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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 pm Thursday 23 Apr 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
14.6° C
(Which is 2.6°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 1AM is: 1.3m 7s primary swell from a West-northwest direction and 1.1m 7s secondary swell from a West-northwest direction, 0.7m 13s secondary swell from a West direction (forecast issued at 04:00pm April 23). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 2ft (0.6m) | 12s |
| Afternoon (24 Apr) | 3ft (0.9m) | 8s |
| Evening (24 Apr) | 3ft (0.9m) | 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 15°C on Thu afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 8 AM | 11 AM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
WNW 13 | W 13 | WNW 8 | WNW 7 | W 13 | WNW 7 | W 12 | W 12 | WNW 8 | WNW 8 | WNW 8 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | W 15 | W 15 | W 14 | W 15 | W 16 | W 16 | W 16 | W 16 | |
539 | 225 | 192 | 166 | 158 | 112 | 108 | 106 | 113 | 99 | 101 | 237 | 217 | 214 | 167 | 167 | 67 | 104 | 103 | 113 | 124 | 178 | 176 | 170 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross | cross | on | |
High Tide | 6:19PM2.00m | 4:54AM2.17m | 7:14PM2.09m | 6:14AM2.09m | 7:58PM2.19m | 7:29AM2.04m | ||||||||||||||||||
Low Tide | 11:06AM0.30m | 11:21PM1.45m | 12:10PM0.39m | 00:44AM1.31m | 1:06PM0.48m | 1:52AM1.12m | ||||||||||||||||||
 | |  |  | | |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — |
 | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:53 | — | — | — | — | — | 7:54 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 13 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
12 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | W 13 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 6 | W 15 | W 14 | W 15 | W 9 | W 16 | W 16 | W 5 |
 kJ | 539 | 225 | 91 | 108 | 117 | 111 | 96 | 93 | 113 | 99 | 101 | 237 | 217 | 214 | 167 | 167 | 25 | 104 | 103 | 113 | 60 | 178 | 176 | 18 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | SSW 14 | SW 14 | W 15 | W 15 | W 15 | WNW 11 | WNW 11 | NW 10 | SSW 13 | W 16 | W 5 | W 5 | W 16 |
| kJ | 100 | 146 | 171 | 166 | 158 | 112 | 108 | 106 | 104 | 72 | 71 | 82 | 52 | 72 | 69 | 67 | 46 | 45 | 28 | 34 | 124 | 10 | 16 | 170 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | W 16 | W 16 | SSW 14 | SSW 13 | SSW 13 | W 15 | SSW 13 | SSW 13 | NW 9 | SSW 13 | NW 9 | NW 8 | NW 8 |
| kJ | 12 | 12 | 100 | 100 | 95 | 56 | 42 | 84 | 84 | 84 | 84 | 80 | 78 | 36 | 35 | 35 | 67 | 34 | 34 | 22 | 34 | 22 | 18 | 17 |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | W 5 | W 5 | — | — | — | — |
| kJ | 177 | 110 | 192 | 163 | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 20 | 12 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 81 | 81 | 81 | 70 | 27 | 27 | 27 | 27 | 81 | 81 | 80 | 70 | 55 | 40 | 40 | 81 | 81 | 81 | 80 | 80 | 80 | 2 | 27 | 27 |
Best forecast wave conditions in San Mateo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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