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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 4 am Saturday 09 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
15.0° C
(Which is 2.9°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 9AM is: 1.3m 8s primary swell from a West-northwest direction and 0.4m 15s secondary swell from a West direction (forecast issued at 04:00am May 09). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 4.5ft (1.3m) | 8s |
| Afternoon (09 May) | 4.5ft (1.3m) | 7s |
| Evening (09 May) | 5.5ft (1.7m) | 8s |
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 16°C on Mon afternoon, min 11°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | |
270 | 226 | 186 | 287 | 148 | 163 | 339 | 430 | 297 | 243 | 255 | 240 | 367 | 389 | 389 | 450 | 445 | 436 | 406 | 391 | 399 | 385 | 400 | 350 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | glassy | glassy | cross-on | cross-on | on | on | glassy | |
High Tide | 4:03AM1.94m | 6:51PM1.98m | 5:17AM1.87m | 7:21PM2.07m | 6:33AM1.84m | 7:48PM2.19m | ||||||||||||||||||
Low Tide | 11:03PM1.58m | 11:30AM0.61m | 00:17AM1.46m | 12:17PM0.67m | 1:17AM1.27m | 1:00PM0.74m | ||||||||||||||||||
 | |  | | | | |  | | |  | | |  | |  | | | | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 11 | 11 | 11 | 11 | 12 | 15 | 16 | 15 | 13 | 12 |
8 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 14 | 14 | 13 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 9 | W 9 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 |
 kJ | 270 | 226 | 186 | 181 | 60 | 106 | 339 | 263 | 214 | 132 | 250 | 214 | 367 | 389 | 389 | 450 | 445 | 436 | 406 | 391 | 399 | 385 | 400 | 350 |
Swell 2 Height (m) Direction Period (s) | SW 18 | W 15 | W 15 | SW 20 | W 14 | W 14 | W 14 | W 8 | W 8 | W 8 | W 12 | W 11 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 80 | 72 | 69 | 186 | 102 | 100 | 92 | 115 | 112 | 82 | 177 | 240 | 155 | 154 | 154 | 243 | 230 | 206 | 171 | 171 | 206 | 206 | 206 | 203 |
Swell 3 Height (m) Direction Period (s) | W 16 | SW 18 | SW 19 | W 14 | SW 20 | SW 16 | SW 16 | W 13 | W 12 | W 12 | SW 18 | SSW 18 | SW 14 | SW 14 | SW 15 | SW 14 | SW 11 | — | — | — | S 16 | — | — | S 15 |
| kJ | 77 | 80 | 89 | 66 | 98 | 88 | 124 | 123 | 110 | 143 | 255 | 211 | 29 | 54 | 75 | 53 | 5 | — | — | — | 5 | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 8 | WNW 7 | WNW 7 | — | WNW 8 | WNW 7 | WNW 7 | — | — | WNW 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 287 | 148 | 163 | — | 430 | 297 | 243 | — | — | 318 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 5 | 27 | 81 | 80 | 79 | 27 | 27 | 27 | 27 | 27 | 27 | 81 | 27 | 8 | 27 | 0 | 0 | 3 | 27 | 27 | 27 | 0 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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