Rehoboth Main Surf Break

Lat Long: 38.72° N 75.08° W

Rehoboth Main Surf Forecast and Surf Report

Issued: 1 am 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rehoboth Main sea temperature is
25.6° C
1.8° 

Rehoboth Main surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rehoboth Main surf forecast from 15 Aug 2026:

  • Best quality surf: Monday 17 Aug, 8AM (local time) - 3ft (0.9m), 5s period, SSE swell with offshore winds.
  • Most powerful swell: Monday 17 Aug, 2AM (local time) - 4ft (1.2m), 5s period, S swell with 73 kJ wave energy.
  • Next surfable swell (1★+): Monday 17 Aug, 8AM (local time) - 3ft (0.9m), 5s 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 0.9m and 5s 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 1.2m 5s and forecast to arrive on Monday (Aug 17) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Monday (Aug 17) at 8AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 17th Aug)3ft (0.9m) 5s
Best Surf 8AM (Mon 17th Aug)3ft (0.9m) 5s
Most Powerful 2AM (Mon 17th Aug)4ft (1.2m) 5s

Table - best surf conditions forecast for Rehoboth Main over the next 16 days.


The Lowdown

G’day, it’s Rusty here. Let’s cut through it. I’ve looked over the next stretch for our stretch of coast, and I gotta be straight with you: it’s a flat, frustrating run. For the first week and a half, there’s nothing worth paddling out for. We’re looking at a solid eight days of dribble and closeouts – the kind of spell that has you checking the cam twice and then just going back to bed. The energy is weak, readings are bottoming out in the single digits and low double digits, and the wind is mostly onshore or cross, chopping up anything that even thinks about breaking. It’s a poor man’s surf, plain and simple.

The bright spot, and I say this with cautious optimism, is the last couple of days of the window. During the Thursday and Friday of the final week, we finally see some proper swell arriving. The energy jumps to moderate and then strong – you’ll see values like 183 and 376, even 436 – but look at the wind. That big Friday swell comes with onshore winds, which will junk it up at the beach. The Thursday option looks better: a 4ft swell with a clean, cross-off breeze in the afternoon. That’s our one true standout, but it’s a long way off and forecasts can change. Treat it as promising, not a certainty.

Now, let’s talk specifics. The main break we’re looking at is Rehoboth Main. The water temp is a touch warmer than normal, coming in at 78° – about 3° above the average for this time of year. Doesn’t sound like much, but you feel it. It’s a bath.

* August 15–24: Dead. Swell heights are 0.3ft to 2ft, period is short, mostly under 8 seconds, and the energy is weak (4 to 58). The wind is mostly cross-onshore or onshore, creating chop. Not a single session worth your time.
* August 25 (Tuesday): Still tiny, 0.7ft to 1ft, but we get a window of clean conditions with light offshore wind in the morning. It’s glassy, but there’s just no power. You’d be floating, not surfing.
* August 26 (Wednesday): A pulse of new energy arrives. Morning sees 4ft from the S with a period of 6 seconds and a 140 energy reading. It’s clean with a NW cross-off wind. This is the first rideable day, but it’s short-period and still won’t be great. The afternoon gets blown out by a fresh 22 mph breeze.
* August 27 (Thursday): This is the pick of the run. Morning has 4ft from the S, moderate energy at 183, and a cross-off wind. The afternoon cleans up even more with a NNW cross-off at 9 mph, and energy at 179. It’s still just over a metre, but it’s clean and has some push. For a beach break, the period is short (7 seconds), so expect it to be a bit crumbly, not a perfect wall.
* August 28 (Friday): The biggest swell of the period hits 7ft from the ENE, but the period is short (7 seconds) and the energy jumps to 376-436. That’s strong. However, the wind is onshore in the afternoon, and it’s cross in the morning. This is the one that gets messy. At this size, especially with short period and onshore wind, this is a mess – not a beginner wave. It’s more of a battle than a session.
* August 29 (Saturday): Swell eases to 5ft-5ft but the onshore wind sticks around, making it choppy and lumpy. It’s poor quality.
* August 30 (Sunday): Back down to 2ft-3ft with onshore winds. The window closes with a whimper.

So, bottom line: the next two weeks are mostly a write-off. The one day to circle is Thursday, August 27th. Get out there in the afternoon when it’s cleanest. It’s not going to be epic, but it’s the best we’re going to get, and after a week of nothing, it’ll feel like a holiday. The bigger Friday swell is a trap for the experts only, and even then, the wind is going to ruin it. Keep the hopes pinned on that Thursday.

Rusty.

Short Range Forecast

Moderate rain (total 12mm), heaviest on Sun afternoon. Warm (max 29°C on Mon afternoon, min 22°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the NW by Mon night).

Days 4-6 Weather Summary

Some drizzle, heaviest during Wed night. Warm (max 28°C on Thu afternoon, min 23°C on Tue morning). Wind will be generally light.

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
SE
9
0.2
SSE
6
0.2
SSE
6
0.4
SE
3
0.6
SE
4
1.2
S
5
0.8
SSE
5
0.6
SSE
5
0.6
SSE
7
0.5
SE
7
0.4
SE
6
0.4
SE
11
0.4
SE
10
0.6
SE
9
0.3
SE
9
0.2
ESE
8
0.2
ESE
8
0.3
ESE
6
0.4
E
8
0.2
ESE
9
0.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
3
3
3
3
10
73
33
19
29
21
15
41
34
68
12
7
7
7
19
8
8
Wind (km/h)
15
NE
10
ESE
10
S
20
SSE
25
SSE
25
SSW
15
WNW
15
NW
10
W
15
N
5
E
10
SSW
5
SSE
25
SSE
5
WSW
20
NNW
15
NW
15
NNW
15
NE
15
E
10
ESE
Wind State
cross-on
on
cross
cross
cross-on
cross-off
off
cross-off
off
cross
glassy
cross-off
cross-on
cross
glassy
cross-off
cross-off
cross-off
cross-on
on
cross-on
High Tide
10:19AM1.35m
10:41PM1.37m
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
Low Tide
4:25PM-0.08m
4:50AM-0.04m
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
clear
clear
clear
part cloud
light rain
mod rain
thunderstorm
clear
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:15
6:16
6:16
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:53
7:52
7:51
7:50
7:47
7:46
 mm
4
7
1
1
Temp °C
24
25
25
25
24
24
26
29
29
24
26
27
25
27
26
24
28
26
24
24
24
Feels °C
25
26
26
24
23
22
28
31
32
25
28
29
26
26
25
24
28
25
24
24
24
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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