Surf Forecasts:
How big are the waves at Gray Whale Cove today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.7m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2.5ft (0.7m), 17s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 17s period with SW swell.
The current surf forecast for Gray Whale Cove at 1PM is: 0.7m 17s primary swell from a Southwest direction and 0.9m 7s secondary swell from a West-northwest direction (forecast issued at 10:00am September 21). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.7m) | 17s |
| Afternoon (21 Sep) | 2.5ft (0.7m) | 17s |
| Evening (21 Sep) | 2.5ft (0.8m) | 17s |
Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||
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) | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 287 | 283 | 283 | 283 | 346 | 346 | 346 | 280 | 260 | 251 | 248 | 274 | 270 | 675 | 705 | 633 | 561 | 424 | 443 | 502 | 410 | 411 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross | cross-on | cross | cross-on | on | on | cross-on | on | on | cross-on | glassy | glassy | cross-on | cross-on | cross-on | on |
High Tide | 8:59AM1.89m | 7:34PM2.12m | 9:27AM1.97m | 8:25PM2.17m | 9:52AM2.05m | 9:12PM2.21m | ||||||||||||||||
Low Tide | 1:56PM1.41m | 2:41AM0.52m | 2:42PM1.29m | 3:16AM0.50m | 3:24PM1.13m | |||||||||||||||||
 |  | | |  | | | | |  | | | | | |  | | | | | | | |
 | 6:56 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 14 | 14 | 13 | 14 | 13 | 13 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 17 | 20 | 17 | 15 | 14 |
Feels °C | 12 | 12 | 13 | 12 | 13 | 11 | 13 | 12 | 12 | 14 | 13 | 11 | 12 | 13 | 12 | 13 | 14 | 17 | 18 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 81 | 81 | 81 | 81 | 74 | 84 | 190 | 202 | 192 | 188 | 188 | 183 | 270 | 675 | 705 | 633 | 561 | 424 | 443 | 502 | 410 | 411 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 287 | 283 | 283 | 283 | 346 | 346 | 346 | 280 | 260 | 251 | 248 | 251 | 251 | 251 | 251 | 203 | 203 | 198 | 183 | 176 | 174 | 171 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | — | — | SSW 13 | WNW 9 | WNW 9 | WNW 16 | WNW 15 | W 14 | W 14 | W 13 | W 13 | WNW 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 13 |
| kJ | 33 | — | — | 32 | 32 | 45 | 25 | 74 | 107 | 132 | 125 | 156 | 155 | 10 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 29 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 274 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 40 | 27 | 27 | 27 | 81 | 81 | 64 | 64 | 2 | 2 | 2 | 27 | 27 | 81 | 27 | 27 | 27 | 0 | 0 | 0 | 27 | 27 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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