15th Street Surf Break

Lat Long: 33.00° N 117.28° W

15th Street Surf Forecast and Surf Report

Issued: 10 pm 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's 15th Street sea temperature is
22.7°C
2.6° 

15th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


15th Street surf forecast from 25 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 5AM (local time) - 5ft (1.6m), 13s period, S swell with glassy winds.
  • Most powerful swell: Saturday 29 Aug, 2AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 932 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 8AM (local time) - 2.5ft (0.8m), 16s 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 (Aug 25) at 8AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.6m and 13s. 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 1.3m 17s and forecast to arrive on Saturday (Aug 29) at 2AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Tue 25th Aug)2.5ft (0.8m) 16s
Best Surf 5AM (Wed 26th Aug)5ft (1.6m) 13s
Most Powerful 2AM (Sat 29th Aug)4.5ft (1.3m) 17s

Table - best surf conditions forecast for 15th Street over the next 16 days.


The Lowdown

Alright, Rusty here, let’s get into it.

Alright, this forecast for 15th Street has a bit of a slow start, and honestly, most of the first week is pretty mediocre. We’re looking at a long stretch of mostly marginal surf with onshore or cross-onshore winds making things choppy or messy. There’s a bit of swell energy showing up, but the conditions just aren’t there to make it count.

We start on Tuesday the 25th of August with small, clean-ish waves. Swell is coming from the SW at 2ft, but with a long 16-second period. That groundswell has some moderate energy behind it (408), and with light west winds blowing onshore, it might be a bit soft and straight. Water temp is about average for the time of year. Not exactly gonna light your fire.

Wednesday the 26th picks up a bit to 5ft from the S, 12-second period. That’s a moderate energy of 961, but it’s cross-onshore and the report says it’s choppy. A bit of a messy one. This pattern of small surf and iffy wind holds through the rest of the week. By Friday the 28th, we see a tiny 3ft SSW swell with a very long 19-second period. That’s got some energy (698), but with wind on it, it’ll be hard to tap into that long-period power.

The weekend of the 29th and 30th is similar. Swell stays around 3ft to 4ft, with periods over 15 seconds, but the wind keeps it from being clean. The combined swell energy gets into the 900s at times, so there’s push there, but the surface is just not cooperating. This stretch feels like a tease.

From Monday the 31st of August through to Wednesday the 9th of September, it’s a real downtrend. Swell drops below 3ft, and the reports keep calling it “poor.” The combined energy dips into the low hundreds and even below 300. There’s an uptick on Friday the 4th of September, with a 4ft SSW groundswell and a 17-second period. The energy hits 989, which is solid moderate, and the wind is onshore from the west at 9 mph. That could be the pick of the second week, but it’s a long way out and I’d call it promising but not a lock. The surf quality still gets marked as marginal.

The standout? Honestly, there isn’t a true standout session here. The best you’ll get is probably Friday the 4th of September. The swell is 4ft from the SSW, period at 17 seconds, and combined energy is high at 989. If that wind stays a light onshore, it might shape up a bit. But it's a long-range call and the overall stamp is just "marginal." Don’t get your hopes up too high, mate.

Since it’s picking up a bit of energy at times, I wouldn’t rule out a kite surfer having more fun than a paddle surfer on the windier days. The beach-and-reef setup might be more interesting for them.

So, for the next two weeks, 15th Street is more about waiting for a proper clean window than scoring anything memorable. The breaks are small, the wind is a pain, and the consistency is poor. It’s a bit of a bleak run, but that’s the area sometimes. Forecasts change.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Tue afternoon, min 22°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Fri morning, min 22°C on Sat night). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
2
3
1
1
2
2
0
3
0
1
4
1
1
2
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
17
0.7
SW
16
0.9
S
13
1.5
S
13
1.5
S
12
1.5
S
12
1.3
S
11
1.2
S
11
1.1
S
11
0.7
SSW
18
0.7
SW
16
0.8
SSW
19
1.3
SSW
17
1
SSW
16
1.3
SSW
16
1.2
SSW
16
1.1
SSW
15
1
SSW
14
1
SSW
14
Wave Graph
Metric surfscale
Energy kJ
330
264
285
784
638
625
387
357
274
270
274
465
932
566
788
697
537
437
389
Wind (km/h)
0
W
10
W
10
WSW
5
SW
15
SW
15
SSW
5
S
10
WSW
10
WSW
0
SW
10
WNW
10
WNW
5
WSW
10
WSW
10
W
10
SW
15
SW
10
WSW
5
SW
Wind State
glassy
on
on
glassy
cross-on
cross-on
cross
cross-on
cross-on
glassy
on
on
glassy
on
on
cross-on
cross-on
on
cross-on
High Tide
9:15AM1.61m
8:10PM2.17m
9:34AM1.68m
8:44PM2.19m
9:54AM1.75m
9:18PM2.17m
10:16AM1.83m
9:52PM2.09m
10:38AM1.90m
10:29PM1.96m
11:03AM1.97m
11:09PM1.79m
Low Tide
2:45AM0.28m
2:05PM1.04m
3:11AM0.24m
2:39PM0.94m
3:35AM0.25m
3:14PM0.84m
3:59AM0.29m
3:51PM0.76m
4:22AM0.38m
4:30PM0.69m
4:46AM0.50m
5:12PM0.65m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:20
6:20
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:20
7:19
7:17
7:16
 mm
Temp °C
23
25
26
24
26
26
24
25
25
24
26
26
25
26
25
23
24
24
22
Feels °C
27
27
27
26
26
26
25
26
25
26
26
26
27
27
25
25
24
23
23
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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