The Fort surfForecast / CAL – Sonoma / USA

information circle12 Day Weather and Surf, issued 3 am Wednesday 31 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
13.0° 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 Wednesday (Dec 31) at 7AM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.2m 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 3.5m 11s and forecast to arrive on Sunday (Jan 04) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Thursday (Jan 01) at 1AM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 31st Dec)3.5ft (1.1m) 12s
Best Surf 1AM (Tue 6th Jan)6ft (1.8m) 9s
Most Powerful 4AM (Sun 4th Jan)11ft (3.5m) 11s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 43mm), heaviest during Fri night. Very mild (max 14°C on Fri morning, min 10°C on Wed morning). Winds increasing (light winds from the E on Wed morning, fresh winds from the SE by Fri night).

Days 3-6 Weather Summary Heavy rain (total 91mm), heaviest during Sun night. Very mild (max 14°C on Sat afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the SSE on Sat morning, light winds from the SW by Mon morning).

Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
1
1
2
0
1
0
0
1
0
2
0
0
2
1
2
3
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
W
1.1
W
1.1
W
1
W
1
W
0.9
WNW
1.5
S
1.6
S
3.5
SSW
2.5
SSW
2.5
SSW
3.5
SW
3
SW
2.1
WSW
3
SW
2.4
SW
2.5
SW
1.8
SW
1.3
SW
0.9
SW
1.3
S
Period(s) (?)1212111211116710991110108999888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3393223112762481981842672156961118325151639838118090193745419895193
Wind
(km/h)
5
E
10
E
15
ENE
20
ESE
15
ESE
20
SE
20
ESE
30
SE
25
S
30
SSE
25
SSE
20
SSE
20
SSE
30
SSE
20
SSE
15
WSW
15
SSE
15
ESE
20
E
20
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
crosscross-
on
crosscrosscrosscross-
on
cross-
on
crosscross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
9:34PM
1.35
7:50AM
2.06
10:26PM
1.43
8:43AM
2.10
11:13PM
1.48
9:35AM
2.08
11:57PM
1.51
10:26AM
2.02
12:39AM
1.54
11:17AM
1.91
1:21AM
1.55
12:07PM
1.75
2:01AM
1.57
Low Tide
/ height (m)
2:33PM
-0.29
1:56AM
0.92
3:23PM
-0.41
2:54AM
0.92
4:11PM
-0.48
3:50AM
0.89
4:58PM
-0.49
4:46AM
0.84
5:44PM
-0.44
5:41AM
0.79
6:27PM
-0.34
6:38AM
0.74
7:09PM
-0.20
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Sunrise7:30--7:30--7:30--7:30--7:30--7:30--7:30--
Sunset-5:00--5:01--5:02--5:04--5:05--5:06--5:06-
light rain
mod rain
mod rain
light rain
light rain
rain showers
part cloud
light rain
rain showers
mod rain
rain showers
mod rain
heavy rain
thunderstorm
heavy rain
heavy rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
Rain (mm)
1710533-1136291742514311131422
Temp. °C121111111213141413131414131413111212121213
Feels °C (?)9987101010867101110811899898
  • 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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