Surf Forecasts:
The Fort surf forecast from 16 Sep 2026:
- Best quality surf: Sunday 20 Sep, 8AM (local time) - 5.5ft (1.7m), 8s period, NW swell with cross-offshore winds.
- Most powerful swell: Sunday 20 Sep, 11PM (local time) - 7ft (2.1m), 8s period, NW swell with 571 kJ wave energy.
- Next surfable swell (1★+): Wednesday 16 Sep, 2AM (local time) - 3.5ft (1.1m), 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 Wednesday (Sep 16) at 2AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.4m and 16s. 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 2.1m 8s and forecast to arrive on Sunday (Sep 20) 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+) | 2AM (Wed 16th Sep) | 3.5ft (1.1m) 8s |
| Best Surf | 8AM (Sun 20th Sep) | 5.5ft (1.7m) 8s |
| Most Powerful | 11PM (Sun 20th Sep) | 7ft (2.1m) 8s |
Table - best surf conditions forecast for The Fort over the next 16 days.
The Lowdown
Hey, Rusty here. Let’s talk about The Fort. It's a reef break that's pretty reliable and takes a SW swell best.
The first week and a half is a slow burn. Lots of small surf with weak energy and cross-shore winds messing things up. From the 15th to the 19th it’s mostly poor, with just a couple days that are "marginal." You'll be waiting for the good stuff.
The first real standout is Wednesday the 23rd. The morning is glassy—dead calm. The swell is a clean 2ft from the SW with a long 16-second period. It’s small, but it’ll be perfect, clean lines on the reef. For an intermediate spot, that’s a golden session.
Next up, Monday the 28th has another glassy morning with a bigger 5ft swell from the WNW. The period is short at 8 seconds, and wave energy is moderate at 661. It’s clean and punchy, but the short period means sets will be close together. Good for experienced guys.
Looking further out, Wednesday the 30th shows potential with a 7ft afternoon swell from the WNW, an 11-second period, and very strong energy (1497). Winds are just a gentle cross-shore. At that size, it’s expert territory and could be the biggest, cleanest day of the whole outlook.
The water temp is 59°F, which is normal for the season. The rest of the time is mostly poor or marginal. The early glassy morning on the 23rd is your go-to for a clean paddle. For power, watch the 28th and that big one on the 30th.
Stay patient, it’ll come good.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Tue afternoon, min 11°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 19°C on Fri afternoon, min 11°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the WNW by Sun afternoon). | |||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||
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) | WNW 8 | WNW 8 | WNW 8 | SW 16 | SW 18 | SW 16 | SW 21 | SW 21 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | WNW 8 | SW 19 | SW 18 | SW 17 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 119 | 160 | 113 | 133 | 92 | 118 | 121 | 116 | 184 | 184 | 184 | 199 | 252 | 252 | 330 | 343 | 246 | 283 | 287 | 287 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross-on | glassy | cross | cross-on | cross-off | cross-on | cross | cross-off | cross-on | cross | cross | cross | cross | cross-off | cross-on | cross | off |
High Tide | 3:37AM1.24m | 2:23PM1.63m | 5:03AM1.19m | 3:09PM1.58m | 6:39AM1.21m | 4:08PM1.52m | 7:51AM1.25m | 5:18PM1.50m | 8:35AM1.30m | 6:28PM1.51m | 9:07AM1.35m | 7:29PM1.55m | ||||||||
Low Tide | 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 | 1:28PM0.98m | 2:05AM0.16m | 2:18PM0.88m | 2:48AM0.11m | |||||||
 |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | 7:21 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:15 | — | — | 7:13 | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 14 | 16 | 16 | 14 | 18 | 19 | 15 | 19 | 19 | 16 | 19 | 18 | 14 | 17 | 18 | 14 | 18 | 20 | 17 |
Feels °C | 17 | 12 | 14 | 13 | 14 | 16 | 17 | 14 | 18 | 17 | 13 | 18 | 15 | 11 | 14 | 13 | 10 | 17 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 16 | WNW 8 | WNW 8 | SW 16 | WNW 8 | W 8 | W 8 | W 8 | SW 19 | SW 19 | WNW 5 | WNW 7 | SW 18 | WNW 7 | WNW 8 | SW 19 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 88 | 160 | 113 | 133 | 92 | 48 | 49 | 33 | 184 | 184 | 21 | 37 | 252 | 78 | 113 | 343 | 201 | 164 | 161 | 248 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 16 | SW 16 | WNW 12 | SW 14 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 19 | SW 18 | SW 13 | SW 18 | SW 18 | SW 12 | SW 18 | SW 17 | SW 17 | SW 17 |
| kJ | 23 | 63 | 87 | 14 | 49 | 118 | 121 | 104 | 103 | 100 | 184 | 199 | 44 | 252 | 255 | 37 | 246 | 283 | 287 | 287 |
Swell 3 Height (m) Direction Period (s) | WNW 13 | SSW 20 | SSW 19 | SW 11 | SW 18 | NW 11 | SW 21 | SW 21 | WNW 10 | NW 10 | SW 13 | SW 13 | S 10 | SW 13 | SW 12 | S 10 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 17 | 38 | 37 | 5 | 79 | 29 | 117 | 116 | 32 | 15 | 46 | 44 | 18 | 42 | 38 | 7 | 29 | 29 | 27 | 14 |
Wind waves Height (m) Direction Period (s) | WNW 8 | — | — | WNW 8 | — | — | — | — | — | W 4 | WNW 6 | NW 7 | WNW 6 | WNW 7 | WNW 8 | WNW 7 | — | — | — | — |
| kJ | 119 | — | — | 104 | — | — | — | — | — | 12 | 112 | 109 | 69 | 224 | 330 | 144 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 60 | 0 | 328 | 156 | 0 | 2 | 120 | 0 | 60 | 100 | 0 | 60 | 204 | 29 | 204 | 203 | 0 | 12 | 29 | 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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