The Fort Surf Break

Lat Long: 38.51° N 123.25° W

The Fort Surf Forecast and Surf Report

Issued: 4 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Fort sea temperature is
14.8°C
0.2° 

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 27 Aug 2026:

  • Best quality surf: Friday 28 Aug, 11PM (local time) - 5.5ft (1.7m), 7s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Saturday 29 Aug, 8AM (local time) - 3.5ft (1.0m), 18s period, SW swell with 607 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 8AM (local time) - 2ft (0.6m), 15s 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 Thursday (Aug 27) at 8AM. The primary swell is predicted to be 0.6m and 15s period with a secondary swell of 0.7m and 6s. Another secondary swell of 0.6m and 12s is also forecast. Another secondary swell of 1.2m and 6s 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 1.0m 18s and forecast to arrive on Saturday (Aug 29) at 8AM. 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+) 8AM (Thu 27th Aug)2ft (0.6m) 15s
Best Surf11PM (Fri 28th Aug)5.5ft (1.7m) 7s
Most Powerful 8AM (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, Rusty here. Let’s be honest, it’s a tough stretch ahead at The Fort. This is a consistent reef break, intermediate-level, exposed to swell from the SW, and it likes a clean offshore from the NE – but we aren’t getting that much. The combo of cross-shore and cross-onshore winds is going to mess with things for most of the period. The water temp is about average for the time of year, nothing weird going on there.

We start on Thursday 27 August and there’s nothing to get excited about. Cross-chop is the story, with swell around 2ft from the S and period at 12 seconds – wave energy is weak (255). It’s a write-off. Friday 28 August has a little pulse from the SW with a 17-second period, which is a long-period groundswell, and combined energy climbs to moderate (591), but the cross-shore wind and chop keep surf quality poor. The swell is still small at 2ft.

Saturday 29 August morning sees that long-period SW swell at 3ft and 18 seconds, with energy reading strong (1016). That’s proper groundswell, but it’s getting hammered by a fresh cross-shore breeze. The Fort is a reef, so it can handle the long period better than a beach, but the wind is the killer. Saturday afternoon gets worse.

Sunday 30 August has a bit of a lighter breeze in the morning – 10 km/h cross-onshore – and 3ft SW swell at 16 seconds, but the wave energy has dropped back to moderate (598). Still, it’s marginal.

Monday 31 August morning is the first real flicker of hope. We get a 5 km/h onshore wind from the WSW, with 3ft of SSW swell at 14 seconds. The wind is light enough that it might clean up a bit, but it’s onshore. Energy is moderate (360). Not a standout, just the best of a poor bunch so far.

The next week drags on with mostly light to moderate cross-winds and small SW swell. There’s a notable window on Monday 7 September morning – the 7th of September, mark it. We get glassy conditions, a 5 km/h SW breeze turning it to glass, with 4ft of SW swell at 14 seconds. Combined energy is moderate (477). Finally, some clean conditions. The swell direction is bang on for the break’s optimum SW, and the glassy wind makes this the best session on offer. It’s the only time we see clean, glassy surf. The swell is a touch small at 4ft, but for a reef that handles the 14-second period, it’ll be rideable and tidy.

After that, it’s back to cross-shore winds and lumpy waves through to the end of the forecast. Wednesday 9 September morning has another light onshore and a bigger long-period SW swell (3ft, 18 seconds, energy 706 – moderate-strong), but the onshore wind will put a ripple on it.

If you want the one to aim for, it’s that Monday 7 September morning. Clean, glassy, and a consistent SW groundswell. Everything else is a battle with the wind. The Fort can be fun when it comes together, but this run is a grind.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 23°C on Thu morning, min 11°C on Sat night). Winds increasing (light winds from the NW on Fri morning, fresh winds from the NW by Sat afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun morning). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
1
0
3
1
0
2
1
0
2
1
0
0
0
0
1
0
0
2
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
S
12
1.4
WNW
6
0.6
SW
14
0.6
SW
17
0.6
SW
19
0.8
SW
18
1
SW
18
0.9
SW
17
2.1
NW
8
1
SW
16
0.9
SW
15
0.9
SW
14
0.9
SW
14
0.8
SSW
14
0.9
SSW
14
0.8
SSW
13
0.7
SSW
13
0.6
SSW
13
0.7
SSW
12
0.8
SSW
12
0.8
S
12
Wave Graph
Metric surfscale
Energy kJ
103
124
141
227
296
383
607
493
517
496
318
305
301
264
265
195
151
113
152
192
174
Wind (km/h)
20
NW
30
NW
10
NNW
15
WNW
25
WNW
10
NNW
20
WNW
35
NW
15
NNW
10
W
20
WNW
5
NNE
5
WSW
20
WNW
15
NW
10
W
25
WNW
10
NNW
15
WNW
25
WNW
10
NNW
Wind State
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross-on
cross
glassy
cross-on
cross
cross
cross-on
cross
cross-off
cross-on
cross
cross-off
High Tide
11:42AM1.47m
10:52PM1.73m
12:06PM1.53m
11:34PM1.67m
12:31PM1.60m
00:19AM1.59m
12:57PM1.67m
1:08AM1.49m
1:26PM1.73m
2:05AM1.37m
1:59PM1.77m
3:15AM1.25m
2:40PM1.79m
4:46AM1.18m
Low Tide
5:11PM0.65m
5:39AM0.01m
5:48PM0.55m
6:08AM0.09m
6:26PM0.45m
6:37AM0.21m
7:08PM0.35m
7:09AM0.36m
7:55PM0.26m
7:43AM0.53m
8:49PM0.20m
8:23AM0.71m
9:52PM0.16m
clear
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clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
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clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:39
6:39
6:41
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:50
7:49
7:46
7:45
7:44
7:43
7:40
 mm
Temp °C
23
22
18
19
19
15
18
20
16
17
18
15
16
17
14
18
18
16
18
18
16
Feels °C
20
17
14
16
16
11
14
14
11
16
15
12
15
15
11
16
15
13
15
13
12
  • 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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