15th Street Surf Break

Lat Long: 33.00° N 117.28° W

15th Street Surf Forecast and Surf Report

Issued: 4 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's 15th Street sea temperature is
22.6°C
2.5° 

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 27 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 5AM (local time) - 4.5ft (1.3m), 17s period, SSW 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★+): Thursday 27 Aug, 8AM (local time) - 4ft (1.2m), 12s period with S 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 Thursday (Aug 27) at 8AM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.6m and 15s. 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 onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 27th Aug)4ft (1.2m) 12s
Best Surf 5AM (Sat 29th Aug)4.5ft (1.3m) 17s
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 folks, Rusty here. Let's break down what we've got on the table for the next couple of weeks.

We're looking at a pretty long flat spell to kick things off, so don't rush to grab your board just yet. The water is sitting at 73°F right now, which is much warmer than normal for this time of year – a solid 5°F above average, so you might be able to get away with a spring suit or even a shorty.

The first session worth even a second look isn't until Thursday morning, the 27th of August, with 15th Street (beach and reef) showing a small 4ft south swell at 12 seconds. The wind is light and cross-on, but the energy is weak (581) and the surf is described as marginal. It's a beginner-friendly spot but the conditions are just too choppy for anything decent. That flattish, marginal vibe drags on through the end of the month.

Things stay pretty quiet through the weekend and into the first week of September. There's a pulse of energy on the 30th of August – a 4ft south-southwest swell at 16 seconds, with clean offshore west winds at 9 mph on Saturday afternoon. The energy is moderate (863) but the marginal surf forecast tag kills any real excitement. It's a similar story on the 31st – a little 3ft south-southwest swell with a 14-second period, but the wave comment is still poor. We're looking at a solid gap of nothing special until the 3rd of September.

Now, the standout window. Thursday the 3rd of September is where it gets interesting. The morning has a 4ft southwest swell at 14 seconds, with a clean offshore west wind at 9 mph. The energy jumps to strong (1248), and while the tag still says marginal for tide, the afternoon is even better with a 6ft south-southwest swell. That's a bit bigger, starting to push into expert territory, but the wind is clean offshore from the west-northwest. The swell direction is south-southwest, which is a perfect match for what 15th Street likes. This is the best call of the whole outlook – the power is there, the wind is right, and the sets will have some real push.

Beyond that, the 4th and 5th of September have manageable 4ft to 4ft south-southwest swells with periods up to 17 seconds, with light offshore winds, but the energy tails off to moderate (823 to 725). The 9th of September shows a 5ft south-southwest swell, but the cross-on winds will mess it up. A couple of decent mornings in early September, but the 3rd is the real peak.

Bottom line: Don't bother this week. The 3rd of September afternoon is the one to circle – clean, powerful, and a proper south-southwest groundswell. The rest is small, choppy, or just marginal.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 27°C on Fri morning, min 23°C on Thu morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Sat afternoon, min 21°C on Sun night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
0
3
1
1
2
1
1
2
1
1
3
1
1
2
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
S
12
1.2
S
10
1.2
S
12
1.1
S
11
0.7
SSW
18
0.7
SW
16
0.8
SSW
19
1.3
SSW
17
1.1
SSW
16
1.2
SSW
16
1.2
SSW
16
1.1
SSW
15
1
SSW
14
0.9
SSW
14
0.8
SSW
14
1
S
12
0.9
S
11
1.2
S
11
1.2
S
11
1.2
S
12
Wave Graph
Metric surfscale
Energy kJ
517
305
389
274
270
274
470
932
667
733
697
537
400
321
261
285
191
357
350
404
Wind (km/h)
15
WSW
10
SSW
10
SW
10
SW
0
NNW
10
WSW
10
W
5
W
10
WSW
10
W
10
SSW
15
WSW
15
W
5
WSW
10
WSW
10
WSW
5
WNW
10
W
10
W
10
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
glassy
on
on
on
cross-on
on
cross
cross-on
on
glassy
on
cross-on
glassy
on
on
cross
High Tide
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
11:31AM2.01m
11:56PM1.60m
12:05PM2.03m
00:56AM1.39m
Low Tide
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
5:09AM0.64m
6:01PM0.64m
5:33AM0.79m
7:02PM0.65m
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:20
7:19
7:17
7:16
7:15
7:14
 mm
Temp °C
26
25
25
26
25
27
27
25
26
26
24
24
24
22
23
23
22
24
24
23
Feels °C
27
28
27
27
28
29
27
28
27
27
26
24
23
23
23
23
23
23
22
22
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  • 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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