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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 am Wednesday 13 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
14.3° C
(Which is 2.2°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 5PM is: 1.1m 11s primary swell from a West direction and 0.5m 13s secondary swell from a Southwest direction, 1.5m 6s secondary swell from a West-northwest direction (forecast issued at 10:00am May 13). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 3ft (0.9m) | 12s |
| Afternoon (13 May) | 3.5ft (1.1m) | 11s |
| Evening (13 May) | 3.5ft (1.1m) | 12s |
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 14°C on Fri morning, min 10°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the NW by Fri night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 11 | W 11 | W 11 | W 12 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | |
224 | 248 | 244 | 305 | 333 | 372 | 318 | 306 | 338 | 313 | 320 | 445 | 711 | 963 | 984 | 949 | 770 | 1020 | 675 | 907 | 1211 | 1352 | 1513 | 2021 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:51AM1.90m | 8:47PM2.46m | 9:53AM1.95m | 9:22PM2.60m | 10:52AM2.00m | 10:00PM2.70m | ||||||||||||||||||
Low Tide | 2:25PM0.93m | 3:37AM0.45m | 3:08PM1.04m | 4:23AM0.20m | 3:53PM1.15m | |||||||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 |
 | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | 8:13 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 13 | 12 | 12 | 11 | 12 | 11 | 11 | 12 | 14 | 13 | 13 | 12 | 11 | 11 | 11 |
9 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 9 | 11 | 8 | 7 | 7 | 8 | 7 | 8 | 8 | 10 | 7 | 7 | 5 | 4 | 4 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 11 | W 12 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 11 | SSW 16 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | W 15 | WNW 10 |
 kJ | 224 | 248 | 244 | 305 | 333 | 336 | 318 | 306 | 338 | 313 | 143 | 173 | 711 | 963 | 984 | 949 | 770 | 666 | 148 | 146 | 146 | 148 | 161 | 1376 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | W 12 | W 12 | W 11 | W 11 | W 11 | SSW 16 | — | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | W 17 | W 16 | W 16 | W 16 | SSW 15 | W 15 |
| kJ | 97 | 92 | 89 | 88 | 88 | 276 | 220 | 244 | 188 | 151 | 173 | — | 173 | 169 | 166 | 162 | 156 | 152 | 49 | 82 | 81 | 119 | 152 | 153 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SSW 19 | SW 18 | SW 18 | SW 18 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 16 | — | — | W 20 | W 20 | W 19 | W 18 | W 18 | W 18 | — | — | — | — | — | SSW 15 |
| kJ | 15 | 37 | 51 | 80 | 80 | 88 | 88 | 45 | 45 | 179 | — | — | 8 | 7 | 7 | 25 | 25 | 25 | — | — | — | — | — | 158 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | NW 7 | — | — | — | — | WNW 9 | WNW 8 | WNW 8 | — | — | — | — | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 |
| kJ | 47 | 60 | 87 | 181 | 271 | 372 | — | — | — | — | 320 | 445 | 587 | — | — | — | — | 1020 | 675 | 907 | 1211 | 1352 | 1513 | 2021 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 80 | 81 | 83 | 81 | 24 | 8 | 0 | 27 | 27 | 81 | 81 | 79 | 27 | 27 | 18 | 27 | 27 | 81 | 80 | 80 | 79 | 79 | 79 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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