Surf Forecasts:
15th Street surf forecast from 2 Sep 2026:
- Best quality surf: Saturday 5 Sep, 8AM (local time) - 5ft (1.5m), 14s period, S swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 5AM (local time) - 8ft (2.5m), 14s period, SSW swell with 2,725 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 8AM (local time) - 2.5ft (0.7m), 13s period with SSW 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 Wednesday (Sep 02) at 8AM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.8m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at 15th Street in the next 16 days are 2.5m 14s and forecast to arrive on Monday (Sep 07) at 5AM. 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+) | 8AM (Wed 2nd Sep) | 2.5ft (0.7m) 13s |
| Best Surf | 8AM (Sat 5th Sep) | 5ft (1.5m) 14s |
| Most Powerful | 5AM (Mon 7th Sep) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for 15th Street over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down for 15th Street.
Water temp is about what you’d expect for this time of year, nothing special. The start of the outlook is a dead loss. Wednesday and Thursday, the 2nd and 3rd, are poor – onshore wind, tiny swell, wave energy barely hitting 400. Don’t waste your gas. Friday the 4th is still borderline, with 1.0m to 1.1m from the SSW and a cross-onshore breeze. Saturday the 5th shows a bit more size, 1.4m to 1.5m from the south, but it’s still messy with light cross-onshore wind.
Sunday the 6th keeps the marginal vibe with 1.9m to 2.2m S swell, but the wind is cross-shore and the energy climbs to 1988 – still not clean.
Now, the real deal – Monday morning the 7th of September. Swell jumps to 2.5m from the SSW, 14-second period, and the wind goes light and cross-offshore from the NE. It’s clean. Wave energy is strong at 2650. That’s a session for the experienced crew only – that height is serious. The long period will give it plenty of punch at this beach-and-reef setup. Crowds are often a problem, so get there early. The afternoon sees the wind turn onshore and quality drops off.
From Tuesday the 8th onward, it’s a fade. Swell shrinks, wind goes cross-onshore, and energy drops below 600 by midweek. The entire second week is quiet – waist-high or smaller, mostly onshore wind, and only a ghost of a swell with a crazy 23-second period on the 17th but only 0.4m. That’s a long gap of nothing after the 7th.
If you’re experienced, Monday the 7th is your golden hour. The rest is a flat spell or just washing your board.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Wed morning, min 19°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Sun morning. Warm (max 25°C on Mon afternoon, min 21°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
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) | SW 16 | SSW 13 | SW 17 | SW 15 | SW 18 | SSW 18 | SW 17 | SSW 16 | SSW 16 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | SSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 132 | 242 | 295 | 239 | 455 | 651 | 640 | 559 | 674 | 1057 | 1231 | 1509 | 1754 | 1788 | 2410 | 2386 | 1930 | 1659 | 1289 | 950 | 511 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | on | on | glassy | cross-on | on | cross | cross-on | glassy | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:47PM2.02m | 2:38AM1.23m | 1:47PM1.99m | 6:09AM1.25m | 3:12PM1.98m | 7:12AM1.38m | 4:45PM2.04m | 7:40AM1.51m | 6:00PM2.14m | 8:08AM1.64m | 7:00PM2.24m | 8:36AM1.76m | 7:50PM2.29m | ||||||||
Low Tide | 8:22PM0.65m | 6:23AM1.10m | 10:06PM0.60m | 6:57AM1.24m | 11:36PM0.46m | 10:00AM1.32m | 00:39AM0.30m | 11:49AM1.23m | 1:26AM0.18m | 12:55PM1.08m | 2:06AM0.11m | 1:47PM0.90m | 2:42AM0.11m | ||||||||
 | |  | | | | | | |  | |  |  | |  | | | | | |  | |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | 7:13 | — | — | 7:10 | — | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:06 | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 4 | 3 | 1 | — | — | — | — |
Temp °C | 22 | 22 | 21 | 22 | 22 | 20 | 22 | 22 | 21 | 24 | 24 | 23 | 23 | 24 | 24 | 22 | 25 | 24 | 26 | 25 | 24 |
Feels °C | 22 | 21 | 20 | 22 | 20 | 20 | 22 | 21 | 22 | 23 | 24 | 23 | 24 | 25 | 26 | 24 | 25 | 25 | 27 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | W 6 | SSW 13 | W 6 | WNW 6 | SW 18 | SSW 18 | SW 17 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | SSW 11 |
| kJ | 46 | 242 | 54 | 66 | 455 | 651 | 640 | 423 | 593 | 1057 | 1231 | 1509 | 1754 | 1788 | 2410 | 2386 | 1930 | 1659 | 1289 | 950 | 511 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | W 6 | SSW 12 | SSW 11 | SSW 10 | W 6 | SSE 16 | SSW 16 | SSW 16 | SSW 16 | SW 15 | WSW 10 | SW 20 | WSW 9 | W 10 | — | W 11 | — | SW 18 | SW 18 | SW 16 |
| kJ | 74 | 33 | 199 | 138 | 55 | 40 | 320 | 559 | 674 | 512 | 335 | 33 | 15 | 17 | 8 | — | 2 | — | 111 | 81 | 129 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 17 | SW 15 | SW 12 | SW 11 | WNW 6 | SW 13 | WNW 5 | WSW 11 | WSW 11 | W 13 | — | W 12 | — | — | — | — | SSW 21 | SW 21 | SSW 13 |
| kJ | 132 | 129 | 295 | 239 | 72 | 61 | 39 | 108 | 7 | 71 | 65 | 14 | — | 11 | — | — | — | — | 44 | 18 | 59 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 6 | — | — | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 33 | — | — | 23 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 15 | 36 | 37 | 0 | 36 | 37 | 0 | 37 | 37 | 2 | 36 | 37 | 17 | 20 | 2 | 0 | 0 | 20 | 14 | 36 | 37 |
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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