Surf Forecasts:
15th Street surf forecast from 15 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 8AM (local time) - 3ft (0.9m), 17s period, SSW swell with glassy winds.
- Most powerful swell: Monday 21 Sep, 11AM (local time) - 3.5ft (1.0m), 17s period, SW swell with 553 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 5AM (local time) - 2ft (0.6m), 17s period with SW swell.
Best Forecast Surf Conditions for 15th Street this week:
The surf forecast for 15th Street over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 5AM. The primary swell is predicted to be 0.6m and 17s period with a secondary swell of 0.8m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at 15th Street in the next 16 days are 1.0m 17s and forecast to arrive on Monday (Sep 21) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 15th Sep) | 2ft (0.6m) 17s |
| Best Surf | 8AM (Wed 16th Sep) | 3ft (0.9m) 17s |
| Most Powerful | 11AM (Mon 21st Sep) | 3.5ft (1.0m) 17s |
Table - best surf conditions forecast for 15th Street over the next 16 days.
The Lowdown
Alright, Rusty here. Let's talk about what we've got for the next couple of weeks.
Honestly, it's a pretty bleak run. The water's a staggering 73°F, which is much warmer than usual for this time of year, but that’s about the only thing to get excited about. We're looking at a long, dry stretch with barely anything rideable.
The first glimmer of something, and I mean a *glimmer*, shows up on Wednesday the 16th. Even then, it's marginal at best with some 3ft swell from the SSW. The wind is light and from the WSW, so it's cross-onshore, which isn't ideal but keeps it from being total chop. The combined energy is moderate (522). It's not worth paddling out for unless you're desperate for a splash.
Things stay pretty flat and poor right through the end of the month. We get a bit of a bump around the 20th and 21st, with swell heights creeping up to 3ft to 4ft from the SW, and the wave energy climbs into the moderate 600s and 700s. But the wind is still cross-onshore, so it'll be choppy and messy. Not the kind of surf you tell your mates about.
15th Street is our only real option here, and it's a consistent beginner-friendly beach and reef setup that's exposed to the swell. But with the swell coming from the WSW and the wind mostly cross-onshore or onshore, it's going to be a frustrating session for most. The best bet might be the morning of Thursday the 17th, with 3ft swell from the SSW and a light onshore wind, but even that is marginal. The wave energy is moderate (512).
The real kicker? There's nothing for over a week that you'd call good. The second week is just more of the same: small, weak swell and unfriendly wind. For a spot that's usually consistent, this is a rough patch. You're better off checking the forecasts again in a few days. Things have to turn around eventually.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Mon afternoon, min 19°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Fri afternoon, min 19°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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) | W 8 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 149 | 192 | 188 | 163 | 157 | 157 | 475 | 339 | 291 | 284 | 246 | 242 | 303 | 303 | 299 | 379 | 375 | 375 | 522 | 522 | 499 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | glassy | cross-on | on | glassy | on | on | glassy | on | on | cross-on | on | on | glassy | cross-on | cross-on | glassy |
High Tide | 11:23AM2.06m | 00:17AM1.49m | 11:52AM1.99m | 1:21AM1.32m | 12:26PM1.89m | 3:50AM1.22m | 1:12PM1.79m | 2:34PM1.72m | 8:13AM1.44m | 4:22PM1.72m | 7:53AM1.50m | 5:36PM1.79m | |||||||||
Low Tide | 6:13PM0.56m | 5:23AM0.96m | 7:07PM0.64m | 5:35AM1.11m | 8:21PM0.72m | 5:02AM1.22m | 10:05PM0.74m | 11:35PM0.67m | 10:10AM1.43m | 00:29AM0.57m | 11:54AM1.34m | 1:05AM0.49m | |||||||||
 | |  | | | | | | | | | | | | | | | | | |  | |
 | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — |
 | — | 6:57 | — | — | 6:54 | — | — | 6:53 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 21 | 22 | 22 | 20 | 21 | 21 | 20 | 20 | 20 | 19 | 21 | 22 | 21 | 21 | 21 | 20 | 21 | 21 | 20 |
Feels °C | 21 | 22 | 21 | 22 | 21 | 21 | 21 | 20 | 21 | 20 | 19 | 19 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 10 | W 9 | W 9 | W 9 | W 8 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 19 | SW 19 | W 6 | SW 18 | SW 18 | SW 18 | SW 18 | W 7 | W 7 |
| kJ | 149 | 151 | 99 | 74 | 79 | 50 | 475 | 339 | 291 | 284 | 246 | 242 | 303 | 303 | 41 | 379 | 375 | 375 | 522 | 74 | 107 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | W 7 | W 6 | SW 13 | S 12 | S 12 | SSW 10 | SSW 14 | SSW 13 | SSW 13 | W 6 | W 6 | W 6 | W 7 | SW 18 | SW 17 |
| kJ | 108 | 192 | 188 | 163 | 157 | 157 | 22 | 11 | 85 | 68 | 69 | 80 | 180 | 141 | 184 | 34 | 24 | 37 | 74 | 522 | 499 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SSW 20 | SSW 18 | S 9 | S 9 | SSW 9 | SW 21 | SW 21 | SW 21 | W 5 | S 8 | SW 19 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 12 | S 12 |
| kJ | 84 | 38 | 38 | 37 | 127 | 110 | 25 | 24 | 29 | 160 | 160 | 212 | 15 | 12 | 299 | 137 | 93 | 57 | 56 | 76 | 77 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WNW 3 | WNW 3 | — | W 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 24 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 137 | 0 | 37 | 37 | 0 | 36 | 36 | 0 | 37 | 37 | 5 | 37 | 37 | 0 | 37 | 37 | 0 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the 15th Street Surf forecast
The above surf forecast table for 15th Street provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 15th Street can be found by selecting the local surf guide option on the grey menu. Our 15th Street 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 (15th Street) 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 15th Street 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.
15th Street is 5 km (3 miles) from the city of Encinitas. If you plan a vacation in San Diego County, look for hotels and other accommodation in Encinitas. Encinitas has rooms for a wide range of budgets as well as car hire and transport links.
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