Surf Forecasts:
The Fort surf forecast from 13 Sep 2026:
- Best quality surf: Monday 14 Sep, 2AM (local time) - 5.5ft (1.7m), 8s period, WNW swell with cross-offshore winds.
- Most powerful swell: Monday 14 Sep, 11PM (local time) - 8ft (2.4m), 9s period, WNW swell with 864 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 11PM (local time) - 2.5ft (0.7m), 14s 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 Saturday (Sep 12) at 11PM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.4m and 11s. Another secondary swell of 0.6m and 4s 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 2.4m 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+) | 11PM (Sat 12th Sep) | 2.5ft (0.7m) 14s |
| Best Surf | 2AM (Mon 14th Sep) | 5.5ft (1.7m) 8s |
| Most Powerful | 11PM (Mon 14th Sep) | 8ft (2.4m) 9s |
Table - best surf conditions forecast for The Fort over the next 16 days.
The Lowdown
Alright, Rusty here again, same story, different numbers.
Right now, and for quite a stretch ahead, it’s a pretty grim picture. We’re looking at a run of poor conditions that goes on for days. The first real hint of anything worthwhile won’t show up until Thursday the 17th of September, and even then it’s only just a *marginal* shout. Before that, from now through Wednesday the 16th, the surf is tiny and messy with cross-shore winds and lumpy chop. It’s just not worth paddling out for.
That Thursday morning, the 17th, we see a marginal window. The swell is a weak 2 ft from the SW, but the period is a long 16 seconds, which means some actual groundswell energy. The water temp is sitting at about 60°F with a 1°F anomaly – so pretty standard for this time of year, nothing wild. The wind is light cross-onshore, so it’s not glassy, but it’s not a total mess either. The combined energy is moderate (269). Still, it’s only rated as marginal, so don’t expect much.
The next decent chance comes on Monday the 21st of September. Morning sees a bit of cloud, light offshore wind from the SSW at 3 mph, and a small 2 ft SW swell with a 17-second period – long period again. The combined energy is strong (478). This is the standout of the whole forecast, but it’s still only *marginal* due to the tiny size. If you’re desperate for a slide and the tide lines up, this is your best bet. The Fort is a reef break, consistent, and the direction is from the SW, which is the optimum. Crowds are possible, but with conditions this ordinary, it might be quiet.
After that, Tuesday the 22nd and Wednesday the 23rd offer more marginal windows, but nothing to get excited about. The swell stays small, around 2–2 ft, and the winds are mostly cross or cross-onshore. It’s just not firing.
The whole second week limps along with tiny SW swell and cross-shore winds, until Saturday the 26th of September. That morning, we finally get a glassy moment – light SW wind, almost calm, and a 2 ft SSW swell at 13 seconds. Combined energy is moderate (244). It’s described as “surfable but very ordinary,” so it’s the cleanest the place will look, but still tiny. Sunday the 27th picks up a touch more energy (443) but with cross-shore winds again.
Bottom line: The Fort has no proper surf for the next two weeks. If you’ve got to get wet, aim for the morning of Monday 21st September or the glassy Saturday 26th morning. Otherwise, this is a long dry spell.
Rusty
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 12°C on Sat night). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Tue morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 19°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||
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 14 | SW 14 | SW 13 | SW 13 | WNW 8 | WNW 8 | WNW 8 | NW 9 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | SW 17 | SW 14 | SW 21 | SW 21 | SW 21 | SW 19 | SW 19 | SW 19 |
Wave Graph  | ||||||||||||||||||||
 kJ | 203 | 192 | 144 | 111 | 413 | 151 | 190 | 711 | 119 | 101 | 154 | 96 | 137 | 61 | 119 | 121 | 116 | 184 | 184 | 184 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross-off | cross-on | cross | cross-off | on | cross | glassy | on | cross-on | glassy | cross-on | cross-on | cross-off | cross-on | cross | cross-off |
High Tide | 00:38AM1.56m | 12:47PM1.73m | 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 | ||||||||
Low Tide | 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 | 9:30AM1.00m | 10:56PM0.25m | 10:55AM1.07m | 00:07AM0.25m | |||||||
 |  | | | | | | | | | | | | | |  | | | | | |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 7:25 | — | — | 7:23 | — | — | 7:22 | — | — | 7:21 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 15 | 18 | 18 | 15 | 19 | 20 | 16 | 19 | 19 | 16 | 18 | 18 | 14 | 18 | 18 | 13 | 18 | 18 | 15 |
Feels °C | 13 | 11 | 14 | 12 | 11 | 17 | 16 | 12 | 18 | 18 | 14 | 17 | 17 | 13 | 17 | 17 | 12 | 15 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | WNW 8 | WNW 8 | SW 17 | WNW 9 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | SW 16 | SW 16 | SW 15 | SW 19 | SW 19 | SW 19 |
| kJ | 203 | 192 | 144 | 111 | 153 | 151 | 76 | 262 | 119 | 101 | 154 | 96 | 70 | 53 | 119 | 121 | 104 | 184 | 184 | 184 |
Swell 2 Height (m) Direction Period (s) | WSW 13 | NW 10 | NW 10 | SW 19 | SW 13 | SW 13 | SW 13 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 17 | SW 14 | W 8 | W 5 | WNW 8 | SW 14 | SSW 14 | SW 13 |
| kJ | 35 | 25 | 24 | 57 | 85 | 61 | 58 | 76 | 93 | 88 | 63 | 87 | 137 | 49 | 33 | 4 | 12 | 103 | 80 | 46 |
Swell 3 Height (m) Direction Period (s) | S 10 | WSW 12 | WSW 11 | WSW 11 | SW 19 | SW 17 | W 9 | SW 12 | SW 12 | SW 12 | SSW 20 | SSW 19 | WNW 12 | SSW 18 | SW 21 | SW 21 | SW 21 | SSW 11 | S 10 | S 11 |
| kJ | 7 | 29 | 24 | 12 | 92 | 77 | 2 | 23 | 23 | 23 | 38 | 37 | 26 | 61 | 117 | 117 | 116 | 25 | 17 | 20 |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 4 | W 4 | WNW 5 | WNW 8 | — | WNW 8 | NW 9 | — | — | — | — | — | — | — | — | — | WNW 3 | WNW 4 | WNW 4 |
| kJ | 72 | 10 | 9 | 83 | 413 | — | 190 | 711 | — | — | — | — | — | — | — | — | — | 2 | 28 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 206 | 57 | 203 | 206 | 0 | 60 | 203 | 0 | 12 | 60 | 0 | 15 | 87 | 0 | 15 | 60 | 0 | 29 | 204 | 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.
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