 Sep) | 2.5ft (0.7m) | 18s |
Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Tue afternoon, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 19 | Sunday 20 | Monday 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) | NW 7 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 268 | 234 | 197 | 199 | 199 | 199 | 203 | 339 | 314 | 304 | 297 | 293 | 287 | 283 | 283 | 283 | 346 | 346 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | on | on | on |
High Tide | 5:29PM2.04m | 8:24AM1.82m | 6:36PM2.07m | 8:59AM1.89m | 7:34PM2.12m | |||||||||||||
Low Tide | 1:10AM0.63m | 1:00PM1.50m | 2:00AM0.57m | 1:56PM1.41m | ||||||||||||||
 |  | | |  | | | | | | | |  | | | | | | |
 | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 10 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 9 |
| kJ | 188 | 234 | 193 | 148 | 153 | 134 | 125 | 125 | 121 | 118 | 131 | 125 | 125 | 128 | 110 | 107 | 59 | 180 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 |
| kJ | 194 | 197 | 197 | 199 | 199 | 199 | 203 | 339 | 314 | 304 | 297 | 293 | 287 | 283 | 283 | 283 | 346 | 346 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | — | — | SSW 13 | WNW 9 | W 17 |
| kJ | 44 | 44 | 42 | 24 | 15 | 29 | 14 | 14 | 14 | 14 | 15 | 15 | 33 | — | — | 32 | 45 | 6 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | — | — | — | — | — | WNW 7 | WNW 7 | WNW 7 | — | — | — | — | — | — | — | — |
| kJ | 268 | — | — | — | — | — | — | 183 | 183 | 178 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 79 | 27 | 27 | 27 | 27 | 27 | 27 | 40 | 80 | 27 | 40 | 27 | 27 | 27 | 64 | 81 | 40 | 64 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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