The Fort Surf Break

Lat Long: 38.51° N 123.25° W

The Fort Surf Forecast and Surf Report

Issued: 10 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Fort sea temperature is
14.7°C
0.0° 

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 14 Sep 2026:

  • Best quality surf: Monday 14 Sep, 5AM (local time) - 5.5ft (1.7m), 8s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Monday 14 Sep, 11PM (local time) - 7.5ft (2.3m), 8s period, NW swell with 751 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 5AM (local time) - 5.5ft (1.7m), 8s period with WNW 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 (Sep 14) at 5AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 1.1m and 8s. Another secondary swell of 0.5m and 13s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Fort in the next 16 days are 2.3m 8s and forecast to arrive on Monday (Sep 14) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 14th Sep)5.5ft (1.7m) 8s
Best Surf 5AM (Mon 14th Sep)5.5ft (1.7m) 8s
Most Powerful11PM (Mon 14th Sep)7.5ft (2.3m) 8s

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


The Lowdown

Alright, let me break down the next couple of weeks at The Fort for you. It’s a quiet picture overall. There’s no big swell on the cards, but we do have a few moments where you might want to grab a board.

Your first real chance to surf is Monday morning, September 14th. We’ve got a small 3ft swell from the WNW, short period at 8 seconds. The wind is cross-onshore from the WNW at 6 mph, so the surface will be a little bumpy. The combined wave energy is moderate at 289. It’s a marginal call, nothing to write home about.

Tuesday morning, the 15th, cleans up nicely. Swell drops a bit to 3ft from the same WNW direction, still short period, but the wind goes glassy – just a light breeze from the WSW at 3 mph. That glassy morning is the best of the early part of the week. The energy is moderate at 238. It’s small but clean enough for an intermediate surfer. Keep the expectations low.

Then we hit a long quiet stretch. From Tuesday afternoon all the way through to Wednesday, September 23rd, it’s mostly poor or marginal. The swell hangs around 2ft to 2ft, coming from the SW, with periods that vary a lot – sometimes short, sometimes long up to 19 seconds. Those longer periods (16 to 19 seconds) could bring a bit of shape to the reef, but the size is just too small. Winds are mostly cross or cross-onshore, so it’s choppy or rippled. There’s a fleeting glassy moment on Saturday the 19th morning with a 2ft SW swell and an offshore wind from the SSW at 3 mph, but it’s still marginal. The wave energy stays in the low to moderate range, not enough to get excited about.

The real standout in this whole forecast is Wednesday afternoon, September 23rd. Swell is still small at 2ft from the SW, with a 15-second period. But the wind goes light from the south at 3 mph and it turns glassy. The combined energy is 310, still moderate. The report says “expect good surf conditions.” For this entire outlook, that is the one session to aim for. Clean, small, and glassy.

After that, it’s back to poor or marginal conditions through to September 29th. The swell fades to 1ft, and winds are mostly onshore or cross-onshore. It’s basically a long fade-out.

So, bottom line: Don’t expect any fireworks. The best window is Tuesday morning the 15th for a glassy small session, and the clear winner is Wednesday afternoon the 23rd for that brief window of clean glassy groundswell. Bring your log and some patience.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 12°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Fri morning, min 13°C on Wed night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
0
3
1
0
2
0
0
1
1
1
1
1
0
2
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
WNW
9
1
WNW
8
1.4
WNW
8
2
WNW
8
0.9
WNW
8
0.9
WNW
8
1.1
WNW
9
0.9
WNW
8
0.5
SW
17
1.3
WNW
8
0.4
SW
21
0.4
SW
21
0.4
SW
21
0.5
SW
19
0.5
SW
19
0.5
SW
19
0.6
SW
18
0.6
SW
18
0.6
SW
18
Wave Graph
Metric surfscale
Energy kJ
421
151
277
581
122
122
172
101
135
202
119
121
116
184
184
184
199
252
252
Wind (km/h)
10
N
10
WNW
25
NW
10
NNW
5
WSW
15
WNW
0
NNE
10
W
25
WNW
10
NW
5
SSW
10
W
5
N
10
W
20
WNW
5
NNW
5
SW
15
WNW
0
NE
Wind State
cross-off
cross-on
cross
cross-off
glassy
cross
glassy
cross-on
cross
cross
on
cross-on
cross-off
cross-on
cross
cross-off
on
cross
glassy
High Tide
1:31AM1.44m
1:16PM1.72m
2:29AM1.33m
1:47PM1.69m
3:37AM1.24m
2:23PM1.63m
5:03AM1.19m
3:09PM1.58m
6:39AM1.21m
4:08PM1.52m
7:51AM1.25m
5:18PM1.50m
Low Tide
7:12AM0.54m
8:05PM0.16m
7:50AM0.72m
8:53PM0.18m
8:33AM0.88m
9:50PM0.22m
9:30AM1.00m
10:56PM0.25m
10:55AM1.07m
00:07AM0.25m
12:22PM1.06m
1:12AM0.21m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
6:54
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:21
7:20
7:17
7:15
7:15
 mm
Temp °C
15
19
20
15
19
18
15
17
18
14
16
17
15
19
19
16
19
19
16
Feels °C
11
17
17
11
18
17
13
15
14
11
16
16
14
18
17
13
18
18
14
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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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