Surf Forecasts:
Rehoboth Main surf forecast from 16 Aug 2026:
- Best quality surf: Monday 17 Aug, 8AM (local time) - 2.5ft (0.8m), 6s period, SSE swell with offshore winds.
- Most powerful swell: Monday 17 Aug, 5AM (local time) - 3.5ft (1.1m), 5s period, S swell with 64 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 8AM (local time) - 2.5ft (0.8m), 6s period with SSE 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 8AM. The primary swell is predicted to be 0.8m 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 1.1m 5s and forecast to arrive on Monday (Aug 17) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Monday (Aug 17) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 17th Aug) | 2.5ft (0.8m) 6s |
| Best Surf | 8AM (Mon 17th Aug) | 2.5ft (0.8m) 6s |
| Most Powerful | 5AM (Mon 17th Aug) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be honest, the outlook around Rehoboth Main is looking pretty bleak for the next couple of weeks.
We've got a big stretch of nothing much on offer. The water is a touch warmer than average for this time of year, at about 78°, but that's the only highlight.
From Sunday the 16th of August all the way through to Wednesday the 26th, it's flat city. Swell heights are stuck between about 0.3 ft and 3 ft, mostly coming from a weak SE or SSE breeze-swell with short periods. The combined energy is pitiful, usually in the low double digits (like 7 to 37). The winds are a mess – cross-shore, cross-onshore, and generally lumpy. It's all "poor surf conditions."
The only day that even gets a mention is Thursday afternoon the 27th of August. It's described as "surfable waves but very ordinary conditions." The swell is a tiny 2 ft from the SE with a period of 12 seconds (a long-period groundswell), and the combined energy is 94. The only reason it's not a total write-off is the wind: a light offshore from the W at about 9 mph. That will clean it up. But honestly, 2 ft is barely a ripple. There are no true standouts here.
After that, it's back to flat and onshore for the rest of the outlook. The winds from the E and ENE on the 28th and beyond will just kill any remaining hope.
It's a dry spell. Sometimes the ocean just takes a nap. This is one of those times.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Warm (max 30°C on Mon afternoon, min 22°C on Tue morning). Winds decreasing (fresh winds from the SSW on Sun night, calm by Mon night). | Days 4-6 Weather SummaryHeavy rain (total 54mm), heaviest during Fri night. Warm (max 26°C on Wed afternoon, min 19°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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 3 | SSE 4 | S 5 | SSE 6 | SSE 6 | SE 7 | SE 7 | SSE 6 | SE 11 | SE 10 | SE 9 | SE 9 | SSE 4 | SE 5 | ESE 8 | ENE 4 | E 5 | E 5 | ESE 8 | E 5 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 22 | 56 | 36 | 18 | 21 | 21 | 16 | 57 | 34 | 30 | 20 | 8 | 7 | 7 | 26 | 19 | 8 | 7 | 8 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | glassy | cross | cross-on | cross-on | on | on | cross | cross | on |
High Tide | 11:05AM1.34m | 11:24PM1.25m | 11:51AM1.32m | 00:08AM1.13m | 12:39PM1.28m | 00:54AM1.02m | 1:30PM1.23m | 1:45AM0.93m | 2:27PM1.20m | 2:41AM0.87m | 3:29PM1.20m | 3:43AM0.87m | 4:29PM1.22m | 4:42AM0.90m | |||||||
Low Tide | 5:16PM0.03m | 5:33AM0.04m | 6:08PM0.15m | 6:16AM0.13m | 7:02PM0.26m | 7:01AM0.21m | 7:59PM0.35m | 7:49AM0.28m | 8:59PM0.42m | 8:41AM0.32m | 10:01PM0.45m | 9:36AM0.33m | 11:01PM0.45m | ||||||||
 |  |  |  | | | | |  | |  | |  | |  | |  |  | | |  | |
 | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — |
 | — | 7:53 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — |
mm | — | — | 7 | — | — | 1 | — | — | — | — | 2 | — | 1 | 6 | 1 | — | 5 | 39 | 1 | — | 3 |
Temp °C | 25 | 24 | 23 | 27 | 30 | 30 | 23 | 28 | 27 | 25 | 26 | 26 | 26 | 26 | 24 | 23 | 22 | 23 | 22 | 23 | 23 |
Feels °C | 23 | 22 | 20 | 29 | 32 | 34 | 24 | 27 | 27 | 26 | 26 | 27 | 30 | 28 | 24 | 21 | 20 | 28 | 23 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 8 | — | SE 9 | SSE 6 | SSE 6 | SE 7 | SE 7 | SSE 6 | SE 11 | SE 10 | SE 9 | SE 9 | SSE 4 | SE 5 | ESE 8 | ESE 9 | E 5 | E 5 | E 5 | E 5 | E 5 |
| kJ | 3 | — | 3 | 36 | 18 | 21 | 21 | 16 | 57 | 34 | 30 | 20 | 8 | 6 | 7 | 7 | 19 | 8 | 4 | 8 | 9 |
Swell 2 Height (m) Direction Period (s) | NE 4 | — | — | — | — | — | SE 13 | ESE 12 | — | S 6 | — | SE 6 | ESE 8 | ESE 8 | SSE 4 | — | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 1 | — | — | — | — | — | 6 | 14 | — | 2 | — | 1 | 7 | 7 | 2 | — | 7 | 7 | 7 | 6 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 9 | — | SE 12 | — | — | — | — | — | E 6 | E 6 | SE 5 | E 15 | S 5 | S 6 | SSE 6 | SSE 6 | SSE 6 |
| kJ | — | — | — | — | 3 | — | 6 | — | — | — | — | — | 1 | 1 | 1 | 4 | 1 | 2 | 4 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | SE 3 | SSE 4 | S 5 | — | — | — | NNW 3 | — | — | — | — | S 4 | — | — | NE 3 | ENE 4 | — | — | — | — | SSE 2 |
| kJ | 3 | 22 | 56 | — | — | — | 2 | — | — | — | — | 7 | — | — | 3 | 26 | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1150 | 1173 | 2140 | 27 | 131 | 65 | 131 | 35 | 0 | 128 | 335 | 165 | 322 | 1364 | 384 | 1041 | 1167 | 215 | 220 | 239 | 243 |
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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