Surf Forecasts:
How big are the waves at Gray Whale Cove today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 12s period with SSW swell.
The current surf forecast for Gray Whale Cove at 9AM is: 0.9m 14s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a Northwest direction (forecast issued at 04:00am July 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3ft (0.9m) | 14s |
| Afternoon (21 Jul) | 3ft (0.9m) | 14s |
| Evening (21 Jul) | 3ft (0.9m) | 12s |
Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 20°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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 | 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 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 12 | SSW 11 | SSW 10 | SSW 10 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 | SW 26 | SW 26 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 251 | 123 | 290 | 299 | 312 | 316 | 214 | 269 | 230 | 194 | 214 | 242 | 178 | 197 | 158 | 206 | 211 | 211 | 208 | 203 | 168 | 158 | 237 | 329 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:21AM1.68m | 5:18PM2.28m | 6:52AM1.62m | 6:04PM2.27m | 8:16AM1.65m | 6:52PM2.27m | ||||||||||||||||||
Low Tide | 11:26PM0.84m | 10:37AM1.10m | 00:33AM0.75m | 11:29AM1.27m | 1:34AM0.64m | 12:29PM1.39m | ||||||||||||||||||
 | |  |  |  | | |  | | | | | | | | | | |  | | | | |  | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:25 | — | — | — | — | — | — | — | 8:25 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 18 | 20 | 19 | 18 | 18 | 18 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 12 | 11 | 11 | 13 | 12 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | SSW 12 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 251 | 123 | 290 | 299 | 312 | 316 | 161 | 269 | 230 | 194 | 214 | 180 | 160 | 125 | 95 | 72 | 68 | 211 | 208 | 203 | 168 | 158 | 156 | 156 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 9 | SW 14 | SW 15 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 7 | WSW 6 | WSW 6 | NW 10 | WNW 10 | SW 26 | SW 26 |
| kJ | 46 | 45 | 33 | 33 | 26 | 30 | 214 | 112 | 146 | 150 | 188 | 242 | 178 | 197 | 158 | 206 | 211 | 35 | 20 | 26 | 28 | 21 | 237 | 329 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | W 13 | W 13 | W 13 | W 13 | WNW 9 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | W 12 | WNW 12 | WNW 12 | WNW 12 | S 7 | SSW 7 | NW 11 | S 7 | SW 26 | NW 10 | WNW 10 |
| kJ | 37 | 63 | 30 | 30 | 30 | 30 | 30 | 25 | 17 | 16 | 10 | 10 | 10 | 25 | 27 | 26 | 26 | 28 | 18 | 29 | 8 | 106 | 26 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 3 | SSW 3 | S 4 | — | — | — | — | — | — | — | — | — | — | W 6 | W 5 | W 5 | WNW 5 |
| kJ | — | — | — | — | — | — | — | 3 | 4 | 8 | — | — | — | — | — | — | — | — | — | — | 30 | 37 | 42 | 51 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 0 | 0 | 2 | 2 | 2 | 2 | 58 | 27 | 27 | 27 | 58 | 69 | 138 | 40 | 40 | 47 | 47 | 47 | 83 | 83 | 80 | 79 | 47 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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