Surf Forecasts:
Indian River (Southside) surf forecast from 12 Sep 2026:
- Best quality surf: Sunday 13 Sep, 2AM (local time) - 3.5ft (1.1m), 5s period, SE swell with cross-offshore winds.
- Most powerful swell: Tuesday 15 Sep, 11PM (local time) - 3.5ft (1.0m), 7s period, E swell with 99 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 2AM (local time) - 3.5ft (1.1m), 5s period with SE 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 (Sep 13) at 2AM. The primary swell is predicted to be 1.1m and 5s period with a secondary swell of 0.8m and 5s. Another secondary swell of 0.3m and 10s is also forecast. 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 1.0m 7s and forecast to arrive on Tuesday (Sep 15) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (Sep 13) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 13th Sep) | 3.5ft (1.1m) 5s |
| Best Surf | 2AM (Sun 13th Sep) | 3.5ft (1.1m) 5s |
| Most Powerful | 11PM (Tue 15th Sep) | 3.5ft (1.0m) 7s |
Table - best surf conditions forecast for Indian River (Southside) over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s be straight with you—this forecast for Indian River (Southside) is a tough one. We’ve got a long, flat stretch ahead with nothing doing for over a week. It’s not looking good, honestly. The water’s sitting at a very unusual 76°, which is much warmer than normal for this time of year, if you can believe it.
The first real quiet glimmer we see is on Sunday, the 20th of September. And I mean quiet. The morning’s got a little 2ft swell sneaking in from the south with a short period of 6 seconds. Combined wave energy is weak (54). But the wind? Glassy. Absolutely glassy conditions, which is a major positive for clean, smooth waves. It’s surfable, but very ordinary—so don’t expect much. This is a beach/jetty setup, and it’s fairly consistent here, but this is a rare and inconsistent bit of energy.
Now, hold onto your board, because Monday the 21st of September things get a bit wild. A big, messy pulse shows up—7ft to 8ft from the ENE, but with a short period of 8 seconds. The combined swell energy jumps to 615 and 704—that’s strong energy. But the wind is a strong cross-onshore breeze at 25 mph, so it’ll be a mess. Way too big and choppy for beginners; this is expert territory only, and honestly, with that wind, it looks more interesting for the kite surfers than us paddle folk.
After that, on Wednesday the 23rd of September, we get another shot. A 5ft to 6ft swell from the east with a period of 9 seconds. The wind finally switches to a clean cross-offshore. Combined energy is moderate to strong (422 to 921). This is the best on offer, but it’s marginal due to questionable tide conditions. Still, it’s the only window that might clean up for a few hours.
The rest of the forecast is a write-off—strong winds, onshore slop, and tiny, weak swells. A long gap of poor conditions before and after that Monday pulse. This is one of those times where the area just doesn’t want to cooperate. But don’t lose hope—forecasts can change.
Stay safe, and I’ll see you when the ocean gives us a real chance.
Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Warm (max 27°C on Sun afternoon, min 18°C on Mon morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Thu afternoon, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
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) | ESE 4 | SE 4 | SE 5 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | ENE 5 | ENE 5 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 7 | ESE 12 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 13 | 26 | 51 | 24 | 23 | 22 | 26 | 21 | 26 | 30 | 86 | 80 | 67 | 74 | 72 | 54 | 40 | 27 | 16 | 14 | 27 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | off | on | glassy | cross | cross-off | cross-on | on | on | on | on | on | on | on | cross-on | cross-off | cross | cross | glassy |
High Tide | 10:06AM0.98m | 10:23PM0.94m | 10:47AM0.98m | 11:01PM0.89m | 11:29AM0.98m | 11:40PM0.84m | 12:11PM0.96m | 00:19AM0.79m | 12:56PM0.94m | 1:04AM0.75m | 1:48PM0.92m | 1:54AM0.72m | 2:48PM0.90m | 2:52AM0.70m | |||||||
Low Tide | 3:52PM0.02m | 4:08AM0.03m | 4:40PM0.06m | 4:46AM0.07m | 5:28PM0.12m | 5:24AM0.12m | 6:18PM0.20m | 6:03AM0.18m | 7:12PM0.26m | 6:46AM0.24m | 8:12PM0.32m | 7:36AM0.28m | 9:19PM0.35m | ||||||||
 |  |  |  | |  |  |  | | | | | | | | | | | | |  | |
 | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 7:13 | — | — | 7:12 | — | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:05 | — | — | 7:04 | — |
mm | — | — | 8 | 2 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Temp °C | 23 | 23 | 25 | 23 | 27 | 27 | 22 | 23 | 23 | 22 | 21 | 20 | 19 | 20 | 20 | 21 | 23 | 23 | 26 | 27 | 26 |
Feels °C | 21 | 22 | 26 | 25 | 29 | 30 | 18 | 17 | 20 | 18 | 18 | 18 | 18 | 19 | 19 | 22 | 23 | 24 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | — | E 9 | SE 5 | SE 5 | SE 10 | SE 9 | SE 9 | ENE 5 | ESE 9 | ESE 9 | E 15 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 7 | E 7 | E 6 |
| kJ | — | 1 | 33 | 10 | 23 | 22 | 21 | 17 | 16 | 16 | 4 | 80 | 67 | 74 | 72 | 54 | 40 | 27 | 16 | 8 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 10 | SE 10 | S 5 | S 5 | S 5 | SE 9 | S 6 | E 15 | — | E 14 | SE 14 | SE 13 | SE 13 | ESE 13 | ESE 12 | SE 3 | SE 5 | ESE 12 | ESE 12 |
| kJ | — | — | 15 | 24 | 4 | 4 | 2 | 21 | 2 | 4 | — | 4 | 7 | 7 | 7 | 17 | 15 | 3 | 3 | 14 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 7 | ESE 5 | E 5 | E 5 | S 6 | E 15 | E 15 | — | — | — | — | — | — | SE 9 | ESE 13 | ESE 12 | SE 9 | NE 3 |
| kJ | — | — | — | 1 | 4 | 2 | 1 | 2 | 4 | 4 | — | — | — | — | — | — | 3 | 16 | 15 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | ESE 4 | SE 4 | SE 5 | SW 4 | S 5 | — | NNE 4 | N 4 | ENE 5 | ENE 5 | E 7 | — | — | — | — | — | SSE 2 | SW 2 | SW 3 | ESE 4 | — |
| kJ | 13 | 26 | 51 | 4 | 12 | — | 26 | 2 | 26 | 30 | 86 | — | — | — | — | — | 1 | 1 | 1 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1164 | 1165 | 0 | 80 | 75 | 43 | 380 | 63 | 640 | 691 | 691 | 38 | 38 | 38 | 138 | 388 | 458 | 2 | 204 | 253 | 1125 |
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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