The Fort Surf Break

Lat Long: 38.51° N 123.25° W

The Fort Surf Forecast and Surf Report

Issued: 10 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Fort sea temperature is
15.1°C
0.5° 

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 24 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 2AM (local time) - 6ft (1.8m), 8s period, NW swell with cross-offshore winds.
  • Most powerful swell: Saturday 29 Aug, 11AM (local time) - 3.5ft (1.0m), 18s period, SW swell with 600 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 2AM (local time) - 1.5ft (0.4m), 18s period with SW 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 Monday (Aug 24) at 2AM. The primary swell is predicted to be 0.4m and 18s 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 1.0m 18s and forecast to arrive on Saturday (Aug 29) at 11AM. 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 (Mon 24th Aug)1.5ft (0.4m) 18s
Best Surf 2AM (Sat 29th Aug)6ft (1.8m) 8s
Most Powerful11AM (Sat 29th Aug)3.5ft (1.0m) 18s

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


The Lowdown

G’day, I’m Rusty. Let’s have a look at what’s shaping up for The Fort over the next couple of weeks. Honestly, it’s a bit of a slow burn – the first wave of the outlook doesn’t arrive until late August and the whole run is a mixed bag of small swell and bumpy conditions, with only a couple of moments that might get your heart rate up.

The Fort is a reef break, consistent, and fairly exposed to southwest swells, which is the direction it likes best. The water temp is sitting at 60°, which is about normal for this time of year. Not much to write home about on the anomaly front.

We kick off on the afternoon of Sunday the 23rd of August. Swell is tiny at 1 feet from the southwest, with a seriously long period of 19 seconds – that’s proper groundswell, but the energy is only moderate (203). Winds are light and cross from the west-northwest, so it’s not completely blown out, but the waves are just too small and weak to get excited about. The commentary calls it poor surf conditions, and I’d agree – you’d be scratching for a ride.

Monday the 24th and Tuesday the 25th stay marginal at best. Swell bumps up slightly to 2 to 2 feet, still from the southwest, with periods around 16 to 18 seconds. The energy climbs a bit (284 to 318) but the wind swings cross-on or cross, and the surface gets choppy. Still no surf worth paddling for. This pattern holds through the rest of that week. Wednesday through to the end of August see the swell hovering around 2 to 3 feet, but the wind picks up – fresh breezes and lumpy cross-chop dominate. The energy numbers stay moderate (258 to 714), but the quality is poor. There’s a moment on the morning of Saturday the 29th where the swell hits 3 feet from the southwest with a period of 18 seconds and moderate energy of 714, but the cross-wind still messes it up. It’s a marginal look at best.

Now, here’s where we get one of the only true standouts in the whole window. On the morning of Friday the 4th of September, we see a jump in swell size to 8 feet from the west-northwest, with a period of 9 seconds. That’s a short-period swell, but the combined energy is strong at 1760 – a big pulse of power. The wind is moderate cross from the west-northwest, which is not ideal but not terrible for a reef break. This is a size that’s really only for experienced surfers – over 8 feet is expert territory, and at 8 feet, it’s pushing the limits for intermediates. The reef should handle that short-period energy okay, but the cross-wind will leave some chop on the face. Still, this is the biggest swell of the whole period and if you’ve got the skills, it’s the morning to be out there. The afternoon sees it back off to 6 feet with similar wind, so the morning window is the pick.

The only other moment that gets a nod is the afternoon of Sunday the 6th of September. The swell comes in at 6 feet from the northwest, period of 9 seconds, with an onshore wind from the south-southwest at just 3 mph – nearly glassy. The combined energy is moderate-to-strong at 980. That light onshore wind will keep the surface pretty clean, and while it’s not a standout, it’s a solid option for competent surfers. Crowds at The Fort can happen sometimes, so don’t be surprised if there’s a few out.

Overall, the first week and a half is mostly small, bumpy, and not worth planning around. The gap between any decent surf runs from the start of the outlook all the way to the 4th of September – that’s a long stretch of nothing special. The 4th of September morning is the real standout, with the 6th of September afternoon as a decent backup. Everything else is either too small, too windy, or too marginal to get keen about. I’d keep an eye on the forecast – it tends not to stay this flat forever.

– Rusty

Short Range Forecast

Mostly dry. Warm (max 24°C on Wed afternoon, min 13°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the NW by Wed afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Thu afternoon, min 11°C on Fri night). Winds increasing (light winds from the NNW on Fri morning, fresh winds from the NW by Sat afternoon).

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
2
0
0
1
0
0
2
0
0
2
0
0
3
1
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
18
0.5
SW
18
0.5
SW
17
0.5
SW
17
0.6
SW
16
0.5
SW
16
0.5
SW
16
0.6
SW
16
0.6
SW
16
0.6
S
13
0.6
S
12
1.3
WNW
6
1.6
WNW
6
0.6
SW
17
0.6
SW
19
1.8
NW
8
1
SW
18
0.8
SW
17
1.9
NW
8
Wave Graph
Metric surfscale
Energy kJ
112
155
148
145
171
130
125
159
157
121
104
103
209
175
296
358
600
354
413
Wind (km/h)
5
SE
5
SW
15
WNW
10
NNW
15
WNW
20
WNW
10
NNW
20
WNW
30
NW
15
NNW
20
NW
30
WNW
15
NNW
20
WNW
30
WNW
15
NNW
25
WNW
30
NW
10
NNW
Wind State
glassy
on
cross
cross-off
cross-on
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
High Tide
10:27AM1.36m
8:46PM1.73m
10:54AM1.39m
9:30PM1.75m
11:18AM1.43m
10:11PM1.75m
11:42AM1.47m
10:52PM1.73m
12:06PM1.53m
11:34PM1.67m
12:31PM1.60m
00:19AM1.59m
Low Tide
3:33AM0.05m
3:22PM0.90m
4:09AM-0.00m
4:00PM0.82m
4:41AM-0.03m
4:36PM0.74m
5:11AM-0.03m
5:11PM0.65m
5:39AM0.01m
5:48PM0.55m
6:08AM0.09m
6:26PM0.45m
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
6:35
6:37
6:37
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:52
7:52
7:50
7:49
7:46
 mm
Temp °C
17
18
19
15
20
20
17
22
24
19
21
22
17
20
20
15
18
20
16
Feels °C
15
17
18
13
17
17
14
18
19
16
17
17
12
16
14
11
14
15
12
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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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