Bill's Bowls surfForecast / CAL – Sonoma / USA

information circle16 Day Weather and Surf, issued 4 am Sunday 10 May 2026 PDT
Forecast 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
12.2° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Bill's Bowls this week:

The surf forecast for Bill's Bowls over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 11) at 5AM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 0.6m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Bill's Bowls in the next 16 days are 2.5m 9s and forecast to arrive on Sunday (May 17) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 16s period and expected on Monday (May 11) at 8PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 11th May)4.5ft (1.4m) 10s
Best Surf 5AM (Mon 11th May)4.5ft (1.4m) 10s
Most Powerful11AM (Sun 17th May)8ft (2.5m) 9s

Table - best surf conditions forecast for Bill's Bowls over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Sun afternoon, min 11°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 19°C on Fri morning, min 10°C on Wed night). Wind will be generally light.

Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
1
0
2
1
0
0
1
0
2
1
0
0
0
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
WNW
11
1.8
WNW
8
1.4
WNW
10
1.2
WNW
11
1.1
WNW
11
1.2
WNW
11
1.1
WNW
11
0.6
SW
15
0.6
SW
14
1
W
11
1.3
W
12
1.2
W
11
1
W
11
1
W
10
1
W
10
0.6
W
9
1.5
WNW
6
1.9
WNW
8
1.7
WNW
8
1.7
WNW
8
2.4
WNW
9
Wave Graph
Metric surfscale
Energy kJ
422
418
327
337
303
356
308
171
169
251
488
377
231
198
190
61
181
403
403
335
825
Wind (km/h)
20
WNW
25
NW
10
NNW
5
WSW
10
WNW
5
ESE
5
WSW
20
WNW
10
NW
10
S
10
W
0
ENE
10
WSW
25
WNW
15
NNW
15
NW
25
NW
15
NNW
25
WNW
30
NW
20
NNW
cross-on
cross-on
cross
on
cross-on
glassy
cross-on
cross-on
cross-on
cross
on
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:15PM1.37m
6:29AM1.20m
7:46PM1.47m
7:45AM1.20m
8:16PM1.59m
8:55AM1.24m
8:47PM1.71m
10:00AM1.29m
9:21PM1.83m
11:02AM1.34m
9:59PM1.92m
12:01PM1.37m
10:40PM1.98m
Low Tide
12:16PM0.09m
1:25AM0.63m
1:04PM0.16m
2:13AM0.41m
1:50PM0.25m
2:58AM0.18m
2:34PM0.37m
3:41AM-0.05m
3:17PM0.49m
4:25AM-0.26m
4:02PM0.62m
5:11AM-0.42m
4:48PM0.73m
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:03
6:03
6:01
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:13
8:13
8:14
8:15
8:15
8:16
8:17
4
Temp °C
17
20
15
18
18
17
17
17
14
14
14
12
14
14
14
19
19
15
17
18
14
13
15
12
17
17
16
16
15
10
13
13
11
12
10
9
15
14
11
13
13
9
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
11
0.5
SW
18
1.4
WNW
10
1.2
WNW
11
1.1
WNW
11
1.2
WNW
11
1.1
WNW
11
0.8
WNW
11
0.7
WNW
12
1
W
11
1.3
W
12
1.2
W
11
1
W
11
1
W
10
1
W
10
0.7
SW
15
0.7
SW
15
1.2
WNW
9
1.1
WNW
8
0.9
WNW
14
1.4
WNW
9
Energy kJ
422
154
327
337
303
356
308
156
145
251
488
377
231
198
190
232
223
203
164
261
295
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
18
0.4
SW
14
0.6
SW
15
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.6
SW
14
0.6
SSW
14
0.6
SSW
13
0.5
SW
13
0.5
SW
17
0.7
SW
16
0.7
SW
16
0.6
W
9
0.5
W
16
0.7
SW
15
0.8
WNW
14
0.7
SSW
14
0.9
WNW
13
Energy kJ
255
53
139
206
206
201
171
171
169
125
120
87
137
264
255
61
134
217
233
183
242
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
11
0.4
SW
18
0.1
S
11
0.1
S
11
0.6
W
5
0.5
W
14
0.3
SW
18
0.4
SW
18
0.4
SSW
13
0.2
S
12
0.1
S
10
0.3
WNW
17
0.1
S
10
0.6
WNW
15
0.7
SSW
14
0.1
SW
19
0.6
SSW
14
Energy kJ
5
111
2
2
15
93
50
80
67
11
2
59
2
172
183
15
138
Wind waves
Height (m)
Direction
Period (s)
1.4
NW
7
1.8
WNW
8
0.5
W
5
0.9
WNW
5
0.6
WNW
3
0.7
W
6
1.5
WNW
6
1.9
WNW
8
1.7
WNW
8
1.7
WNW
8
2.4
WNW
9
Energy kJ
183
418
13
39
8
35
181
403
403
335
825
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
3
3
2
2
2
2
3
3
2
3
2
1
2
2
3
3
2
4
Distance (km)
86
206
1
14
32
0
14
206
32
13
85
0
26
206
1
32
206
1
86
206
98
Best forecast wave conditions in Sonoma County
Rating
(10 max)
4
3
3
2
3
2
3
2
3
3
2
4
Best forecast wave conditions in United States
Rating
(10 max)
3
2
4
3
4
3
3
2
3
3
3
3
3
2
3
3
3
4
4
2
4
Header Global
Rating
(10 max)
5
6
5
4
5
9
9
9
9
7
5
5
5
6
6
5
5
4
4
5
5
  • 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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Information about the Bill's Bowls Surf forecast

The above surf forecast table for Bill's Bowls provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bill's Bowls can be found by selecting the local surf guide option on the grey menu. Our Bill's Bowls surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Bill's Bowls) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Bill's Bowls may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Bill's Bowls is 40 km (25 miles) from the city of Windsor. If you plan a vacation in Sonoma County, look for hotels and other accommodation in Windsor. Windsor has rooms for a wide range of budgets as well as car hire and transport links.

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