Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Chadbourne Gulch surfForecast / CAL – Mendocino County / USA
48hr Weather and Surf, issued 9 am Thursday 18 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Chadbourne Gulch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chadbourne Gulch sea temperature is
12.8° C
(Which is slightly warmer than usual)How big are the waves at Chadbourne Gulch today?
The current surf forecast for Chadbourne Gulch at 4PM is: 1.8m 10s primary swell from a West-northwest direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 09:00am December 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 6ft (1.9m) | 10s |
| Afternoon (18 Dec) | 6ft (1.9m) | 10s |
| Evening (18 Dec) | 7ft (2.1m) | 10s |
Table - waves today at Chadbourne Gulch. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 774 | 785 | 834 | 721 | 492 | 925 | 1051 | 1316 | 1916 | 2213 | 2195 | 1405 | 1130 | 917 | 860 | 1058 | 940 | 805 | 792 | 765 | 713 | 701 | 652 | 611 |
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 | cross- on | on | cross- on | glass | cross- on | glass | glass | glass | glass | glass | off | glass | glass | off | glass |
High Tide / height (m) | 9:12AM 1.88 | 11:48PM 1.31 | 9:47AM 1.89 | 12:24AM 1.34 | 10:23AM 1.89 | 1:01AM 1.36 | ||||||||||||||||||
Low Tide / height (m) | 4:30PM -0.12 | 3:34AM 1.01 | 5:05PM -0.15 | 4:13AM 1.02 | 5:41PM -0.17 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 7:30 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - |
 |  | |  |  | |  | |  |  |  | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 1 | 10 | 14 | 8 | - | - | - | - | - | - | - | 1 | - | - | 5 | 4 | - |
| Temp. °C | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 13 | 12 | 13 | 13 | 13 | 14 | 14 |
| Feels °C (?) | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 11 | 9 | 12 | 13 | 13 | 13 | 11 | 10 | 10 | 10 | 13 | 12 | 12 | 12 | 13 | 14 | 14 |
- 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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