Surf Forecasts:
Rehoboth Main surf forecast from 4 Sep 2026:
- Most powerful swell: Wednesday 9 Sep, 11PM (local time) - 4.5ft (1.4m), 5s period, S swell with 109 kJ wave energy.
Best Forecast Surf Conditions for Rehoboth Main this week:
The most powerful waves expected at Rehoboth Main in the next 16 days are 1.4m 5s and forecast to arrive on Wednesday (Sep 09) 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 1.4m 6s period and expected on Thursday (Sep 10) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Wed 9th Sep) | 4.5ft (1.4m) 5s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get straight into it for Rehoboth Main. I’ve looked over the next couple of weeks, and I’m not gonna lie to you – it’s a tough stretch. We’re looking at a real dry spell for most of the outlook, with very little on offer that’s going to get a surfer out of bed.
The first week and a half is pretty much a write-off. From now through to the middle of next week, the waves are tiny, the swell direction is all over the place, and the periods are short. We’re talking knee-high slop at best, with a lot of cross-off or even onshore wind. The water temperature is sitting around 77°, which is a solid 4° warmer than normal for this time of year, so it’s a warm bath, but there’s no energy to ride. The combined swell energy barely cracks double digits, just 26 on the Friday morning, and it doesn’t get much better. It’s a frustrating start.
We finally get a bit of a pulse around Tuesday, September 15th. The morning shows a modest 4 ft swell from the south, with a period of 6 seconds, and that combined energy jumps to 184. It’s still not a classic groundswell, but the big news is the wind. It’s glassy. Dead flat, no wind. That’s the only window where you might get a clean wave. The swell is under 5 ft, so it’s manageable for most, but it’s a short period, so it’ll be a bit crumbly and inconsistent. That’s your best bet for the whole 16 days, but it’s hardly a standout.
After that, it drops back into the doldrums. The following Friday morning, September 18th, brings a bit of a whisper with a 3 ft swell from the east-northeast and a gentle offshore breeze, giving a combined energy of 92. It’s clean, but the waves are small. For a spot that’s exposed and sees crowds always, this is a tough run. Honestly, for most of this period, the setup looks more interesting for a kite than a paddle. The beach break won’t be holding much.
So, to sum it up: keep your expectations low. The best you’ll see is a glassy morning on the 15th, but it’s not the kind of swell that lights up the point. It’s one of those quiet spells for the area. Forecasts can change, but right now, there’s not much to chase.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Fri night. Warm (max 30°C on Fri afternoon, min 21°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Wed afternoon, min 20°C on Tue morning). Winds increasing (light winds from the NNE on Mon morning, fresh winds from the SW by Wed night). | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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 8 | ESE 8 | ESE 8 | ESE 8 | ENE 7 | E 6 | E 3 | E 5 | E 7 | E 10 | E 10 | E 11 | E 10 | E 10 | S 4 | E 9 | S 5 | SE 10 | S 6 | SSE 6 | SE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 13 | 6 | 6 | 9 | 3 | 4 | 45 | 32 | 50 | 49 | 20 | 17 | 16 | 11 | 6 | 54 | 4 | 27 | 12 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-on | cross-off | glassy | on | on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 2:07PM1.42m | 2:26AM0.98m | 3:16PM1.42m | 3:37AM0.98m | 4:26PM1.44m | 4:46AM1.04m | 5:29PM1.48m | 5:48AM1.12m | 6:25PM1.51m | 6:43AM1.23m | 7:15PM1.51m | 7:33AM1.32m | 8:01PM1.49m | ||||||||
Low Tide | 8:38PM0.31m | 8:31AM0.17m | 9:47PM0.30m | 9:38AM0.14m | 10:54PM0.25m | 10:45AM0.08m | 11:54PM0.17m | 11:49AM0.01m | 00:46AM0.08m | 12:48PM-0.06m | 1:32AM0.01m | 1:41PM-0.10m | 2:14AM-0.04m | ||||||||
 |  |  |  | |  | | | | | |  | | | | | | | | | | |
 | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — |
 | — | 7:25 | — | — | 7:24 | — | — | 7:22 | — | — | 7:21 | — | — | 7:20 | — | — | 7:17 | — | — | 7:16 | — |
mm | 1 | — | 6 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 30 | 29 | 23 | 25 | 25 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 26 | 25 | 26 | 29 | 25 | 28 | 30 | 26 |
Feels °C | 26 | 31 | 31 | 23 | 25 | 25 | 22 | 19 | 21 | 23 | 22 | 21 | 22 | 26 | 24 | 24 | 26 | 21 | 25 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | SSE 5 | ESE 8 | S 6 | SSE 6 | E 6 | SE 9 | SE 10 | E 7 | E 10 | E 10 | E 11 | E 10 | E 10 | E 9 | E 9 | SE 10 | SE 10 | S 6 | SSE 6 | SE 10 |
| kJ | 22 | 5 | 6 | 2 | 7 | 3 | 3 | 4 | 32 | 50 | 49 | 20 | 17 | 16 | 7 | 6 | 4 | 4 | 27 | 12 | 4 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | ESE 8 | S 5 | E 7 | ENE 7 | SE 8 | S 6 | S 5 | SE 9 | SE 9 | SE 8 | SE 8 | SSE 3 | SE 8 | ESE 8 | SE 8 | E 8 | E 9 | ESE 9 | ESE 9 | S 5 |
| kJ | 2 | 13 | 2 | 4 | 9 | 2 | 1 | 1 | 3 | 3 | 3 | 3 | 1 | 3 | 7 | 3 | 1 | 2 | 8 | 8 | 1 |
Swell 3 Height (m) Direction Period (s) | E 5 | E 5 | E 6 | ESE 8 | ESE 8 | SE 9 | — | — | S 6 | S 5 | S 5 | — | SE 8 | — | S 6 | SE 6 | — | — | E 9 | ESE 9 | — |
| kJ | 2 | 2 | 3 | 6 | 6 | 3 | — | — | 1 | 1 | 2 | — | 3 | — | 1 | 2 | — | — | 2 | 8 | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NNW 2 | — | NE 3 | — | SE 3 | E 3 | E 5 | — | — | — | SSW 3 | — | SSE 2 | S 4 | S 4 | S 5 | S 6 | WNW 3 | NW 3 | NNW 5 |
| kJ | 2 | 1 | — | 1 | — | 2 | 4 | 45 | — | — | — | 2 | — | 1 | 11 | 8 | 54 | 121 | 6 | 6 | 52 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 356 | 562 | 525 | 1033 | 1046 | 392 | 232 | 380 | 93 | 28 | 21 | 11 | 11 | 1174 | 55 | 220 | 1177 | 1087 | 55 | 131 | 470 |
Best forecast wave conditions in Delaware | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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