Surf Forecasts:
13th Street surf forecast from 4 Sep 2026:
- Best quality surf: Monday 7 Sep, 8AM (local time) - 4.5ft (1.3m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 5PM (local time) - 6ft (1.8m), 13s period, SSW swell with 1,127 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 2AM (local time) - 3ft (0.9m), 16s 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 Saturday (Sep 05) at 2AM. The primary swell is predicted to be 0.9m and 16s 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 1.8m 13s and forecast to arrive on Monday (Sep 07) 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 1.9m 14s period and expected on Sunday (Sep 06) at 8PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 5th Sep) | 3ft (0.9m) 16s |
| Best Surf | 8AM (Mon 7th Sep) | 4.5ft (1.3m) 14s |
| Most Powerful | 5PM (Mon 7th Sep) | 6ft (1.8m) 13s |
Table - best surf conditions forecast for 13th Street over the next 16 days.
The Lowdown
Alright, gather ‘round. Rusty’s here, and I’m not gonna sugarcoat it: this 16-day outlook for 13th Street is a real bummer. There’s a whole lot of nothing happening, and the first decent wave is a long way off. The water’s sitting at 73°, which is over 6° warmer than usual – that’s a real freak of nature for this time of year.
The first few days are a total wash. Friday, September 4th, is blown out with cross-on wind and chop. Saturday the 5th is the same story. Sunday the 6th has a tiny 1-foot wave with offshore wind, but it’s too small to even paddle for. Monday the 7th brings a 6-foot swell, but it’s howling cross-on at 12 mph, turning it into a messy, choppy nightmare – that’s a kite-surfing day, not a paddling day.
The one and only highlight in this whole mess is Tuesday morning, September 8th. The swell is 5 feet from the SSW, with a solid 12-second period, so it’s got some real power (729 energy). The wind is light and onshore, but it’s clean enough to be rideable. For an advanced surfer, this is your best shot. The break is inconsistent, so there will be lulls, but those long-period waves will have some grunt. It’s not a beginner wave at that size.
After that, it’s a long, slow grind. From Wednesday the 9th all the way through the end, it’s tiny swell, onshore wind, and poor surf. The wind never sets up right for this WNW-exposed spot. The swell direction is all wrong, too.
So, the bottom line: if you’re an advanced surfer and you’re jonesing, Tuesday the 8th is your only real window. Otherwise, it’s a two-week stretch of flat, blown-out, or just plain ugly surf. A tough run, but that’s the reality.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Sun morning. Warm (max 24°C on Sat afternoon, min 20°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Wed afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WSW 10 | W 11 | SSW 15 | W 5 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 11 | SSW 10 | SSW 16 | SW 17 | SW 17 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 360 | 427 | 397 | 387 | 314 | 362 | 19 | 58 | 392 | 14 | 1127 | 875 | 666 | 604 | 349 | 198 | 181 | 235 | 342 | 310 | 295 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | on | on | cross-on | off | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 3:18PM2.01m | 7:16AM1.39m | 4:50PM2.06m | 7:46AM1.52m | 6:05PM2.17m | 8:14AM1.65m | 7:04PM2.26m | 8:42AM1.77m | 7:56PM2.31m | 9:11AM1.89m | 8:42PM2.30m | 9:39AM1.99m | 9:26PM2.21m | ||||||||
Low Tide | 11:41PM0.45m | 10:05AM1.33m | 00:44AM0.29m | 11:53AM1.25m | 1:32AM0.17m | 12:59PM1.09m | 2:12AM0.11m | 1:52PM0.92m | 2:48AM0.10m | 2:39PM0.76m | 3:21AM0.17m | 3:23PM0.62m | 3:52AM0.28m | ||||||||
 | |  | | |  |  |  | | | | | |  | | | | | | | | |
 | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — |
 | — | 7:14 | — | — | 7:12 | — | — | 7:10 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:06 | — |
mm | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 21 | 23 | 24 | 24 | 23 | 24 | 24 | 26 | 27 | 24 | 26 | 27 | 25 | 26 | 29 | 26 | 25 | 25 | 24 |
Feels °C | 20 | 19 | 21 | 23 | 23 | 24 | 23 | 26 | 25 | 26 | 25 | 22 | 24 | 24 | 23 | 25 | 27 | 26 | 25 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSE 13 | SSE 13 | S 14 | S 13 | S 14 | S 14 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SW 17 | SW 16 | SW 16 |
| kJ | 360 | 427 | 458 | 617 | 836 | 782 | 1083 | 1267 | 747 | 1155 | 1127 | 875 | 666 | 604 | 349 | 198 | 157 | 141 | 342 | 310 | 295 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WSW 10 | W 11 | SSW 15 | SW 10 | — | WNW 10 | SW 18 | SW 18 | SW 16 | SW 16 | SSW 16 | SW 17 | SW 9 | SW 12 | SW 10 |
| kJ | 151 | 140 | 397 | 387 | 314 | 362 | 19 | 37 | 392 | 4 | — | 19 | 49 | 50 | 94 | 127 | 181 | 235 | 67 | 137 | 96 |
Swell 3 Height (m) Direction Period (s) | W 5 | S 15 | SW 11 | SW 12 | SW 12 | SW 11 | W 12 | W 12 | — | W 11 | — | — | W 10 | SW 22 | W 12 | SW 19 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
| kJ | 13 | 113 | 61 | 67 | 67 | 29 | 3 | 3 | — | 2 | — | — | 8 | 18 | 3 | 96 | 30 | 48 | 47 | 46 | 22 |
Wind waves Height (m) Direction Period (s) | — | W 5 | — | — | — | — | — | W 11 | W 10 | W 5 | WNW 5 | — | WNW 4 | WNW 3 | W 4 | W 4 | W 4 | W 4 | WNW 4 | W 4 | W 4 |
| kJ | — | 7 | — | — | — | — | — | 58 | 33 | 14 | 22 | — | 6 | 3 | 9 | 3 | 11 | 9 | 3 | 9 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 30 | 93 | 0 | 19 | 93 | 19 | 0 | 0 | 17 | 23 | 93 | 35 | 93 | 141 | 48 | 47 | 47 | 30 | 31 | 141 | 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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