Surf Forecasts:
Rehoboth Main surf forecast from 12 Aug 2026:
- Best quality surf: Monday 17 Aug, 5AM (local time) - 3ft (0.9m), 6s period, S swell with offshore winds.
- Most powerful swell: Sunday 16 Aug, 11PM (local time) - 5ft (1.5m), 6s period, S swell with 133 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 5AM (local time) - 3ft (0.9m), 6s period with S swell.
Best Forecast Surf Conditions for Rehoboth Main this week:
The surf forecast for Rehoboth Main over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 5AM. The primary swell is predicted to be 0.9m and 6s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rehoboth Main in the next 16 days are 1.5m 6s and forecast to arrive on Sunday (Aug 16) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Monday (Aug 17) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 17th Aug) | 3ft (0.9m) 6s |
| Best Surf | 5AM (Mon 17th Aug) | 3ft (0.9m) 6s |
| Most Powerful | 11PM (Sun 16th Aug) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s take a look at what’s coming up for our local stretch of sand.
Honestly, the outlook over this entire 16-day period is pretty flat. We’re looking at a long, quiet run with barely any surf to get excited about. The swell is tiny and weak, with wind issues plaguing most days. For a spot that’s as exposed as this one, it’s a dry spell.
The first real nod to anything surfable doesn’t show up until Wednesday, August 19th. That morning we see a small bump, about 2ft from the SE, with a long period of 11 seconds. That long-period groundswell will bring some shape to the waves, but the energy is still weak (77). The wind is glassy, though, so it’ll be clean and smooth on the surface. It’s a beginner-friendly wave at that size, but the crowds are always a factor here, so expect company. The water temp is about average for this time of year.
Outside of that one window, the rest of the outlook is a bust. The swell never really gets above 4ft, and when it does on Sunday, August 16th, it’s accompanied by strong, lumpy cross-shore winds in the afternoon that’ll chop it up. The period on that one is short and weak (5 seconds), so it won’t hold much shape. Most days have either poor surf conditions or are completely flat. There’s a long gap from the start of the forecast right through to the 19th with nothing worth paddling out for.
For the second week, from around the 20th onward, it’s more of the same. Tiny swell, messy winds, and nothing that’ll get your heart racing. A few mornings might look clean, like the 23rd and 25th of August, but the wave heights are barely 0.7ft. Not enough to ride.
So, if you’re itching for a session, the standout is Wednesday morning, August 19th. It’s not big, but it’s the cleanest and most promising window in this otherwise quiet stretch. Keep your expectations low and your eyes on the forecast – it can’t stay this flat forever.
- Rusty
Short Range ForecastLight rain (total 6mm), mostly falling on Tue night. Warm (max 29°C on Thu morning, min 23°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Sun night. Warm (max 28°C on Mon afternoon, min 19°C on Sat morning). Winds increasing (light winds from the NNW on Fri night, fresh winds from the WSW by Sun night). | ||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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) | SSE 5 | SSE 6 | SSE 6 | E 11 | SE 8 | E 10 | ESE 8 | ESE 9 | SSE 6 | SSE 6 | ENE 4 | SSE 6 | SSE 6 | SSE 3 | S 5 | SSE 6 | SSE 6 | SSE 6 | SE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 8 | 6 | 3 | 13 | 8 | 15 | 5 | 61 | 95 | 32 | 15 | 13 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | glassy | cross-off | off | glassy | cross-off | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | off | cross-off | cross-off | cross |
High Tide | 7:49AM1.21m | 8:23PM1.59m | 8:41AM1.28m | 9:11PM1.55m | 9:31AM1.33m | 9:57PM1.47m | 10:19AM1.35m | 10:41PM1.37m | 11:05AM1.34m | 11:24PM1.25m | 11:51AM1.32m | 00:08AM1.13m | |||||||
Low Tide | 1:55AM-0.04m | 1:52PM-0.20m | 2:41AM-0.09m | 2:44PM-0.20m | 3:25AM-0.11m | 3:35PM-0.16m | 4:08AM-0.09m | 4:25PM-0.08m | 4:50AM-0.04m | 5:16PM0.03m | 5:33AM0.04m | 6:08PM0.15m | |||||||
 |  |  |  | |  | |  | |  | | |  | | |  | | | | |
 | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — |
 | 8:00 | — | 7:59 | — | — | 7:57 | — | — | 7:55 | — | — | 7:54 | — | — | 7:53 | — | — | 7:52 | — |
mm | 3 | 2 | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | 5 | — | — | — |
Temp °C | 27 | 24 | 27 | 26 | 29 | 29 | 29 | 26 | 25 | 26 | 21 | 23 | 22 | 23 | 27 | 25 | 24 | 28 | 27 |
Feels °C | 29 | 25 | 29 | 26 | 30 | 32 | 31 | 26 | 28 | 27 | 20 | 23 | 21 | 21 | 26 | 26 | 25 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SSE 6 | SSE 6 | S 5 | S 3 | S 4 | SSE 4 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | ENE 4 | ENE 5 | NE 4 | — | SSE 6 | SSE 6 | SSE 6 | SSE 5 |
| kJ | 3 | 3 | 3 | 2 | 1 | 1 | 2 | 2 | 6 | 3 | 4 | 6 | 4 | 1 | — | 95 | 32 | 15 | 5 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 9 | ENE 3 | SE 9 | SE 9 | SSE 6 | SE 9 | SE 9 | NE 5 | — | — | SE 10 | SE 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 8 | 1 | 3 | 3 | 8 | 3 | 3 | 1 | — | — | 4 | 13 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | — | E 11 | S 5 | E 10 | E 13 | E 13 | SE 9 | — | — | SE 9 | — | — | — | — | — | — | NE 4 |
| kJ | 1 | 1 | — | 2 | 1 | 2 | 3 | 3 | 3 | — | — | 3 | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 3 | — | — | — | NE 3 | — | — | ENE 4 | ENE 4 | SSE 6 | SSE 3 | S 5 | WSW 4 | NNW 3 | NNE 3 | — |
| kJ | — | — | — | 1 | — | — | — | 2 | — | — | 13 | 8 | 15 | 5 | 61 | 10 | 1 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 347 | 1364 | 1111 | 1041 | 293 | 2386 | 1090 | 1190 | 347 | 470 | 630 | 3118 | 704 | 1150 | 1150 | 45 | 63 | 125 | 92 |
Best forecast wave conditions in Delaware | |||||||||||||||||||
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Information about the Rehoboth Main Surf forecast
The above surf forecast table for Rehoboth Main provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rehoboth Main can be found by selecting the local surf guide option on the grey menu. Our Rehoboth Main 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 (Rehoboth Main) 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 Rehoboth Main 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.
Rehoboth Main is 41 km (25 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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