Surf Forecasts:
Rehoboth Main surf forecast from 9 Sep 2026:
- Best quality surf: Thursday 10 Sep, 11AM (local time) - 2.5ft (0.7m), 6s period, S swell with offshore winds.
- Most powerful swell: Sunday 13 Sep, 8AM (local time) - 3.5ft (1.1m), 5s period, SE swell with 53 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 11AM (local time) - 2.5ft (0.7m), 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 Thursday (Sep 10) at 11AM. The primary swell is predicted to be 0.7m and 6s period with a secondary swell of 0.3m and 9s. 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 1.1m 5s and forecast to arrive on Sunday (Sep 13) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Sep 10) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Thu 10th Sep) | 2.5ft (0.7m) 6s |
| Best Surf | 11AM (Thu 10th Sep) | 2.5ft (0.7m) 6s |
| Most Powerful | 8AM (Sun 13th Sep) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's look at what we've got on the books for the next couple weeks.
Right off the bat, I gotta be straight with you – it's looking bleak. There’s a big fat gap of nothing happening from now. We're looking at a long stretch of tiny, weak waves and poor conditions before we even see anything worth paddling out for. The combined swell energy is just a whisper for most of this run, barely kicking up a fuss.
The first sniff of anything surfable doesn't show up until Thursday morning, September 10th, at Rehoboth Main. Even then, it's pretty ordinary. We're talking a weak 2ft swell from the South with a measly 6-second period and combined energy of only 44. It's small and weak. But the wind is offshore from the West at 12 mph, so at least the surface will be clean. The water temp is sitting at 77°F, which is a whopping 5° warmer than normal for this time of year, so it's much warmer than usual. Don't expect much, but it's the first window.
The highlight, if you can even call it that, pops up on Sunday morning, September 13th. We get a 3ft south-southeast swell with a combined energy of 55. The wind is a cross-off, keeping things clean. It's still not big, but it's the biggest we've got for a while. It's a beginner-friendly break, always crowded, and it's exposed to the east, which doesn't exactly match the southerly swell direction, so waves will be pretty weak and fat. This is the best on offer, but that's not saying much.
After that, it’s back to the doldrums. The 19th of September has a morning of glassy conditions with a tiny, long-period 0.7ft swell from the east-southeast with a period of 12 seconds and combined energy of 43. The glassy wind is a major positive, and the long period means it will have a bit of push for its size, but it's so small it's barely a ripple. This break is a beach break, and a long-period swell like this tends to break too straight on the sand. It won't do much.
That’s about it. The rest of the 16-day window is filled with onshore junk, tiny windswell, and cross-shore chop. There's no real standout swell on the horizon. For the size we're looking at, it's far more interesting for a kite than a paddle. The combined energy figures barely crack 70 for most of this run, showing just how weak the ocean is.
– Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Warm (max 30°C on Thu afternoon, min 22°C on Wed morning). Winds decreasing (fresh winds from the SSW on Wed night, calm by Fri night). | Days 4-6 Weather SummaryHeavy rain (total 21mm), heaviest during Sat night. Warm (max 27°C on Sun morning, min 21°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | SE 10 | S 4 | ESE 9 | S 6 | S 6 | SSE 6 | SSE 6 | ESE 9 | ESE 9 | SE 9 | SE 3 | SSE 4 | SSE 5 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | SE 8 | SSE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 27 | 8 | 30 | 15 | 45 | 12 | 8 | 8 | 13 | 9 | 35 | 39 | 25 | 22 | 21 | 20 | 20 | 28 | 16 | 23 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | off | cross-off | cross-off | cross-on | cross | glassy | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross | on | cross-on | cross | cross-on | cross-off |
High Tide | 7:15PM1.51m | 7:33AM1.32m | 8:01PM1.49m | 8:20AM1.39m | 8:45PM1.44m | 9:06AM1.44m | 9:28PM1.37m | 9:50AM1.45m | 10:10PM1.29m | 10:32AM1.44m | 10:51PM1.19m | 11:16AM1.40m | 11:33PM1.09m | ||||||||
Low Tide | 12:48PM-0.06m | 1:32AM0.01m | 1:41PM-0.10m | 2:14AM-0.04m | 2:30PM-0.11m | 2:54AM-0.05m | 3:17PM-0.07m | 3:32AM-0.02m | 4:02PM-0.00m | 4:10AM0.04m | 4:48PM0.10m | 4:50AM0.12m | 5:36PM0.21m | ||||||||
 | |  |  | |  |  | | | |  |  |  | | | | | | | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:08 | — |
mm | — | — | — | — | — | 4 | — | — | — | — | 1 | 8 | 5 | 6 | 1 | — | — | — | — | — | — |
Temp °C | 25 | 26 | 24 | 26 | 30 | 24 | 23 | 24 | 23 | 24 | 23 | 26 | 27 | 26 | 25 | 24 | 25 | 24 | 25 | 27 | 27 |
Feels °C | 24 | 23 | 21 | 24 | 30 | 27 | 21 | 24 | 23 | 22 | 23 | 27 | 28 | 28 | 28 | 26 | 28 | 26 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SE 8 | ESE 10 | ESE 9 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | ESE 9 | SE 9 | — | E 8 | SE 10 | SE 10 | SE 5 | ESE 5 | ESE 5 | SE 5 | ESE 8 | SE 8 | ESE 9 |
| kJ | 3 | 9 | 8 | 30 | 15 | 45 | 12 | 6 | 8 | 13 | — | 1 | 15 | 23 | 16 | 9 | 9 | 6 | 28 | 16 | 8 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SE 9 | SE 9 | SE 10 | ESE 8 | NE 4 | SSE 5 | — | — | — | E 7 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | E 15 | E 15 | E 14 |
| kJ | 1 | 2 | 2 | 12 | 3 | 4 | 7 | 2 | 2 | — | — | — | 1 | 23 | 22 | 21 | 20 | 20 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | SE 10 | — | — | E 9 | SE 7 | E 8 | E 8 | ESE 9 | — | — | E 8 | — | — | — | — | — | — | — | — | — | E 14 |
| kJ | 4 | — | — | 2 | 2 | 1 | 1 | 8 | — | — | 1 | — | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | SSW 3 | S 4 | S 5 | WSW 4 | — | N 3 | N 3 | — | — | — | SE 3 | SSE 4 | SSE 5 | SE 5 | — | — | — | — | — | SSE 3 | SSE 4 |
| kJ | 4 | 27 | 55 | 5 | — | 2 | 5 | — | — | — | 9 | 35 | 39 | 25 | — | — | — | — | — | 6 | 23 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 354 | 700 | 1479 | 0 | 27 | 152 | 243 | 243 | 322 | 1173 | 1173 | 228 | 56 | 0 | 65 | 243 | 347 | 295 | 228 | 3047 | 11 |
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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