Surf Forecasts:
Surfside Jetty surf forecast from 28 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, 8AM (local time) - 2.5ft (0.7m), 17s period with SSW swell.
Best Forecast Surf Conditions for Surfside Jetty this week:
The surf forecast for Surfside Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 8AM. The primary swell is predicted to be 0.7m and 17s period with a secondary swell of 0.7m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Surfside Jetty 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-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 13s period and expected on Monday (Aug 31) at 5AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Fri 28th Aug) | 2.5ft (0.7m) 17s |
| 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 Surfside Jetty over the next 16 days.
The Lowdown
Alright, let’s get into it. Surfside Jetty's in for a rough stretch, I gotta be honest. The data's clear: this is a period of persistent onshore and cross-onshore winds, and a lot of the swell just doesn't line up right. The combined wave energy is moderate for the opening days, but it's messy. The water temp is about average for the time of year.
The first proper window doesn't really open up until the morning of September 7th. After more than a week of "poor surf conditions" every single session, Monday the 7th morning delivers a brief moment of hope. The wind goes glassy—that's a huge deal. We've got a 2ft swell from the SSW, period of 16 seconds, so it's a long-period groundswell. The energy is weak, but for a spot that's been hammered, that glassy window is the standout. It'll be small, clean, and rideable, but with that long period, it might break a bit straight at this beach setup. Better for the longboard.
Now, the bigger swell kicks in around September 8th and 9th. Tuesday the 8th morning sees the swell jump to 4ft from the S, but the wind is onshore. The real size comes on Wednesday the 9th morning: 6ft from the S. That's a solid, powerful swell, but again the wind is onshore. It’s too big and too blown out for a good session; honestly, with that wind direction and size, this break looks more interesting for kite surfing than paddle surfing on the afternoon of the 8th and 9th, when the swell tops 6ft and the wind is up. That kind of size with onshore wind is for the experts only, if anyone, and it won't be pretty.
So, to sum it up: the only true standout is that glassy morning on September 7th. It’s your best bet for a clean, if small, wave. Everything else in the entire 16-day run is compromised by the wind.
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Tue afternoon, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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 18 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 10 | S 11 | S 12 | S 12 | S 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 204 | 312 | 329 | 582 | 453 | 493 | 469 | 344 | 239 | 233 | 178 | 147 | 101 | 106 | 233 | 235 | 314 | 314 | 313 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | cross-on | on | on | on | on |
High Tide | 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 | 12:12PM2.05m | 1:05AM1.40m | 12:55PM2.04m | 2:49AM1.24m | ||||||
Low Tide | 4:06AM0.30m | 3:57PM0.78m | 4:29AM0.38m | 4:36PM0.71m | 4:52AM0.50m | 5:20PM0.66m | 5:16AM0.65m | 6:09PM0.64m | 5:40AM0.80m | 7:10PM0.65m | 6:04AM0.96m | 8:30PM0.65m | |||||||
 |  | |  | | | | | | | | | | | | | | | | |
 | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — |
 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:19 | — | — | 7:17 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 27 | 28 | 26 | 27 | 27 | 25 | 24 | 25 | 22 | 23 | 23 | 22 | 24 | 25 | 24 | 24 | 25 | 24 |
Feels °C | 28 | 29 | 29 | 28 | 28 | 27 | 26 | 24 | 24 | 22 | 22 | 21 | 21 | 23 | 22 | 23 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | W 8 | W 7 | SSW 14 | W 7 | S 12 | S 12 | SSE 11 | S 10 | S 11 | S 12 | S 12 | S 12 | SSW 12 |
| kJ | 123 | 80 | 329 | 582 | 453 | 493 | 229 | 156 | 239 | 117 | 319 | 294 | 158 | 106 | 233 | 235 | 314 | 314 | 313 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 19 | S 9 | W 6 | W 6 | W 9 | SSW 16 | SSW 15 | S 12 | SSE 13 | W 6 | SSW 14 | W 5 | W 5 | SW 18 | W 5 | W 5 | SW 16 | W 6 |
| kJ | 204 | 312 | 53 | 26 | 54 | 15 | 469 | 344 | 110 | 225 | 49 | 147 | 28 | 13 | 50 | 18 | 21 | 129 | 22 |
Swell 3 Height (m) Direction Period (s) | SW 13 | W 6 | W 8 | S 8 | S 8 | S 8 | S 8 | SSE 13 | SW 21 | SSW 14 | SSW 14 | SW 19 | SSW 13 | SSW 12 | W 10 | SW 18 | SW 16 | SSE 9 | SSW 17 |
| kJ | 62 | 12 | 45 | 34 | 21 | 11 | 5 | 59 | 17 | 233 | 178 | 14 | 101 | 51 | 2 | 80 | 95 | 8 | 186 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 7 | WNW 8 | — | W 7 | — | — | W 6 | — | — | W 5 | — | — | W 6 | — |
| kJ | — | — | — | — | — | 56 | 316 | — | 100 | — | — | 33 | — | — | 12 | — | — | 21 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 31 | 94 | 31 | 32 | 46 | 38 | 31 | 94 | 30 | 31 | 104 | 18 | 141 | 141 | 30 | 32 | 141 | 24 |
Best forecast wave conditions in Orange County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Surfside Jetty Surf forecast
The above surf forecast table for Surfside Jetty provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Surfside Jetty can be found by selecting the local surf guide option on the grey menu. Our Surfside Jetty 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 (Surfside Jetty) 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 Surfside Jetty 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.
Surfside Jetty is 4 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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