Surf Forecasts:
The Fort surf forecast from 20 Aug 2026:
- Best quality surf: Thursday 20 Aug, 5AM (local time) - 2.5ft (0.7m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 11PM (local time) - 5.5ft (1.7m), 7s period, WNW swell with 266 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 5AM (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 Thursday (Aug 20) at 5AM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.7m and 7s. Another secondary swell of 1.3m and 7s 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 1.7m 7s and forecast to arrive on Wednesday (Aug 26) at 11PM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 20th Aug) | 2.5ft (0.7m) 14s |
| Best Surf | 5AM (Thu 20th Aug) | 2.5ft (0.7m) 14s |
| Most Powerful | 11PM (Wed 26th Aug) | 5.5ft (1.7m) 7s |
Table - best surf conditions forecast for The Fort over the next 16 days.
The Lowdown
Alright mate, Rusty here with a look at what's on offer.
To be honest, it's a bit of a flat spell we're in the middle of. The Fort is seeing some small, short-period swell, but the wind and conditions are just not playing ball for a good session. There's a long stretch here where the surf is pretty poor, with onshore and cross-shore winds messing things up. You'll see a bit of a gap here with no real options until we get into the last week of August.
Let's break it down.
The first real blip of interest comes on Thursday, 27 August afternoon. The swell bumps up to 5ft, but it's a short-period 7-second windswell, and the cross-on breeze from the WNW is going to keep things a bit messy. Not a standout, but at least there's a bit of water moving.
Then, Friday morning, 28 August looks a little better. We've got a 5ft swell from the NW, still a short 7-second period, but the wind is light and offshore from the WSW. The conditions will be clean, but it's a short-period windswell, so it won't have the best shape. The wave energy is moderate at 502.
The next real chance is Monday morning, 31 August. The swell jumps up to 6ft from the WNW, with a short 8-second period. The wind is a moderate cross-shore from the WNW, and the water moving is moderate at 809. This one could be a bit of a challenge for beginners, but for the more experienced crew, it might be worth a look. The wind is cross, so it won't be glassy, but it's a bit of size to play with.
Now, the best on offer in the whole 16-day window looks like Saturday morning, 29 August. We've got a solid 3ft swell from the SW with an 18-second period. That's a long-period groundswell, which means it'll have good energy and shape, especially at a reef break like The Fort. The wind is a moderate cross-shore from the WNW, so it won't be clean, but the swell quality should be decent. The combined wave energy is strong at 961. The water is a touch warmer than normal at 60°F, so it's ok for the time of year.
The second week is looking pretty quiet. Swell stays small, winds are messy, and the scores are low. Keep an eye on the forecasts, but for now, the best bet is that Saturday the 29th.
Rusty out.
Short Range ForecastMostly dry. Warm (max 20°C on Sat morning, min 11°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Sat afternoon, min 11°C on Mon night). Winds decreasing (fresh winds from the NW on Sat afternoon, calm by Sun night). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
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 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | W 11 | SSW 13 | SSW 13 | SW 17 | WNW 7 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 217 | 223 | 123 | 133 | 138 | 123 | 68 | 67 | 67 | 75 | 175 | 129 | 103 | 111 | 155 | 150 | 143 | 171 | 130 | 125 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross | cross-off | cross-on | cross | cross-off | cross | cross | cross-off | on | cross-on | cross-off | cross-on | on | glassy | on | cross-on | glassy |
High Tide | 4:11PM1.65m | 6:58AM1.15m | 5:04PM1.62m | 8:24AM1.22m | 6:04PM1.62m | 9:18AM1.28m | 7:04PM1.65m | 9:56AM1.33m | 7:58PM1.69m | 10:27AM1.36m | 8:46PM1.73m | 10:54AM1.39m | 9:30PM1.75m | |||||||
Low Tide | 11:51PM0.30m | 11:15AM0.98m | 1:00AM0.25m | 12:36PM1.04m | 2:00AM0.18m | 1:44PM1.03m | 2:51AM0.11m | 2:38PM0.98m | 3:33AM0.05m | 3:22PM0.90m | 4:09AM-0.00m | 4:00PM0.82m | 4:41AM-0.03m | |||||||
 |  | | | | | |  |  | | | | | | | | | | | | |
 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | 8:01 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:55 | — | — | 7:54 | — | — | 7:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 14 | 19 | 19 | 16 | 18 | 17 | 13 | 20 | 22 | 17 | 20 | 19 | 16 | 18 | 17 | 13 | 17 | 18 | 14 |
Feels °C | 17 | 11 | 17 | 16 | 13 | 15 | 14 | 10 | 17 | 16 | 13 | 19 | 18 | 15 | 16 | 16 | 13 | 16 | 17 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 15 | WNW 7 | WNW 6 | SSW 14 | WNW 5 | WNW 11 | W 11 | W 10 | SSW 13 | SSW 13 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | W 7 | SW 16 | SW 16 | WNW 5 |
| kJ | 217 | 64 | 30 | 133 | 26 | 65 | 57 | 53 | 67 | 67 | 94 | 103 | 103 | 101 | 65 | 44 | 38 | 171 | 130 | 22 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | SW 15 | SSW 14 | WNW 11 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | WNW 10 | SW 17 | SW 16 | SW 19 | SW 19 | SW 18 | SW 18 | SSW 14 | SW 17 | W 6 | SSW 13 | SW 16 |
| kJ | 58 | 223 | 123 | 100 | 138 | 123 | 68 | 67 | 33 | 75 | 90 | 129 | 90 | 111 | 155 | 118 | 143 | 21 | 68 | 125 |
Swell 3 Height (m) Direction Period (s) | W 12 | WNW 12 | WNW 12 | WSW 19 | WNW 11 | SW 18 | SW 18 | SW 17 | SW 17 | W 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SSW 14 | SW 18 | SSW 13 | SSW 13 | W 15 | SSW 13 |
| kJ | 78 | 104 | 109 | 36 | 93 | 51 | 49 | 47 | 47 | 12 | 38 | 28 | 37 | 38 | 81 | 150 | 70 | 98 | 71 | 54 |
Wind waves Height (m) Direction Period (s) | — | NW 7 | NW 7 | WNW 5 | WNW 6 | W 4 | WNW 4 | WNW 4 | WNW 4 | WNW 5 | WNW 7 | — | — | — | — | — | — | — | W 6 | WNW 6 |
| kJ | — | 194 | 100 | 37 | 105 | 14 | 21 | 15 | 7 | 74 | 175 | — | — | — | — | — | — | — | 19 | 68 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 156 | 29 | 29 | 100 | 0 | 204 | 206 | 0 | 103 | 206 | 0 | 12 | 60 | 0 | 15 | 15 | 0 | 15 | 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.
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