The Fort Surf Break

Lat Long: 38.51° N 123.25° W

The Fort Surf Forecast and Surf Report

Issued: 4 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Fort sea temperature is
15.3° C
0.9° 

The Fort surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


The Fort surf forecast from 19 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 2AM (local time) - 5.5ft (1.7m), 7s period, NW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 11PM (local time) - 6ft (1.9m), 7s period, NW swell with 332 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 2AM (local time) - 2ft (0.6m), 16s period with SSW swell.

Best Forecast Surf Conditions for The Fort this week:

The surf forecast for The Fort over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 2AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.9m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at The Fort in the next 16 days are 1.9m 7s and forecast to arrive on Wednesday (Aug 19) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 19th Aug)2ft (0.6m) 16s
Best Surf 2AM (Thu 20th Aug)5.5ft (1.7m) 7s
Most Powerful11PM (Wed 19th Aug)6ft (1.9m) 7s

Table - best surf conditions forecast for The Fort over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s look at what The Fort has in store over the next couple weeks.

Honestly, it’s a rough patch. The Fort is a consistent reef break that likes swell from the SW, but this whole 16-day stretch is a struggle. The swell is small, and the wind just won’t cooperate.

We kick off Tuesday afternoon, August 18th, with a tiny 2ft SSW groundswell, period a long 16 seconds—classic long-period stuff, but it’s weak, with combined energy of only 352. The wind is a cross-shore from the WNW at 9 mph, and it’s just not clean. Water temp is 60°F, pretty normal for this time of year.

Wednesday the 19th and Thursday the 20th aren’t any better. A bit more energy mid-week—up to 429 on the 20th morning with a short-period 4ft WNW windswell at 7 seconds, but the wind picks up to 16 mph cross-shore, and it’s choppy and messy. Not a day you paddle out for fun.

From the 21st through the 24th, the swell drops off. Most sessions show poor surf—cross or cross-onshore wind. Even when the wind is light, the swell is tiny—1ft to 2ft—and the period is all over the place. A few sessions on the 24th and 25th get a score of 1 out of 10, meaning marginal surf or tide issues. Energy is moderate, around 262 to 293, but the wave shape just isn’t there.

We get a little spike on the morning of the 26th of August—swell hits 4ft from the WNW again, period a short 8 seconds, energy up to 446—but the wind is cross-onshore and the waves are choppy. Still not clean. That pattern sticks: through the end of August and into September, we see similar small SW groundswells (1ft to 3ft, 13 to 17 second periods) but the wind is always cross or cross-onshore, often moderate to fresh (up to 19 mph). By the 29th and 30th, the energy climbs back over 500, but with a fresh cross-shore wind and lumpy seas, it’s just not worth it for a paddle surfer. Honestly, with that wind and small, lumpy swell, this setup looks more interesting for kite surfing than paddling.

The only possible standout window is the morning of the 30th of August, with light cross-onshore wind and a 3ft SW groundswell at 16 seconds, energy at 405—marginal, but it’s the closest we get to clean. Still, not a standout I’d get excited about.

It’s a long dry spell from start to finish, with no real improvement until the end of the forecast, and even then, it’s still small and windy. The Fort is consistent, but this run is a blank one. Don’t hold your breath—sometimes the ocean just takes a nap.

Forecasts can change, though.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 21°C on Wed afternoon, min 14°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Sat morning, min 12°C on Sun night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
1
0
3
0
0
1
0
0
1
0
0
1
0
0
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
16
0.6
SSW
16
0.7
SW
14
0.7
SW
15
1.7
NW
7
1.3
WNW
7
0.6
SSW
14
0.6
SSW
14
0.5
SW
14
1.1
WNW
5
1.2
NW
6
0.7
WNW
10
0.9
WNW
10
0.9
WNW
9
0.4
SW
19
0.4
SW
18
0.4
SW
18
0.5
SW
18
0.5
SW
17
0.5
SW
17
Wave Graph
Metric surfscale
Energy kJ
166
169
211
217
293
154
133
157
92
68
88
102
135
134
129
83
111
155
148
143
Wind (km/h)
15
WNW
5
N
10
W
20
WNW
10
NNW
15
WNW
20
WNW
15
NW
20
WNW
25
WNW
15
NNW
10
W
15
WNW
5
N
10
WSW
10
W
0
S
10
SSW
10
W
5
NW
Wind State
cross
glassy
cross-on
cross
cross-off
cross
cross
cross
cross
cross
cross-off
cross-on
cross
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
High Tide
3:28PM1.68m
5:12AM1.14m
4:11PM1.65m
6:58AM1.15m
5:04PM1.62m
8:24AM1.22m
6:04PM1.62m
9:18AM1.28m
7:04PM1.65m
9:56AM1.33m
7:58PM1.69m
10:27AM1.36m
8:46PM1.73m
Low Tide
10:42PM0.33m
10:03AM0.84m
11:51PM0.30m
11:15AM0.98m
1:00AM0.25m
12:36PM1.04m
2:00AM0.18m
1:44PM1.03m
2:51AM0.11m
2:38PM0.98m
3:33AM0.05m
3:22PM0.90m
4:09AM-0.00m
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
6:31
6:33
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:01
8:00
7:59
7:58
7:55
7:54
 mm
Temp °C
20
15
19
21
17
21
21
17
19
19
15
21
21
17
19
19
14
17
18
14
Feels °C
18
12
18
18
13
18
18
14
16
15
12
19
18
15
18
18
13
16
17
13
  • Map Icons:
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  • 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 16 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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