Surf Forecasts:
Windansea surf forecast from 16 Sep 2026:
- Best quality surf: Monday 21 Sep, 11PM (local time) - 3ft (0.9m), 16s period, SW swell with glassy winds.
- Most powerful swell: Sunday 20 Sep, 5PM (local time) - 3ft (0.9m), 18s period, SW swell with 516 kJ wave energy.
- Next surfable swell (1★+): Wednesday 16 Sep, 2AM (local time) - 1.5ft (0.5m), 16s period with SW swell.
Best Forecast Surf Conditions for Windansea this week:
The surf forecast for Windansea 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 0.5m and 16s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Windansea in the next 16 days are 0.9m 18s and forecast to arrive on Sunday (Sep 20) at 5PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 16th Sep) | 1.5ft (0.5m) 16s |
| Best Surf | 11PM (Mon 21st Sep) | 3ft (0.9m) 16s |
| Most Powerful | 5PM (Sun 20th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Windansea over the next 16 days.
The Lowdown
Alright, my fellow wave riders, Rusty here. Let's cut through the fog and look at the upcoming period. We're looking at a pretty quiet stretch for the most part, but there's a little bump of hope if you're patient.
The first chunk of this 16-day window is a non-starter. You're looking at a solid 12 to 14 days where the surf is just too weak and choppy to bother with. Swell heights are a paltry 1 ft to 3 ft, coming from the SW with super short periods. The combined energy is just a weak hundred-ish reading. Windansea is a classic reef break, but it's just not handling this stuff. The water is a balmy 73°F, which is about 5° warmer than it should be for this time of year – feels like summer in the water, even if the surf doesn't.
The only time this picture starts to look halfway decent is right at the back end of the month. The end of September brings a more organized, slightly bigger swell from the South. The standout day, the one you want to circle on your calendar, is the morning of Wednesday, September 30th. We're looking at a 3 ft South swell with a period of 14-15 seconds. That's moving into the moderate energy zone (656-725). The wind will be light and cross-onshore, which is about as good as this spot gets for this swell direction. It'll be a little bumpy, but there will be rideable, fun-sized waves at a classic break. It's not a day for the big guns, but for a longboard or a fish, that's your best window.
Other than that, it's a waiting game. For the first two-thirds of the forecast, I'd find something else to do. The reef at Windansea will be waiting, but it wants better waves than what we've got coming for a while.
Keep your head up.
- Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Tue afternoon, min 19°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Fri afternoon, min 19°C on Fri night). Wind will be generally light. | |||||||||||||||||||
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) | SSW 20 | SW 16 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 14 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 149 | 121 | 358 | 254 | 371 | 284 | 255 | 268 | 303 | 303 | 183 | 379 | 370 | 375 | 370 | 516 | 429 | 470 | 459 | 437 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-on | on | on | on | cross-on | cross-on | on | on | cross-on | on | on | on | on | on | on | cross-on | on | glassy |
High Tide | 1:23AM0.98m | 12:23PM1.51m | 1:09PM1.41m | 2:38PM1.34m | 8:04AM1.10m | 4:32PM1.35m | 7:53AM1.16m | 5:45PM1.44m | 8:01AM1.21m | 6:34PM1.54m | ||||||||||
Low Tide | 7:05PM0.30m | 5:36AM0.78m | 8:21PM0.37m | 10:08PM0.39m | 11:39PM0.32m | 10:40AM1.07m | 00:33AM0.23m | 12:03PM0.97m | 1:10AM0.14m | 12:45PM0.84m | 1:39AM0.08m | |||||||||
 |  | | | | | | | | | | | | | | |  |  | | | |
 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — |
 | 6:54 | — | — | 6:53 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | — | 6:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 20 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 |
Feels °C | 20 | 21 | 20 | 19 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 21 | 20 | 22 | 21 | 20 | 20 | 19 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 14 | SW 14 | SW 13 | SSW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | W 6 | SW 17 | SW 17 | SW 16 |
| kJ | 74 | 51 | 358 | 254 | 371 | 284 | 255 | 268 | 162 | 144 | 116 | 379 | 370 | 375 | 370 | 516 | 66 | 470 | 459 | 437 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | W 8 | W 6 | W 6 | SW 21 | SW 21 | SW 21 | SW 19 | SW 19 | W 5 | W 6 | W 6 | W 6 | W 6 | W 6 | SW 17 | W 7 | W 7 | W 7 |
| kJ | 121 | 121 | 20 | 10 | 5 | 116 | 162 | 153 | 303 | 303 | 20 | 23 | 24 | 22 | 36 | 38 | 429 | 77 | 77 | 44 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | SW 18 | S 9 | S 9 | S 9 | W 12 | S 8 | W 4 | W 5 | S 7 | SW 19 | SSW 13 | SW 13 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 |
| kJ | 149 | 83 | 14 | 13 | 15 | 25 | 12 | 3 | 14 | 4 | 183 | 114 | 82 | 73 | 57 | 57 | 58 | 56 | 55 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | W 12 | — | — | W 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 44 | — | — | 16 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 66 | 0 | 19 | 19 | 0 | 19 | 18 | 18 | 18 | 18 | 2 | 18 | 19 | 5 | 19 | 191 | 17 | 19 | 19 | 0 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Windansea Surf forecast
The above surf forecast table for Windansea provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Windansea can be found by selecting the local surf guide option on the grey menu. Our Windansea 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 (Windansea) 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 Windansea 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.
Windansea is 10 km (6 miles) from San Diego. If you plan a vacation in San Diego County, look for hotels and other accommodation in San Diego. San Diego has rooms for a wide range of budgets as well as car hire and transport links.
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