The Fort surfForecast / CAL – Sonoma / USA

information circle12 Day Weather and Surf, issued 9 am Thursday 04 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
The Fort surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Fort sea temperature is
13.4° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for The Fort this week:

The surf forecast for The Fort over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 04) at 7PM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.3m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Fort in the next 12 days are 2.0m 16s and forecast to arrive on Thursday (Dec 11) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Thu 4th Dec)3ft (0.9m) 12s
Best Surf 7PM (Wed 10th Dec)6ft (1.8m) 16s
Most Powerful 1AM (Thu 11th Dec)6.5ft (2.0m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 18°C on Sat morning, min 10°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Tue morning, min 11°C on Sun night). Wind will be generally light.

Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
2
1
0
2
2
0
2
1
0
1
1
0
1
2
0
2
1
2
4
Swell
Height Map
Wave Height (m) & direction (?)
1
W
0.9
WNW
0.9
WNW
0.8
W
0.8
W
0.9
W
0.7
W
1
W
1.1
W
1.1
WNW
0.9
WNW
0.9
WNW
0.8
WNW
0.6
WNW
0.9
WNW
1
WNW
1.2
WNW
1.2
WNW
1.3
WNW
1.2
WNW
2
WNW
Period(s) (?)131212121111141312121211111111131212141816
Wave
Graph
(?)Metric surfscale
Energy kJ (?)329248248177157191200355371361228205156882023124193616789191919
Wind
(km/h)
5
ENE
15
WNW
5
NNE
0
W
10
WNW
10
N
5
NW
20
NW
10
N
15
NW
20
NW
5
N
0
NW
20
NW
10
N
15
NNW
20
NW
15
NNW
20
NW
20
NW
15
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscrossglassglasscrosscross-
off
glasscrosscross-
off
crosscrosscross-
off
glasscrosscross-
off
cross-
off
crosscross-
off
crosscrosscross-
off
High Tide
/ height (m)
11:21PM
1.46
9:44AM
2.12
12:15AM
1.48
10:33AM
2.07
1:08AM
1.48
11:25AM
1.98
2:00AM
1.48
12:19PM
1.83
2:52AM
1.48
1:17PM
1.64
3:43AM
1.51
2:22PM
1.44
Low Tide
/ height (m)
4:20PM
-0.50
3:56AM
0.88
5:10PM
-0.53
4:49AM
0.92
6:00PM
-0.50
5:47AM
0.93
6:50PM
-0.41
6:50AM
0.92
7:42PM
-0.29
8:01AM
0.88
8:34PM
-0.13
9:18AM
0.81
9:27PM
0.03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Sunrise7:13--7:13--7:15--7:16--7:16--7:18--7:18--
Sunset-4:52--4:51--4:51--4:51--4:51--4:51--4:52-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C151211151512181713171612171714201814191813
Feels °C (?)1289131411141310131210141312161512151511
  • 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 The Fort Surf forecast

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

The Fort is 38 km (24 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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