Surf Forecasts:
Rehoboth Main surf forecast from 5 Sep 2026:
- Most powerful swell: Saturday 12 Sep, 8PM (local time) - 2.5ft (0.8m), 7s period, E swell with 59 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 0.8m 7s and forecast to arrive on Saturday (Sep 12) 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 1.1m 5s 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 | 8PM (Sat 12th Sep) | 2.5ft (0.8m) 7s |
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.
Honestly, I’m looking at this 16-day window and it’s a tough one. The surf is mostly flat or tiny, and the wind is often a mess. We’re looking at a long stretch of nothing much, with a few flickers of hope way down the line. The water is running at about 77°F, which is much warmer than normal for this time of year – a solid 5° above average, so that’s definitely a talking point if you’re paddling out.
The first real sign of life doesn’t show up until the morning of Wednesday the 16th of September. Before that, it’s a whole lot of nothing. Swell is tiny, wind is cross or onshore, and the energy is weak. The few ripples we get have combined energy figures in the teens and twenties – just anemic. For over a week, you’re better off doing something else.
Then on Wednesday the 16th, we finally get a glimmer. The morning is looking glassy with a light breeze, and we’ve got a tiny 3ft swell pushing in from the Northeast. The period is a short 4 seconds, so it’s weak, small windswell, but that glassy surface makes it surfable for a beginner. The combined energy is 61 (moderate). It’s the only time in the whole outlook that the conditions are described as "surfable" – everything else is "poor surf conditions". The afternoon falls apart with a cross-onshore wind.
After that, it’s back to the doldrums. The wind gets strong and onshore, the swell drops out again. The energy is low, and it’s a poor run right through to the end of the period. There’s a brief moment on the morning of Saturday the 19th with a clean cross-offshore wind, but the swell is only 0.7ft – not enough to ride.
So, the only standout, and I mean the *only* one, is that Wednesday morning (16th September) at Rehoboth Main. It’s not a classic, but for a beginner looking for a clean, tiny wave, it’s the best we’ve got. The rest of the window is a write-off.
Stay patient, and keep an eye on the forecasts – it can’t stay this flat forever.
Rusty.
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 26°C on Sat afternoon, min 21°C on Mon morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 31°C on Thu afternoon, min 21°C on Thu night). Winds increasing (light winds from the NNE on Tue afternoon, fresh winds from the SSW by Wed night). | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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 | E 6 | E 7 | ENE 4 | E 6 | E 7 | E 10 | E 10 | E 10 | SE 8 | E 9 | E 8 | S 4 | SE 9 | S 6 | S 6 | SSE 6 | SSE 6 | ESE 10 | NE 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6 | 3 | 9 | 36 | 31 | 23 | 46 | 17 | 7 | 18 | 6 | 6 | 23 | 3 | 35 | 25 | 32 | 17 | 9 | 14 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | on | on | cross-on | cross-on | off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on |
High Tide | 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 | 8:20AM1.39m | 8:45PM1.44m | |||||||
Low Tide | 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 | 2:30PM-0.11m | 2:54AM-0.05m | |||||||
 |  |  | |  | | | | | |  | | | | | |  | | | | |
 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — |
 | 7:24 | — | — | 7:22 | — | — | 7:21 | — | — | 7:20 | — | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — |
Temp °C | 26 | 25 | 23 | 24 | 22 | 22 | 23 | 23 | 22 | 24 | 24 | 25 | 27 | 24 | 27 | 31 | 24 | 23 | 26 | 24 |
Feels °C | 24 | 24 | 23 | 23 | 20 | 20 | 22 | 22 | 22 | 24 | 22 | 23 | 23 | 20 | 24 | 29 | 26 | 21 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 6 | E 7 | SE 9 | E 6 | E 7 | E 10 | E 10 | E 10 | E 10 | E 9 | E 8 | SE 10 | SE 9 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 |
| kJ | 3 | 3 | 9 | 3 | 31 | 23 | 46 | 17 | 7 | 7 | 6 | 6 | 4 | 3 | 35 | 25 | 32 | 17 | 7 | 3 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 8 | SE 8 | S 5 | SE 9 | SE 9 | ESE 8 | E 4 | SE 8 | SE 8 | SE 9 | SE 8 | E 8 | E 9 | ESE 9 | ESE 9 | SE 10 | NE 4 | ENE 4 | SE 9 |
| kJ | 6 | 2 | 2 | 1 | 3 | 3 | 7 | 4 | 3 | 11 | 3 | 3 | 1 | 2 | 8 | 8 | 4 | 2 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | S 5 | S 5 | S 5 | — | S 5 | E 10 | S 5 | ESE 8 | — | — | — | SE 10 | — | — | E 9 | E 8 | E 8 | ESE 10 | ESE 10 | E 11 |
| kJ | 2 | 1 | 1 | — | 1 | 8 | 1 | 7 | — | — | — | 4 | — | — | 2 | 1 | 1 | 9 | 9 | 2 |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | N 3 | ENE 4 | — | — | — | — | WNW 2 | SE 8 | S 4 | SSW 4 | S 4 | S 5 | WSW 4 | WNW 2 | NNW 3 | NNW 3 | NNW 3 | NE 4 |
| kJ | — | 2 | 1 | 36 | — | — | — | — | 1 | 18 | 6 | 10 | 23 | 61 | 8 | 1 | 4 | 2 | 1 | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2375 | 470 | 256 | 322 | 125 | 65 | 191 | 35 | 55 | 3056 | 220 | 295 | 700 | 1098 | 7 | 152 | 11 | 55 | 131 | 421 |
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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