Surf Forecasts:
13th Street surf forecast from 21 Jul 2026:
- Best quality surf: Saturday 25 Jul, 5AM (local time) - 3ft (0.9m), 21s period, SW swell with glassy winds.
- Most powerful swell: Monday 27 Jul, 5PM (local time) - 3.5ft (1.0m), 19s period, SSW swell with 727 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 8AM (local time) - 3ft (0.9m), 6s period with W 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 Thursday (Jul 23) at 8AM. The primary swell is predicted to be 0.9m and 6s 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 19s and forecast to arrive on Monday (Jul 27) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 13s period and expected on Thursday (Jul 23) at 8AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 23rd Jul) | 3ft (0.9m) 6s |
| Best Surf | 5AM (Sat 25th Jul) | 3ft (0.9m) 21s |
| Most Powerful | 5PM (Mon 27th Jul) | 3.5ft (1.0m) 19s |
Table - best surf conditions forecast for 13th Street over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it.
First up, the water temp at 13th Street is sitting at 70°F right now, which is a whopping 4°F warmer than usual for this time of year. That’s a real treat, like stepping into a bath compared to what you’d expect.
To be straight with you, the whole 16-day window looks pretty grim. We’re looking at a long stretch of poor to marginal surf. The first few days, from Monday the 20th to Wednesday the 22nd, offer tiny, weak swell. Monday morning sees a 3ft swell from the SSW with a 14-second period, but the wind is cross-onshore, messing it up. The combined energy is only 269 (weak), and the score is a no-go. It’s just not worth paddling out.
We’ve got a gap of several days here with no real recommendations. Thursday the 23rd is a write-off with a 3ft, 6-second short period, sloppy wind swell, and energy dropping to 76 (very weak). Friday and the weekend don’t get any better – the swell stays small, the wind stays onshore or cross-onshore, and the surf is just messy.
The only real glimmer, and I mean the only one, comes on Saturday the 25th in the morning. The swell pushes up to 2ft from the SW with a nice long 21-second period. The combined energy jumps to 755 (moderate), which is the best in the whole forecast. The wind is light and onshore, so it’s not perfect, but it’s the cleanest we’ll see. It’s a marginal call, but if you’re desperate, that’s the window. 13th Street is an advanced, inconsistent break that’s fairly exposed to the WNW, so this long-period groundswell from the SW won’t be breaking perfectly straight—it might have some shape to it here. Just be aware it’s often crowded.
After that, it’s back to the same old story. The rest of the week into August is a series of poor conditions with small, weak swell and cross-onshore winds. The energy fades right out, dropping to 36 (very weak) by Sunday the 2nd of August. There’s nothing to get excited about. For an area where the breaks are inconsistent, this kind of blank run isn’t unusual. Forecasts can change, but for now, don’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 20°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sat afternoon, min 21°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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) | SSW 14 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | W 6 | SW 26 | W 7 | SSW 24 | SSW 24 | SW 21 | SW 21 | SW 21 | SSW 19 | SSW 19 | SW 18 | SW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 261 | 203 | 232 | 397 | 259 | 362 | 268 | 236 | 178 | 45 | 105 | 131 | 368 | 217 | 467 | 467 | 355 | 657 | 480 | 470 | 455 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:08PM1.90m | 3:45AM1.30m | 3:59PM1.91m | 5:56AM1.25m | 4:52PM1.92m | 7:42AM1.31m | 5:46PM1.96m | 8:36AM1.39m | 6:34PM2.02m | 9:08AM1.45m | 7:18PM2.09m | 9:34AM1.50m | 7:57PM2.17m | ||||||||
Low Tide | 8:10AM0.80m | 10:13PM0.88m | 8:48AM0.99m | 11:40PM0.77m | 9:38AM1.14m | 00:48AM0.63m | 10:51AM1.24m | 1:36AM0.51m | 12:04PM1.27m | 2:16AM0.40m | 1:00PM1.25m | 2:50AM0.31m | 1:43PM1.20m | 3:22AM0.24m | |||||||
 |  |  |  | | | | | | | | | | |  | | | | | | | |
 | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:58 | — | — | 7:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 22 | 23 | 24 | 23 | 23 | 25 | 23 | 24 | 25 | 23 | 24 | 25 | 23 | 25 | 27 | 24 | 25 | 24 | 22 |
Feels °C | 24 | 23 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 25 | 24 | 23 | 25 | 25 | 24 | 25 | 26 | 24 | 25 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | S 15 | S 14 | S 13 | S 14 | S 13 | S 13 | S 12 | S 13 | SSW 12 | SSW 12 | SSW 19 | SSW 19 | SW 18 | SW 18 |
| kJ | 182 | 188 | 96 | 397 | 259 | 362 | 268 | 272 | 635 | 769 | 372 | 590 | 398 | 371 | 334 | 246 | 176 | 657 | 480 | 470 | 455 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SW 16 | SSW 16 | S 10 | SSW 12 | S 8 | W 5 | SSW 14 | W 6 | W 6 | S 12 | W 7 | W 6 | W 6 | SW 21 | SW 21 | SW 21 | SSW 12 | SSW 11 | SSW 11 | W 6 |
| kJ | 261 | 203 | 232 | 67 | 137 | 19 | 20 | 236 | 94 | 45 | 232 | 131 | 50 | 35 | 467 | 467 | 355 | 158 | 105 | 105 | 26 |
Swell 3 Height (m) Direction Period (s) | W 5 | W 5 | SSW 13 | SSE 14 | SSE 12 | SW 8 | SSE 16 | SW 7 | SSW 14 | WSW 18 | SW 26 | SSW 26 | SSW 24 | SSW 24 | W 6 | W 7 | W 6 | W 6 | W 6 | SSE 10 | SSW 11 |
| kJ | 8 | 4 | 67 | 40 | 30 | 18 | 84 | 14 | 178 | 31 | 105 | 66 | 368 | 217 | 27 | 42 | 29 | 27 | 27 | 22 | 46 |
Wind waves Height (m) Direction Period (s) | — | WNW 5 | W 4 | — | W 4 | W 4 | — | W 5 | WNW 6 | — | W 5 | — | — | — | — | — | — | — | — | W 6 | — |
| kJ | — | 8 | 3 | — | 5 | 9 | — | 34 | 95 | — | 58 | — | — | — | — | — | — | — | — | 18 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 31 | 93 | 30 | 31 | 98 | 30 | 27 | 141 | 30 | 93 | 104 | 30 | 31 | 141 | 6 | 93 | 104 | 30 | 31 | 31 | 30 |
Best forecast wave conditions in Orange County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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