Surf Forecasts:
13th Street surf forecast from 18 Jul 2026:
- Best quality surf: Monday 20 Jul, 2AM (local time) - 3ft (0.9m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Tuesday 21 Jul, 11AM (local time) - 4ft (1.2m), 16s period, SSW swell with 679 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 8AM (local time) - 2ft (0.6m), 16s period with SW 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 Sunday (Jul 19) at 8AM. The primary swell is predicted to be 0.6m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at 13th Street in the next 16 days are 1.2m 16s and forecast to arrive on Tuesday (Jul 21) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 12s period and expected on Sunday (Jul 19) at 11PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 19th Jul) | 2ft (0.6m) 16s |
| Best Surf | 2AM (Mon 20th Jul) | 3ft (0.9m) 14s |
| Most Powerful | 11AM (Tue 21st Jul) | 4ft (1.2m) 16s |
Table - best surf conditions forecast for 13th Street over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s be straight – 13th Street isn’t giving us much to work with over the next 16 days. The whole window is pretty flat, with nothing that really gets the heart pumping. The first few days are just dead – no surf worth paddling out for. You’re looking at a gap of about a week before anything even hints at a wave. The water’s sitting at 69°, which is a touch warmer than usual for this time of year, but that’s about the only good news.
From Friday 17 July right through to Saturday 25 July morning, it’s all poor surf conditions – tiny swells, mostly cross-onshore or onshore wind, and the energy is weak. Around Saturday 25 July morning, things nudge up just a little: a 2ft SSW swell, period 21 seconds, and combined energy of 743 (moderate). The wind is light from the SSW, so it’s onshore, but light. Still, it’s only marginal – the forecast says “marginal surf forecast or questionable tide conditions.” That’s the best we’ve got. The swell direction is SSW, not the optimum WNW for this spot, so it’s not lining up perfectly. The break is inconsistent and only for advanced surfers, so even if you’re keen, the crowd factor is often there.
The next few days (Sunday 26 July to Tuesday 28 July) see a slow build. Tuesday 28 July morning has the biggest swell of the whole outlook: 4ft SSW, period 17 seconds, combined energy 1066 (strong). Wind is light SW, onshore again. That’s a bit of a lump, but with onshore wind and a period that’s moderate, it’s not going to be clean. The energy is there, but the quality won’t match. After that, it drops off again into the first week of August, with tiny swells and weak energy. No standout days.
If you’re desperate, the best chance is around Tuesday 28 July morning, but only if you’re an expert and can handle inconsistent, onshore slop. Otherwise, this stretch is a write-off. Forecasts can change, but as it stands, 13th Street isn’t worth the drive.
Rusty
Short Range ForecastMostly dry. Warm (max 24°C on Mon morning, min 20°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Mon afternoon, min 21°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
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) | SW 14 | SW 15 | SW 18 | SW 18 | SW 16 | SW 17 | SW 17 | SSW 14 | SSW 12 | SSW 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 74 | 77 | 246 | 201 | 66 | 232 | 243 | 303 | 404 | 370 | 232 | 679 | 291 | 362 | 268 | 236 | 178 | 163 | 141 | 143 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | on | on | glassy | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 00:11AM2.03m | 1:37PM1.86m | 1:05AM1.75m | 2:21PM1.88m | 2:10AM1.49m | 3:08PM1.90m | 3:45AM1.30m | 3:59PM1.91m | 5:56AM1.25m | 4:52PM1.92m | 7:42AM1.31m | 5:46PM1.96m | ||||||||
Low Tide | 6:18PM0.95m | 6:58AM0.36m | 7:25PM0.96m | 7:34AM0.58m | 8:43PM0.94m | 8:10AM0.80m | 10:13PM0.88m | 8:48AM0.99m | 11:40PM0.77m | 9:38AM1.14m | 00:48AM0.63m | 10:51AM1.24m | 1:36AM0.51m | |||||||
 |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — |
 | 8:01 | — | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 22 | 23 | 22 | 22 | 23 | 21 | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 25 | 24 | 23 | 25 | 23 |
Feels °C | 22 | 22 | 22 | 22 | 23 | 22 | 22 | 21 | 24 | 24 | 23 | 23 | 23 | 22 | 24 | 24 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | W 7 | SW 15 | SW 18 | S 12 | S 11 | S 10 | S 12 | S 12 | SSW 12 | SSW 11 | S 10 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 13 | SSE 13 | S 13 | W 6 |
| kJ | 23 | 77 | 246 | 98 | 112 | 138 | 193 | 325 | 404 | 370 | 125 | 679 | 291 | 362 | 268 | 236 | 218 | 299 | 272 | 61 |
Swell 2 Height (m) Direction Period (s) | SW 14 | W 6 | S 12 | SW 18 | SW 16 | SW 17 | S 10 | SSW 14 | W 5 | SSE 14 | SSW 16 | SSE 14 | S 9 | SSW 9 | S 14 | SSE 14 | SSW 14 | W 6 | SSW 13 | S 12 |
| kJ | 74 | 9 | 69 | 201 | 66 | 232 | 127 | 303 | 4 | 37 | 232 | 40 | 39 | 31 | 107 | 218 | 178 | 46 | 141 | 177 |
Swell 3 Height (m) Direction Period (s) | SW 18 | S 12 | WSW 6 | W 6 | WNW 16 | S 14 | SW 17 | WNW 15 | SSE 14 | SSW 20 | SSW 13 | W 4 | SW 11 | S 8 | S 8 | SW 7 | SW 7 | SSW 14 | SW 26 | SSW 14 |
| kJ | 51 | 42 | 12 | 6 | 48 | 91 | 243 | 42 | 40 | 37 | 113 | 1 | 46 | 22 | 20 | 14 | 12 | 163 | 105 | 143 |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | — | — | — | — | W 5 | — | — | W 4 | — | — | W 3 | W 4 | W 4 | WNW 4 | W 6 | W 6 | W 6 | — |
| kJ | 1 | — | — | — | — | — | 5 | — | — | 3 | — | — | 4 | 12 | 13 | 34 | 50 | 67 | 58 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 30 | 30 | 30 | 141 | 31 | 30 | 93 | 0 | 141 | 141 | 30 | 31 | 141 | 40 | 98 | 141 | 46 | 93 | 141 | 21 |
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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