Surf Forecasts:
Rehoboth Main surf forecast from 14 Sep 2026:
- Best quality surf: Monday 14 Sep, 2AM (local time) - 1.5ft (0.5m), 9s period, SE swell with offshore winds.
- Most powerful swell: Monday 21 Sep, 2AM (local time) - 5ft (1.6m), 5s period, ENE swell with 144 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 2AM (local time) - 1.5ft (0.5m), 9s period with SE 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 (Sep 14) at 2AM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.2m and 5s. 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 1.6m 5s and forecast to arrive on Monday (Sep 21) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Sep 20) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 14th Sep) | 1.5ft (0.5m) 9s |
| Best Surf | 2AM (Mon 14th Sep) | 1.5ft (0.5m) 9s |
| Most Powerful | 2AM (Mon 21st Sep) | 5ft (1.6m) 5s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
The Lowdown
Hey, Rusty here again. Let’s break down the same forecast for those of you who think in feet and miles.
It’s a tough stretch. We’ve got a long, flat gap starting now, with nothing worth paddling out for until Monday the 21st of September, and even that is a mess.
That first pulse on the 21st brings a 8-foot swell from the ENE but with a short, weak period of 7 seconds and a strong onshore wind at 18 mph. It’s big but blown out. Better for a kite than a surfboard. Tuesday the 22nd is more of the same: plenty of water moving but cross-onshore wind ruining the shape.
The real standout is Wednesday the 23rd of September. We get a clean 7-foot groundswell from the East with a reasonable 9-second period, and the wind goes offshore from the WSW at a light 6 mph in the morning. That is your window. The wave energy is high (736), and the conditions will be glassy. For Rehoboth Main, which is a beginner-friendly break, this is about as big as it gets before it’s too much. Expect a full crowd. The afternoon holds but turns cross-offshore.
Thursday the 24th drops a little to 6 feet in the morning, but the wind is cross-onshore. The afternoon pushes up to 8 feet with massive energy (1774), but the onshore wind kills it.
After that, the swell fades. The second half of the window has clean-looking mornings, but the waves drop to 3 feet or less, and the energy is gone. Sunday the 27th has a clean offshore wind on a 3-foot wave, but it’s just not exciting.
So mark your calendar: Wednesday the 23rd morning is your one real shot. The rest is a long wait or a small fade-out.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Sun night, min 19°C on Mon night). Mainly fresh winds. | Days 5-7 Weather SummarySome drizzle, heaviest during Sat morning. Warm (max 23°C on Thu afternoon, min 19°C on Thu morning). Wind will be generally light. | ||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
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 9 | SE 9 | SE 9 | NE 4 | ENE 5 | E 6 | E 6 | E 8 | E 6 | ESE 6 | E 8 | E 8 | E 7 | ESE 7 | ESE 7 | ESE 12 | ESE 12 | ESE 12 | ESE 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 41 | 29 | 21 | 22 | 26 | 30 | 23 | 28 | 16 | 11 | 33 | 31 | 15 | 15 | 15 | 13 | 13 | 13 | 24 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-on | on | on | cross-on | on | cross-on | cross | cross | cross | cross-off | cross-on | on | on | cross-on | cross-on | cross |
High Tide | 10:10PM1.29m | 10:32AM1.44m | 10:51PM1.19m | 11:16AM1.40m | 11:33PM1.09m | 12:01PM1.34m | 00:17AM1.01m | 12:50PM1.28m | 1:06AM0.94m | 1:45PM1.23m | 2:03AM0.90m | 2:47PM1.21m | 3:05AM0.90m | ||||||
Low Tide | 4:10AM0.04m | 4:48PM0.10m | 4:50AM0.12m | 5:36PM0.21m | 5:31AM0.21m | 6:26PM0.32m | 6:17AM0.29m | 7:20PM0.42m | 7:06AM0.36m | 8:17PM0.48m | 8:01AM0.40m | 9:17PM0.52m | |||||||
 |  |  |  | | | | | | | | |  | | |  |  | |  | |
 | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — |
 | 7:12 | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 |
Temp °C | 26 | 22 | 23 | 23 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 23 | 23 | 22 | 22 | 22 | 21 | 23 | 24 |
Feels °C | 30 | 19 | 17 | 18 | 18 | 19 | 19 | 21 | 20 | 19 | 21 | 21 | 22 | 23 | 21 | 23 | 22 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | E 6 | E 6 | E 8 | E 6 | ESE 6 | E 8 | E 8 | E 7 | ESE 7 | ESE 7 | E 7 | E 6 | E 6 | ESE 11 |
| kJ | 41 | 29 | 21 | 8 | 8 | 30 | 23 | 28 | 16 | 11 | 33 | 31 | 15 | 15 | 15 | 8 | 6 | 3 | 24 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | — | NE 4 | S 5 | SE 6 | ESE 9 | E 14 | SE 13 | SE 13 | E 8 | SE 13 | SE 12 | SE 12 | SE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 7 |
| kJ | 2 | — | 3 | 1 | 1 | 8 | 4 | 7 | 7 | 11 | 7 | 6 | 6 | 6 | 14 | 13 | 13 | 13 | 4 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | — | SSE 6 | E 15 | E 15 | SE 6 | — | E 10 | E 10 | SE 13 | — | — | SE 9 | SE 9 | SE 9 | ESE 9 | ENE 6 | ESE 9 | — |
| kJ | 2 | — | 3 | 4 | 4 | 1 | — | 2 | 2 | 7 | — | — | 3 | 3 | 3 | 7 | 3 | 7 | — |
Wind waves Height (m) Direction Period (s) | — | N 4 | NNW 4 | NE 4 | ENE 5 | — | — | — | — | — | — | SSE 3 | SSE 3 | — | — | — | — | SSE 3 | S 4 |
| kJ | — | 20 | 14 | 22 | 26 | — | — | — | — | — | — | 4 | 3 | — | — | — | — | 3 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 243 | 322 | 630 | 1174 | 1167 | 470 | 1167 | 1167 | 93 | 7 | 562 | 11 | 392 | 1168 | 347 | 354 | 1173 | 1173 |
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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