13th Street Surf Break

Lat Long: 33.72° N 118.08° W

13th Street Surf Forecast and Surf Report

Issued: 10 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's 13th Street sea temperature is
22.2°C
2.9° 

13th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


13th Street surf forecast from 26 Aug 2026:

  • Best quality surf: Friday 28 Aug, 8AM (local time) - 2.5ft (0.7m), 17s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 29 Aug, 2AM (local time) - 3.5ft (1.0m), 18s period, SSW swell with 582 kJ wave energy.
  • Next surfable swell (1★+): Friday 28 Aug, 5AM (local time) - 2ft (0.6m), 18s period with SSW swell.

Best Forecast Surf Conditions for 13th Street this week:

The surf forecast for 13th Street over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 5AM. The primary swell is predicted to be 0.6m and 18s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at 13th Street in the next 16 days are 1.0m 18s and forecast to arrive on Saturday (Aug 29) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 13s period and expected on Wednesday (Aug 26) at 8AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 28th Aug)2ft (0.6m) 18s
Best Surf 8AM (Fri 28th Aug)2.5ft (0.7m) 17s
Most Powerful 2AM (Sat 29th Aug)3.5ft (1.0m) 18s

Table - best surf conditions forecast for 13th Street over the next 16 days.


The Lowdown

Alright, let’s get real about the next couple of weeks at 13th Street. It’s a bit of a scratchy run for most of it, to be honest. We’ve got a lot of small, weak energy and messy winds before things finally line up for a proper session.

The early part, starting Wednesday the 26th, is pretty grim. Swell is tiny, around 2ft to 2ft and the wind is cross-onshore, which is going to leave it lumpy and gutless. The energy is weak, between 130 and 186. Not worth getting wet.

Thursday the 27th through the weekend into early next week stays poor. We’re seeing minimal swell, often under 3ft, with periods that are sometimes short and weak. On Friday the 28th there’s a tiny bump to 2ft from the SSW with a 19-second period in the morning, but the energy is still moderate at best (345 in the morning) and the winds are onshore or cross-onshore. It’s just not going to have any push. Saturday the 29th has a touch more size at 3ft to 3ft with a 16 to 17-second period, energy in the 500s, but again, the wind is spoiling it. It’s a similar story through Sunday and Monday. There’s some energy around, but the quality is just poor. It’s a real test of patience. We’re looking at a whole week with nothing that you’d want to paddle out for.

Now, I’m not going to get too excited, but there is a glimmer on the morning of Thursday the 3rd of September. We finally get a bit of size – 5ft of SSW swell with a 12-second period. But the big one is the wind: it’s glassy. The energy jumps up to 716, which is the strongest we’ve seen. This is your standout window. The conditions look like they could be really clean for a few hours. It’s still a beach break, and the period is moderate (12 seconds), so it might not have the most incredible shape, but that glassy surface is going to make it look a million bucks compared to the last week. The water temp is pretty average for this time of year, so it’s not going to be a huge factor.

After that brief tease, it goes back to the grind. Friday the 4th and the rest of the second week are full of cross-onshore winds and moderate breezes, with the swell dropping back to the 3ft to 3ft range. There’s some energy with periods around 15-17 seconds, but the wind is just going to chop it up. Honestly, after that one morning, there’s nothing else that’s worth getting too amped about. It’s a long, flat, and messy outlook.

I’ll be honest with ya, keep your eye on that Thursday morning. It’s the only true stand-out on offer. For a stretch like this, one good session is all you can ask for.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 29°C on Fri afternoon, min 23°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Sat morning, min 20°C on Sun night). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
16
0.6
SW
16
0.5
SW
16
0.5
SW
15
0.5
W
6
0.4
SW
14
0.6
SSW
18
0.7
SSW
19
0.7
SSW
19
1
SSW
18
0.9
SSW
17
1
SSW
16
1
SSW
16
0.9
SSW
15
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.6
SSW
13
0.4
SW
13
Wave Graph
Metric surfscale
Energy kJ
124
159
119
104
18
74
204
312
329
582
453
493
469
344
239
233
178
120
45
Wind (km/h)
5
SSW
10
S
20
S
10
SSE
10
SSE
10
SW
5
SSE
15
WSW
15
SW
10
SSE
10
SSW
15
WSW
10
S
15
S
15
SW
10
S
10
S
15
SW
5
SSW
Wind State
glassy
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
cross
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
on
High Tide
8:15PM2.19m
9:41AM1.69m
8:49PM2.21m
10:01AM1.76m
9:23PM2.18m
10:23AM1.84m
9:58PM2.10m
10:45AM1.91m
10:36PM1.97m
11:10AM1.98m
11:16PM1.80m
11:39AM2.03m
00:03AM1.60m
Low Tide
3:17AM0.24m
2:45PM0.96m
3:42AM0.25m
3:20PM0.86m
4:06AM0.30m
3:57PM0.78m
4:29AM0.38m
4:36PM0.71m
4:52AM0.50m
5:20PM0.66m
5:16AM0.65m
6:09PM0.64m
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:22
6:22
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:25
7:23
7:22
7:22
7:20
7:19
 mm
Temp °C
24
26
27
27
26
26
25
27
29
26
27
27
24
24
24
21
22
22
21
Feels °C
26
27
28
29
27
27
27
27
29
27
28
27
25
24
23
21
22
20
20
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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 13th Street Surf forecast

The above surf forecast table for 13th Street provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 13th Street can be found by selecting the local surf guide option on the grey menu. Our 13th 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 (13th 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 13th 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.

13th Street is 3 km (2 miles) from the city of Seal Beach. If you plan a vacation in Orange County, look for hotels and other accommodation in Seal Beach. Seal Beach has rooms for a wide range of budgets as well as car hire and transport links.

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