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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 Saturday 18 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
14.5° C
(Which is 2.4°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 3AM is: 0.5m 14s primary swell from a Southwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 10:00pm April 18). The wind direction is predicted to be glassy.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 1.5ft (0.5m) | 14s |
| Afternoon (19 Apr) | 1.5ft (0.5m) | 14s |
| Evening (19 Apr) | 1.5ft (0.5m) | 13s |
Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 8 | 8 | 8 | 15 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 103 | 102 | 100 | 96 | 95 | 95 | 93 | 89 | 88 | 87 | 87 | 108 | 102 | 94 | 157 | 356 | 530 | 746 | 647 | 555 | 472 | 377 | 364 | 302 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | glass | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on |
High Tide / height (m) | 11:55PM 2.66 | 1:45PM 2.02 | 12:39AM 2.64 | 2:50PM 1.97 | 1:29AM 2.56 | 4:01PM 1.93 | ||||||||||||||||||
Low Tide / height (m) | 5:52PM 1.14 | 7:03AM 0.04 | 6:37PM 1.27 | 7:58AM 0.05 | 7:29PM 1.38 | 8:57AM 0.11 | ||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:49 | - | - | - | - | - | - | - | 7:50 |
 | | | |  |  | | |  | | |  | | |  | |  | |  | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 4 | 4 | 1 | - | 2 | 4 | 1 | 1 |
| Temp. °C | 13 | 12 | 12 | 12 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 14 | 14 |
| Feels °C (?) | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 7 | 8 | 8 | 8 | 11 | 9 | 9 | 9 | 10 | 8 | 7 | 8 | 9 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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