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Bill's Bowls surfForecast / CAL – Sonoma / USA
48hr Weather and Surf, issued 10 am Monday 20 Apr 2026 PDTForecast update in hr min s Forecast update imminent
Bill's Bowls surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bill's Bowls sea temperature is
12.1° C
(Which is normal for this time of year)How big are the waves at Bill's Bowls today?
The current surf forecast for Bill's Bowls at 5PM is: 1.4m 12s primary swell from a West-northwest direction (forecast issued at 10:00am April 20). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 4.5ft (1.4m) | 6s |
| Afternoon (20 Apr) | 3ft (0.9m) | 14s |
| Evening (20 Apr) | 5ft (1.5m) | 12s |
Table - waves today at Bill's Bowls. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 15 | 15 | 15 | 15 | 9 | 8 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 105 | 174 | 322 | 567 | 761 | 661 | 579 | 480 | 384 | 307 | 289 | 238 | 214 | 198 | 163 | 125 | 112 | 110 | 155 | 167 | 269 | 246 | 207 | 210 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | off | cross- off | off | cross- off | cross- off | cross- off | cross | cross- on | on | on | cross- on | cross- on | glass | glass | cross- off | cross- on | on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 2:58PM 1.31 | 1:23AM 1.83 | 4:08PM 1.28 | 2:20AM 1.73 | 5:19PM 1.29 | 3:27AM 1.61 | ||||||||||||||||||
Low Tide / height (m) | 7:52AM -0.38 | 7:34PM 0.84 | 8:50AM -0.34 | 8:38PM 0.91 | 9:54AM -0.25 | 10:01PM 0.92 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:53 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:55 | - | - | - | - |
 | | | |  | | |  |  | | |  | |  | | |  | |  | |  | | | | |
Rain (mm) | 6 | 6 | 8 | 7 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | - | 1 | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 14 | 13 | 11 | 10 | 10 | 10 | 11 | 12 | 13 | 13 | 11 | 9 | 9 | 8 |
| Feels °C (?) | 8 | 7 | 10 | 10 | 9 | 9 | 8 | 8 | 10 | 11 | 11 | 9 | 8 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 8 | 6 | 7 | 5 |
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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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