Bill's Bowls surfForecast / CAL – Sonoma / USA

information circle12 Day Weather and Surf, issued 10 pm Friday 20 Jun 2025 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
10.3° C
(Which is 2.3°C colder than average 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 22) at 5AM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 1.6m and 9s. Another secondary swell of 0.5m and 16s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Bill's Bowls in the next 12 days are 3.0m 9s and forecast to arrive on Sunday (Jun 22) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 16s period and expected on Saturday (Jun 21) at 8AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 22nd Jun)8ft (2.5m) 9s
Best Surf 5AM (Sun 22nd Jun)8ft (2.5m) 9s
Most Powerful 2AM (Sun 22nd Jun)10ft (3.0m) 9s

Table - best surf conditions forecast for Bill's Bowls over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Wed
02
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
WNW
1.3
WNW
2.1
WNW
3
NW
1.9
WNW
1.6
WNW
1.9
WNW
1
WNW
1.7
WNW
1.3
WNW
1.5
WNW
1
WNW
1.1
WNW
1.2
WNW
1.4
WNW
2.5
WNW
1.4
WNW
2
WNW
2.2
WNW
1.3
WNW
2
WNW
1.3
WNW
0.6
SW
1.6
WNW
2.1
WNW
1.2
WNW
1.4
WNW
2.2
WNW
1.3
WNW
1.7
WNW
1.2
WNW
1.3
WNW
1.7
WNW
1.2
WNW
0.4
SW
1.7
WNW
Period(s) (?)6889888889811888887899915881099977866186
Wave
Graph
(?)Metric surfscale
Energy (?)27922950919868133756831886032374204221911903341130451590122543510844633344738033624371096287258235232338229178343
Wind
(km/h)
25
NW
30
NW
35
NW
20
NNW
20
WNW
30
WNW
10
N
10
W
20
WNW
10
NNW
15
WNW
25
WNW
5
NNW
10
W
35
NW
25
NW
25
NW
35
NW
15
NNW
20
WNW
30
WNW
10
NNW
15
WNW
30
WNW
15
NNW
20
WNW
25
WNW
15
NNW
20
WNW
35
NW
15
NNW
25
WNW
30
NW
15
NW
20
WNW
25
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crossoncross-
on
cross-
on
oncross-
on
crossoncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
8:39AM
1.15
7:42PM
1.93
9:53AM
1.24
8:28PM
2.01
10:56AM
1.33
9:16PM
2.05
11:51AM
1.39
10:06PM
2.06
12:41PM
1.44
10:56PM
2.02
1:28PM
1.46
11:46PM
1.95
2:13PM
1.47
12:36AM
1.83
2:56PM
1.48
1:26AM
1.67
3:39PM
1.49
2:18AM
1.49
4:19PM
1.51
3:16AM
1.30
4:58PM
1.54
4:28AM
1.14
5:35PM
1.57
Low Tide
/ height (m)
2:14AM
0.03
1:25PM
0.65
3:08AM
-0.18
2:23PM
0.78
3:59AM
-0.34
3:20PM
0.87
4:48AM
-0.44
4:17PM
0.91
5:37AM
-0.48
5:13PM
0.91
6:24AM
-0.47
6:09PM
0.89
7:10AM
-0.41
7:06PM
0.86
7:55AM
-0.31
8:06PM
0.83
8:38AM
-0.18
9:09PM
0.78
9:21AM
-0.02
10:16PM
0.71
10:04AM
0.16
11:25PM
0.61
10:48AM
0.36
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Wed
02
Sunrise-5:48--5:48--5:48--5:48--5:50--5:50--5:50--5:50--5:50--5:52--5:52--5:52-
Sunset--8:39--8:39--8:40--8:40--8:40--8:40--8:40--8:40--8:40--8:40--8:40--8:40
clearclearclearclearclearclearclearclearpart cloudpart cloudclearpart cloudclearclearclearclearclearclearclearclearclearclearclearpart cloudclearclearpart cloudclearclearpart cloudclearclearclearclearpart cloudpart cloud
Rain (mm)
------------------------------------
Temp. °C131718151717141818151718171722181921171820171819161717131719171920171818
Feels °C (?)71010913119171411141513151614151512141512161411141381415131414131515

Short Range Forecast: Mostly dry. Very mild (max 18°C on Sat afternoon, min 8°C on Sat night). Winds decreasing (strong winds from the WNW on Sat afternoon, calm by Mon morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Wed afternoon, min 11°C on Mon night). Winds increasing (calm on Wed morning, fresh winds from the NW by Thu afternoon).

Days 6-9 Weather Summary Mostly dry. Warm (max 20°C on Fri afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the NW by Sat morning).

Long Range Forecast: Mostly dry. Warm (max 20°C on Tue afternoon, min 10°C on Sun night). Mainly fresh winds.

  • 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 12 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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