Surf Forecasts:
Rehoboth Main surf forecast from 22 Aug 2026:
- Best quality surf: Sunday 23 Aug, 2AM (local time) - 2.5ft (0.7m), 4s period, SSE swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 5PM (local time) - 2.5ft (0.7m), 10s period, SE swell with 90 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 2AM (local time) - 2.5ft (0.7m), 4s 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 Sunday (Aug 23) at 2AM. The primary swell is predicted to be 0.7m and 4s period with a secondary swell of 0.6m and 4s. Another secondary swell of 0.2m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rehoboth Main in the next 16 days are 0.7m 10s and forecast to arrive on Thursday (Aug 27) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Aug 29) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 23rd Aug) | 2.5ft (0.7m) 4s |
| Best Surf | 2AM (Sun 23rd Aug) | 2.5ft (0.7m) 4s |
| Most Powerful | 5PM (Thu 27th Aug) | 2.5ft (0.7m) 10s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s talk about what’s going on in feet and knots.
This stretch starts off real quiet. There’s a long dry spell with nothing worth paddling for until late August. The first little pulse shows up on the 27th of August, but it’s only 2-3ft from the SE with a cross-onshore breeze and moderate energy (105). Not a standout.
The best window comes on the morning of Friday the 28th of August at Rehoboth Main. We’ve got a 2ft swell out of the S, with an offshore wind from the W making it clean. The period is short at 6 seconds, so the waves are weak (46) but for a beginner, it’s about as good as it gets. The afternoon goes glassy with the same 2ft, which is a nice little session. Water temp is running a touch warmer than usual at 77°, a bit above average for the time of year.
After that, the 1st of September brings a 4-5ft swell from the ESE, but the period is still short (6 seconds). The wind is cross-offshore, and the energy hits 270 (moderate). It’s only marginal, not a standout. Then on the 2nd of September, it drops to 1-2ft with a long 12-second period from the SE, clean winds, and moderate energy (122). Surfable, but small.
The rest of the run fades into tiny 0.5-1ft dribble. If you’re a beginner, the 28th of August is your day. For everyone else, it’s a waiting game.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 28°C on Sun afternoon, min 20°C on Tue morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Thu afternoon. Warm (max 26°C on Tue afternoon, min 23°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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 13 | SSE 4 | SSE 5 | ESE 12 | SSE 6 | SE 6 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | SE 9 | ESE 8 | ESE 8 | SE 10 | ESE 9 | SE 9 | ESE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 17 | 18 | 15 | 14 | 14 | 14 | 26 | 12 | 11 | 11 | 11 | 11 | 41 | 26 | 11 | 90 | 32 | 19 | 28 | 17 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | off | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross-on | cross-off | cross-on | cross-off | glassy | off |
High Tide | 4:29PM1.22m | 4:42AM0.90m | 5:24PM1.27m | 5:34AM0.95m | 6:11PM1.33m | 6:21AM1.03m | 6:54PM1.38m | 7:05AM1.12m | 7:34PM1.43m | 7:48AM1.20m | 8:13PM1.45m | 8:29AM1.28m | 8:53PM1.45m | |||||||
Low Tide | 11:01PM0.45m | 10:33AM0.31m | 11:53PM0.41m | 11:26AM0.26m | 00:34AM0.35m | 12:16PM0.19m | 1:11AM0.28m | 1:02PM0.13m | 1:47AM0.20m | 1:45PM0.08m | 2:22AM0.14m | 2:28PM0.05m | 2:58AM0.09m | |||||||
 |  |  | |  |  | | | | | | | |  | |  |  | | | | |
 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — |
 | 7:45 | — | — | 7:44 | — | — | 7:43 | — | — | 7:40 | — | — | 7:39 | — | — | 7:37 | — | — | 7:37 | — |
mm | 1 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | 1 | 1 |
Temp °C | 23 | 24 | 25 | 28 | 28 | 24 | 25 | 25 | 23 | 26 | 25 | 24 | 26 | 25 | 25 | 25 | 24 | 24 | 27 | 27 |
Feels °C | 23 | 25 | 25 | 26 | 27 | 23 | 25 | 24 | 21 | 25 | 22 | 25 | 23 | 23 | 25 | 27 | 24 | 26 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 6 | SE 4 | SSE 5 | SSE 5 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 4 | SSE 6 | SSE 5 | ESE 10 | E 14 | ESE 8 | ESE 8 | E 12 | SE 5 | SE 5 | ESE 8 | SE 8 |
| kJ | 4 | 13 | 15 | 9 | 12 | 9 | 7 | 6 | 2 | 3 | 6 | 11 | 4 | 26 | 11 | 3 | 14 | 11 | 28 | 17 |
Swell 2 Height (m) Direction Period (s) | SE 13 | ESE 8 | E 8 | E 7 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SSE 5 | S 6 | S 5 | ESE 10 | E 12 | ESE 9 | SE 9 | ESE 5 | SSE 6 |
| kJ | 7 | 6 | 4 | 4 | 14 | 14 | 26 | 12 | 11 | 11 | 11 | 3 | 6 | 1 | 9 | 3 | 32 | 19 | 5 | 10 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ENE 5 | ESE 12 | ESE 12 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 13 | E 12 | S 7 | E 11 | E 11 | E 10 | E 4 |
| kJ | 17 | 3 | 15 | 14 | 4 | 1 | 4 | 1 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 1 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | SE 4 | SSE 4 | — | — | — | — | — | — | NNW 3 | — | SSW 2 | — | SE 9 | SSE 3 | SE 4 | SE 10 | — | — | SE 5 | — |
| kJ | 10 | 18 | — | — | — | — | — | — | 1 | — | 1 | — | 41 | 2 | 4 | 90 | — | — | 10 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 295 | 215 | 0 | 55 | 35 | 131 | 55 | 136 | 55 | 392 | 55 | 131 | 322 | 532 | 191 | 295 | 1167 | 0 | 0 | 0 |
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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