
Surf Forecasts:
The Fort surf forecast from 11 Sep 2026:
- Best quality surf: Friday 11 Sep, 5AM (local time) - 4.5ft (1.3m), 11s period, WNW swell with cross-offshore winds.
- Most powerful swell: Monday 14 Sep, 11PM (local time) - 7.5ft (2.3m), 9s period, NW swell with 787 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 5AM (local time) - 4.5ft (1.3m), 11s 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 Friday (Sep 11) at 5AM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.8m and 16s. Another secondary swell of 0.8m and 11s 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 9s and forecast to arrive on Monday (Sep 14) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 11th Sep) | 4.5ft (1.3m) 11s |
| Best Surf | 5AM (Fri 11th Sep) | 4.5ft (1.3m) 11s |
| Most Powerful | 11PM (Mon 14th Sep) | 7.5ft (2.3m) 9s |
Table - best surf conditions forecast for The Fort over the next 16 days.
The Lowdown
Alright folks, let’s be straight with you. The next couple of weeks at The Fort are looking pretty grim for a decent paddle. I’ve scanned the whole 16-day window and there just isn’t a proper swell rolling in with any kind of quality. We’re looking at a whole lot of small, short-period junk with cross-shore winds messing it up. There’s a serious dry spell here, so don’t get your hopes up for anything epic.
The first week is basically a write-off. From Thursday the 10th right through to the following Thursday the 17th, we’ve got nothing but poor surf conditions. The swell is small, hovering around 1ft to 5ft, and the period is mostly short, under 10 seconds, which means weak and messy waves. The winds are almost constantly cross or cross-on, which will leave the surface chopped up and lumpy. Combined swell energy stays in the low to mid hundreds, which is weak. There’s a bit of a bump on Sunday the 13th afternoon, with a 5ft swell from the WNW, but it’s only 6 seconds and it’s blowing 22 mph cross. That’s not surf, that’s a washing machine.
The second week doesn’t offer much more hope. From the 18th to the 25th, we’re stuck in the same pattern. The swell remains small, mostly 2ft to 3ft, and while we see some longer period swells come in from the SW, around 15 to 19 seconds, they never have any size to back them up. These long-period groundswells are great in theory, but with next to no energy, they’ll just be rolling through flat. The wind stays cross-shore for most of it, so it’ll remain crumbly and uninviting.
Keep an eye on Sunday the 20th afternoon though. That’s the one beacon of interest. The swell jumps to 6ft from the NW with a 10-second period, and the combined energy shoots up to 1101, which is strong. The wind is only a gentle cross-shore, so it might clean up a bit. But it’s a far-off call, so treat it as promising but not certain. Even then, it’s still marginal. The Fort is a consistent reef, and for an intermediate surfer, anything over 8ft is only for experts. This 6ft is on the bigger side for the week, but the quality looks questionable. Don't expect perfection.
Let’s talk about the water. The first surf I’d even consider mentioning is on the 11th. The water temp is 59° which is about average for this time of year, so no surprises there. On the 20th, when we get that bump, the water temp is still around 59°.
Bottom line, it’s a tough stretch. If you see some waves, you might get lucky with a clean one, but mostly it’s going to be small and lumpy. The Fort itself is a reef break, so it might hold some shape even with the small swell, but the winds are going to be the killer.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Thu morning, min 11°C on Sat night). Winds increasing (light winds from the NW on Thu morning, fresh winds from the WNW by Sat afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Sun afternoon, min 12°C on Sun morning). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Tue night). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WNW 6 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | SW 16 | SW 16 | SW 18 |
Wave Graph | |||||||||||||||||||||
283 | 398 | 348 | 411 | 395 | 251 | 251 | 203 | 158 | 113 | 131 | 581 | 208 | 397 | 623 | 122 | 94 | 85 | 87 | 133 | 80 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-off | on | cross | glassy | on | cross | glassy |
High Tide | 11:16AM1.65m | 10:55PM1.77m | 11:48AM1.69m | 11:46PM1.67m | 12:18PM1.73m | 00:38AM1.56m | 12:47PM1.73m | 1:31AM1.44m | 1:16PM1.72m | 2:29AM1.33m | 1:47PM1.69m | 3:37AM1.24m | 2:23PM1.63m | ||||||||
Low Tide | 5:03PM0.40m | 5:25AM0.03m | 5:49PM0.29m | 6:01AM0.18m | 6:34PM0.21m | 6:36AM0.35m | 7:19PM0.17m | 7:12AM0.54m | 8:05PM0.16m | 7:50AM0.72m | 8:53PM0.18m | 8:33AM0.88m | 9:50PM0.22m | ||||||||
6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | |
— | 7:29 | — | — | 7:27 | — | — | 7:25 | — | — | 7:23 | — | — | 7:22 | — | — | 7:21 | — | — | 7:20 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 17 | 20 | 21 | 17 | 19 | 18 | 15 | 18 | 20 | 15 | 20 | 20 | 15 | 18 | 19 | 15 | 19 | 19 | 15 |
Feels °C | 22 | 20 | 14 | 18 | 15 | 12 | 14 | 12 | 10 | 14 | 14 | 11 | 17 | 16 | 11 | 17 | 18 | 13 | 18 | 18 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WNW 9 | WNW 9 | SW 17 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 6 | W 4 |
283 | 398 | 348 | 411 | 395 | 251 | 251 | 203 | 158 | 113 | 111 | 199 | 208 | 77 | 243 | 122 | 94 | 85 | 42 | 18 | 6 | |
Swell 2 Height (m) Direction Period (s) | WNW 12 | SSW 11 | SSW 9 | WNW 9 | SSW 7 | WSW 15 | WNW 10 | WSW 13 | NW 10 | WNW 5 | SW 19 | SW 13 | SW 13 | SW 13 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 14 |
81 | 103 | 84 | 119 | 18 | 72 | 38 | 35 | 25 | 15 | 57 | 85 | 61 | 42 | 77 | 93 | 88 | 63 | 87 | 133 | 67 | |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | WNW 11 | S 8 | SSW 11 | S 10 | WSW 13 | S 10 | WSW 12 | NW 10 | WSW 11 | SW 19 | SW 18 | W 15 | SW 12 | SW 12 | SW 12 | SSW 20 | SSW 19 | WNW 12 | SW 18 |
38 | 38 | 46 | 32 | 11 | 8 | 59 | 7 | 29 | 24 | 12 | 92 | 78 | 4 | 23 | 23 | 23 | 38 | 37 | 14 | 80 | |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 4 | WNW 4 | NW 8 | WNW 6 | WNW 9 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 8 | — | WNW 9 | WNW 9 | — | — | — | — | WNW 7 | WNW 7 |
46 | 18 | 15 | 255 | 115 | 121 | 37 | 97 | 17 | 51 | 131 | 581 | — | 397 | 623 | — | — | — | — | 62 | 59 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 60 | 181 | 100 | 103 | 203 | 100 | 204 | 206 | 100 | 29 | 203 | 0 | 29 | 203 | 0 | 2 | 60 | 0 | 24 | 60 | 0 |
Best forecast wave conditions in Sonoma County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.










