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Gray Whale Cove Surf Forecast
/ CAL – San Mateo (15 breaks) / California (404 breaks) /
Surf Forecasts:
Gray Whale Cove surfForecast / CAL – San Mateo / USA
48hr Weather and Surf, issued 10 pm Thursday 21 May 2026 PDTForecast update in hr min s Forecast update imminent
Gray Whale Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gray Whale Cove sea temperature is
13.5° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Gray Whale Cove today?
The current surf forecast for Gray Whale Cove at 2AM is: 1.2m 10s primary swell from a West-northwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 10:00pm May 21). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 3.5ft (1.1m) | 10s |
| Afternoon (22 May) | 3.5ft (1.1m) | 10s |
| Evening (22 May) | 3.5ft (1.1m) | 10s |
Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Fri afternoon, min 10°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 15 | |
308 | 302 | 296 | 279 | 227 | 223 | 223 | 223 | 227 | 223 | 186 | 218 | 183 | 179 | 203 | 203 | 203 | 203 | 203 | 203 | 166 | 121 | 162 | 150 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 3:23AM2.24m | 5:38PM2.15m | 4:38AM2.06m | 6:27PM2.23m | 5:58AM1.91m | |||||||||||||||||||
Low Tide | 9:51PM1.40m | 10:34AM0.31m | 11:14PM1.30m | 11:28AM0.48m | 00:31AM1.14m | 12:20PM0.66m | ||||||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | 8:16 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | 8:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 |
8 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
 kJ | 308 | 302 | 296 | 279 | 227 | 223 | 223 | 223 | 227 | 223 | 186 | 218 | 183 | 179 | 179 | 151 | 160 | 109 | 128 | 100 | 98 | 92 | 66 | 66 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 15 |
| kJ | 82 | 82 | 78 | 54 | 109 | 109 | 109 | 77 | 75 | 77 | 107 | 115 | 122 | 169 | 203 | 203 | 203 | 203 | 203 | 203 | 166 | 121 | 162 | 150 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | S 12 | SW 18 | SW 15 | SW 14 | SW 14 | SW 18 | SW 18 | S 12 | S 12 | SW 23 | SW 22 | SW 22 | SW 21 | SW 21 | SW 21 | SW 21 | SW 21 | W 18 | W 18 | W 17 | W 16 | WNW 16 |
| kJ | 15 | 15 | 11 | 49 | 75 | 54 | 54 | 80 | 49 | 12 | 11 | 20 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 25 | 55 | 53 | 132 | 86 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSE 2 | SSE 2 | S 3 | S 3 | SSW 3 | SSW 3 | SSW 3 | SSW 3 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 2 | 2 | 2 | 69 | 69 | 2 | 2 | 2 | 2 | 27 | 100 | 100 | 69 | 2 | 2 | 2 | 2 | 2 | 100 | 69 | 117 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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