Surf Forecasts:
Indian River (Southside) surf forecast from 20 Aug 2026:
- Best quality surf: Sunday 23 Aug, 2PM (local time) - 2.5ft (0.8m), 6s period, S swell with glassy winds.
- Most powerful swell: Thursday 27 Aug, 8PM (local time) - 2ft (0.6m), 10s period, E swell with 67 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 2PM (local time) - 2.5ft (0.8m), 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 Sunday (Aug 23) at 2PM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.5m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Indian River (Southside) in the next 16 days are 0.6m 10s and forecast to arrive on Thursday (Aug 27) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Aug 20) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Sun 23rd Aug) | 2.5ft (0.8m) 6s |
| Best Surf | 2PM (Sun 23rd Aug) | 2.5ft (0.8m) 6s |
| Most Powerful | 8PM (Thu 27th Aug) | 2ft (0.6m) 10s |
Table - best surf conditions forecast for Indian River (Southside) over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down for Indian River (Southside). Truth is, the next week and a half is pretty much dead. You’re looking at a long stretch of nothing much until we get into early September.
The first real hope shows up Thursday, 3rd September. Swell hits 5ft from the east, period around 9 seconds—nothing crazy, but enough to get excited about. Wave energy sits at 696, which is solid and the best we’ll see. Wind swings light offshore out of the northwest, so you’re getting clean, lined-up waves. This is the session to aim for. It’s an advanced spot, so at that size, leave the foam boards at home.
Friday, 4th September still has some 4-5ft east-northeast swell, but the wind turns messy by the afternoon. Mornings might still be tidy.
So, a long dry spell, one standout day on the 3rd, then it’s back to small stuff. Water’s sitting at 77°, which is a touch warmer than usual for this time of year. At least you won’t freeze while you wait.
Rusty.
Short Range ForecastHeavy rain (total 43mm), heaviest during Thu night. Warm (max 28°C on Thu afternoon, min 21°C on Thu night). Winds decreasing (fresh winds from the SSE on Thu afternoon, calm by Fri night). | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Sun afternoon. Warm (max 26°C on Mon afternoon, min 19°C on Mon morning). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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) | ESE 8 | SSE 5 | NE 5 | NE 5 | ESE 9 | E 4 | ESE 13 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SSE 6 | SSE 6 | ESE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 14 | 28 | 38 | 30 | 15 | 19 | 17 | 8 | 18 | 18 | 14 | 14 | 13 | 23 | 11 | 22 | 22 | 22 | 27 | 17 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | glassy | on | cross | off | glassy | off | off | cross-off | off | cross-off | on | cross-on | cross | cross-on | cross-on | cross |
High Tide | 3:35PM0.88m | 3:33AM0.68m | 4:38PM0.89m | 4:34AM0.68m | 5:38PM0.91m | 5:34AM0.69m | 6:30PM0.94m | 6:27AM0.72m | 7:15PM0.96m | 7:15AM0.76m | 7:55PM0.98m | 7:58AM0.79m | 8:31PM0.99m | |||||||
Low Tide | 9:56PM0.30m | 9:23AM0.26m | 11:00PM0.31m | 10:22AM0.27m | 11:56PM0.31m | 11:19AM0.25m | 00:44AM0.28m | 12:10PM0.22m | 1:24AM0.25m | 12:54PM0.18m | 1:58AM0.22m | 1:36PM0.13m | 2:29AM0.18m | |||||||
 |  |  | |  |  | | |  |  |  | | | | | | | | |  | |
 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:40 | — | — | 7:38 | — |
mm | — | 17 | — | — | 2 | 8 | 10 | 6 | — | 7 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 21 | 22 | 23 | 23 | 25 | 24 | 24 | 25 | 25 | 22 | 26 | 25 | 24 | 24 | 23 | 22 | 23 | 24 |
Feels °C | 26 | 27 | 20 | 22 | 24 | 24 | 27 | 25 | 27 | 28 | 26 | 19 | 24 | 24 | 24 | 24 | 24 | 21 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | SSE 5 | SSE 5 | SSE 5 | ENE 5 | — | E 4 | NE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | ESE 11 | SSE 4 | SSE 4 | ESE 11 | SSE 6 | SSE 6 | SE 6 |
| kJ | 14 | 28 | 8 | 4 | 15 | — | 13 | 14 | 18 | 18 | 10 | 14 | 6 | 23 | 3 | 6 | 22 | 22 | 27 | 8 |
Swell 2 Height (m) Direction Period (s) | — | ESE 8 | ESE 9 | ESE 9 | ESE 9 | — | ESE 8 | SSE 5 | NE 5 | ENE 5 | ESE 12 | ESE 12 | ESE 12 | SSE 5 | ESE 11 | ESE 11 | SE 5 | ESE 11 | ESE 10 | ESE 9 |
| kJ | — | 7 | 8 | 8 | 15 | — | 13 | 8 | 7 | 2 | 14 | 14 | 13 | 6 | 11 | 22 | 4 | 11 | 9 | 17 |
Swell 3 Height (m) Direction Period (s) | — | E 16 | E 15 | E 15 | SSE 4 | — | ESE 13 | ESE 8 | E 8 | ESE 12 | E 7 | E 7 | NNW 3 | E 7 | SSE 5 | E 7 | S 4 | — | NNE 3 | — |
| kJ | — | 5 | 4 | 4 | 2 | — | 17 | 6 | 5 | 14 | 4 | 1 | 1 | 1 | 3 | 1 | 1 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | S 4 | — | NE 5 | NE 5 | — | E 4 | S 3 | — | — | — | — | NW 3 | — | — | — | S 4 | — | N 2 | NE 3 | — |
| kJ | 9 | — | 38 | 30 | — | 19 | 4 | — | — | — | — | 2 | — | — | — | 9 | — | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 591 | 591 | 1039 | 2588 | 458 | 282 | 74 | 134 | 129 | 141 | 145 | 43 | 43 | 141 | 330 | 509 | 141 | 364 | 388 | 145 |
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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