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Surf Forecasts:
Gray Whale Cove surfForecast / CAL – San Mateo / USA
48hr Weather and Surf, issued 3 am Thursday 11 Dec 2025 PSTForecast 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
13.1° C
(Which is 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 8AM is: 1.6m 14s primary swell from a West direction and 0.2m 15s secondary swell from a South-southwest direction (forecast issued at 03:00am December 11). The wind direction is predicted to be cross-offshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 5ft (1.6m) | 14s |
| Afternoon (11 Dec) | 5.5ft (1.7m) | 16s |
| Evening (11 Dec) | 5ft (1.6m) | 15s |
Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 822 | 938 | 1004 | 1077 | 1386 | 1440 | 1241 | 1193 | 1102 | 944 | 931 | 791 | 725 | 591 | 498 | 490 | 402 | 309 | 294 | 232 | 228 | 179 | 169 | 184 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | glass | glass | glass | glass |
High Tide / height (m) | 4:25AM 2.20 | 3:47PM 1.85 | 5:09AM 2.25 | 5:10PM 1.72 | 5:49AM 2.29 | 6:32PM 1.68 | ||||||||||||||||||
Low Tide / height (m) | 10:29AM 1.20 | 10:13PM 0.70 | 11:41AM 1.04 | 11:01PM 0.90 | 12:42PM 0.86 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 14 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 18 | 19 | 17 | 16 | 15 | 14 | 14 | 15 | 17 | 18 | 17 | 16 |
| Feels °C (?) | 8 | 8 | 8 | 9 | 12 | 14 | 13 | 12 | 12 | 11 | 10 | 11 | 15 | 16 | 14 | 13 | 12 | 11 | 10 | 12 | 15 | 16 | 15 | 13 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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