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Surf Forecasts:

Mystos surfForecast / CAL – Sonoma / USA

information circle12 Day Weather and Surf, issued 4 am Friday 10 Oct 2025 PDT
Forecast update in hr  min  s Forecast update imminent
Mystos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mystos sea temperature is
15.5° C
 (Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Mystos this week:

The surf forecast for Mystos over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 10) at 8PM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.7m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mystos in the next 12 days are 1.9m 8s and forecast to arrive on Monday (Oct 13) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Sunday (Oct 12) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 10th Oct)2ft (0.6m) 11s
Best Surf11PM (Sat 11th Oct)3.5ft (1.1m) 10s
Most Powerful 8AM (Mon 13th Oct)6ft (1.9m) 8s

Table - best surf conditions forecast for Mystos over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
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Short Range Forecast Some drizzle, heaviest during Fri afternoon. Very mild (max 18°C on Sun afternoon, min 10°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NW by Sun afternoon).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 16°C on Tue afternoon, min 11°C on Mon morning). Wind will be generally light.

Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
0
2
1
0
1
0
1
1
2
2
1
1
2
2
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
WNW
0.6
WNW
0.6
WNW
0.4
SW
1.2
W
1.1
WNW
1.2
WNW
1.5
WNW
1.4
WNW
1.4
WNW
0.4
SW
0.4
SW
0.9
WNW
0.9
WNW
0.6
WNW
0.5
WNW
0.9
WNW
0.9
WNW
0.6
W
0.5
W
0.6
WNW
Period(s) (?)1111111610108899161311111615109161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1057675852902451813133082936951202195198130129137186132169
Wind
(km/h)
15
SSE
10
SW
10
NNW
15
NW
25
NW
10
NNW
10
NW
30
NW
20
NNW
15
WNW
5
SSE
5
E
15
NNE
5
ENE
5
N
10
SSE
5
WSW
5
ENE
10
SSE
5
SW
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoncross-
off		crosscrosscross-
off		crosscrosscross-
off		cross-
on		glasscross-
off		offcross-
off		cross-
off		cross-
on		glassglasscross-
on		glasscross-
off
High Tide
/ height (m)
1:04PM
1.94
3:26AM
1.36
1:55PM
1.87
4:45AM
1.34
2:55PM
1.77
6:03AM
1.36
4:08PM
1.66
7:07AM
1.41
5:29PM
1.57
7:58AM
1.48
6:47PM
1.53
8:39AM
1.55
7:56PM
1.51
Low Tide
/ height (m)
8:21PM
-0.22
8:03AM
0.91
9:24PM
-0.16
9:13AM
1.01
10:36PM
-0.08
10:46AM
1.02
11:50PM
-0.02
12:17PM
0.93
12:58AM
0.01
1:30PM
0.79
1:54AM
0.05
2:28PM
0.62
2:40AM
0.10
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Sunrise7:16--7:16--7:18--7:18--7:20--7:20--7:22--
Sunset-6:42--6:40--6:38--6:37--6:36--6:35--6:32-
clear
rain showers
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
light rain
rain showers
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
Rain (mm)
-1--------323--------
Temp. °C161715161613161812151513141615161613171713
Feels °C (?)1316151311913128131413121413141413161613
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for CAL - Sonoma

  1. weather stationWind Update Continuing clean conditions at Mystos (calm at Cazadero 10 km from Mystos). 0.2m 14s groundswell from the SSW to make surfable waves.

    1 hour 27 minutes ago Mystos
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1 h 27 min ago

0 km/h
E
Clean
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mystos surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Mystos at:
surf-forecast.com

Information about the Mystos Surf forecast

The above surf forecast table for Mystos provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mystos can be found by selecting the local surf guide option on the grey menu. Our Mystos 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 (Mystos) 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 Mystos 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.

Mystos is 37 km (23 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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