Surf Forecasts:
Indian River (Southside) surf forecast from 17 Aug 2026:
- Best quality surf: Monday 17 Aug, 8AM (local time) - 3.5ft (1.1m), 6s period, S swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 5AM (local time) - 4.5ft (1.3m), 6s period, S swell with 104 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 8AM (local time) - 3.5ft (1.1m), 6s period with S swell.
Best Forecast Surf Conditions for Indian River (Southside) this week:
The surf forecast for Indian River (Southside) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 8AM. The primary swell is predicted to be 1.1m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Indian River (Southside) in the next 16 days are 1.3m 6s and forecast to arrive on Monday (Aug 17) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Aug 17) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 17th Aug) | 3.5ft (1.1m) 6s |
| Best Surf | 8AM (Mon 17th Aug) | 3.5ft (1.1m) 6s |
| Most Powerful | 5AM (Mon 17th Aug) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Indian River (Southside) over the next 16 days.
The Lowdown
Alright, grab your board. For the next couple of weeks, Indian River (Southside) is gonna be a tough one to chase. There’s a dry spell kicking off things, where you’ll be staring at flat, messy conditions or just tiny dribblers for the better part of a week. We’ve got a solid gap from now all the way through to August 27th where the surf is just not worth paddling out for; that’s a long stretch of waiting. Things look like they *might* start to whisper to life towards the end of the month and into early September, but you gotta be patient.
First real chance of anything happening is on Thursday, August 28th. It’s not a standout day, but there’ll finally be something to work with. Early morning looks clean with a NNW wind and some cross-off texture, pushing around 5 ft of ENE swell. It’s short period though, only 5 seconds, so it’ll be a bit of a jumbled mess and pretty weak (174 combined energy). Afternoon turns into a rainy mess with onshore slop, so the morning window is your only shot.
The best day on offer, and honestly the only one I’d circle, is Saturday, August 29th. This is a late-play call. The morning has 3 ft of SE groundswell with an 11-second period (354 combined energy), and a cross-off wind keeps it clean. Not huge, but the longer period means the waves will have a bit more shape and punch. But the winner is the afternoon – glassy conditions, 3 ft of ESE swell, that 10-second period is nice, and the energy is solid (300). It’ll be clean, smooth, and the best conditions we have in the whole window. A real reward for waiting. Expect a few locals out, though.
After that, the start of September (Monday the 1st) looks pretty weak and messy again, with small onshore slop.
So, bottom line: the 16-day window has a massive flat to junk stretch. If you can, make it out for the morning of the 28th for a desperate paddle, but hold out for Saturday the 29th afternoon. That’s the one that’s actually enjoyable. Water temp is running about average for this time of year.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 30°C on Mon afternoon, min 24°C on Sun night). Winds decreasing (fresh winds from the S on Sun night, calm by Wed morning). | Days 5-7 Weather SummaryHeavy rain (total 33mm), heaviest during Thu afternoon. Warm (max 27°C on Wed night, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
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) | S 5 | S 6 | SSE 5 | SE 6 | SE 6 | SSE 6 | SE 11 | SE 10 | SE 9 | ESE 9 | ESE 8 | SE 5 | E 9 | NE 5 | ENE 5 | ESE 9 | ESE 8 | ESE 13 | ESE 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 88 | 39 | 15 | 19 | 20 | 16 | 29 | 24 | 22 | 8 | 7 | 7 | 7 | 31 | 24 | 16 | 14 | 17 | 17 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross | cross-on | off | glassy | cross | cross-off | glassy | cross | cross-off | on | on | cross-off | glassy | glassy | cross-off |
High Tide | 00:16AM0.87m | 12:50PM0.90m | 00:59AM0.80m | 1:40PM0.89m | 1:44AM0.75m | 2:34PM0.88m | 2:35AM0.71m | 3:35PM0.88m | 3:33AM0.68m | 4:38PM0.89m | 4:34AM0.68m | 5:38PM0.91m | |||||||
Low Tide | 6:07AM0.06m | 6:46PM0.14m | 6:50AM0.12m | 7:44PM0.21m | 7:35AM0.17m | 8:49PM0.27m | 8:26AM0.23m | 9:56PM0.30m | 9:23AM0.26m | 11:00PM0.31m | 10:22AM0.27m | 11:56PM0.31m | |||||||
 |  |  |  |  | |  | |  | |  | | | |  | | | | | |
 | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — |
 | 7:52 | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — |
mm | 9 | 1 | — | 2 | — | — | — | — | — | — | 3 | 9 | 7 | — | 8 | 3 | 1 | 2 | 4 |
Temp °C | 25 | 28 | 30 | 29 | 25 | 27 | 27 | 26 | 27 | 27 | 25 | 27 | 27 | 26 | 24 | 25 | 24 | 27 | 26 |
Feels °C | 22 | 30 | 33 | 33 | 26 | 28 | 29 | 27 | 27 | 27 | 29 | 30 | 30 | 29 | 27 | 27 | 29 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 9 | S 6 | SSE 5 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 10 | SE 9 | ESE 9 | SSE 4 | ESE 8 | SSE 5 | ESE 9 | ESE 9 | ESE 9 | ENE 4 | ENE 4 | ENE 5 |
| kJ | 3 | 39 | 15 | 19 | 20 | 16 | 9 | 24 | 22 | 8 | 4 | 7 | 3 | 8 | 16 | 16 | 3 | 3 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 7 | E 9 | SE 9 | ESE 12 | SE 11 | SSE 5 | SSE 5 | SSE 6 | ESE 8 | E 6 | ESE 8 | SSE 5 | — | E 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | — | — | 8 | 2 | 3 | 14 | 29 | 2 | 2 | 3 | 7 | 1 | 7 | 2 | — | 5 | 14 | 7 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 9 | — | SE 12 | ESE 9 | — | — | NE 4 | — | E 6 | E 6 | E 9 | E 8 | E 15 | — | SE 4 | ESE 13 | ESE 13 |
| kJ | — | — | 3 | — | 6 | 7 | — | — | 1 | — | 1 | 3 | 6 | 1 | 4 | — | 1 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | S 5 | SSW 5 | — | — | — | — | — | NNW 2 | — | S 3 | — | SE 5 | — | NE 5 | ENE 5 | ENE 4 | — | — | — |
| kJ | 88 | 66 | — | — | — | — | — | 1 | — | 3 | — | 5 | — | 31 | 24 | 6 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1352 | 22 | 74 | 141 | 141 | 186 | 9 | 134 | 544 | 162 | 1169 | 1478 | 598 | 335 | 1173 | 202 | 141 | 567 | 330 |
Best forecast wave conditions in Delaware | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Indian River (Southside) Surf forecast
The above surf forecast table for Indian River (Southside) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Indian River (Southside) can be found by selecting the local surf guide option on the grey menu. Our Indian River (Southside) 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 (Indian River (Southside)) 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 Indian River (Southside) 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.
Indian River (Southside) is 28 km (17 miles) from Ocean City. If you plan a vacation in Delaware, look for hotels and other accommodation in Ocean City. Ocean City has rooms for a wide range of budgets as well as car hire and transport links.
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