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Surf Forecasts:
Rehoboth Main surfForecast / Delaware / USA
16 Day Weather and Surf, issued 7 am Monday 18 May 2026 EDTForecast update in hr min s Forecast update imminent
Rehoboth Main surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rehoboth Main sea temperature is
14.1° C
(Which is 1.3°C warmer than normal for this time of year)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 Wednesday (May 20) at 8PM. The primary swell is predicted to be 1.1m and 5s period with a secondary swell of 0.4m and 9s. Another secondary swell of 0.1m and 14s 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 1.4m 7s and forecast to arrive on Friday (May 22) at 5PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Wednesday (May 20) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 20th May) | 3.5ft (1.1m) 5s |
| Best Surf | 8PM (Wed 20th May) | 3.5ft (1.1m) 5s |
| Most Powerful | 5PM (Fri 22nd May) | 4.5ft (1.4m) 7s |
Table - best surf conditions forecast for Rehoboth Main over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 32°C on Tue afternoon, min 18°C on Wed night). Winds decreasing (fresh winds from the S on Mon afternoon, calm by Wed night). | Days 4-6 Weather SummaryHeavy rain (total 55mm), heaviest during Fri morning. Very mild (max 14°C on Thu morning, min 10°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SE 8 | SE 8 | S 5 | SE 9 | SSE 5 | S 6 | SE 9 | SE 9 | SSE 6 | SE 9 | ENE 5 | E 5 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | S 6 | E 8 | ENE 7 | ENE 7 | |
15 | 21 | 40 | 28 | 42 | 64 | 22 | 27 | 42 | 20 | 54 | 40 | 125 | 186 | 160 | 99 | 79 | 64 | 40 | 121 | 140 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | |
High Tide | 9:33AM1.15m | 10:03PM1.69m | 10:27AM1.12m | 10:58PM1.61m | 11:22AM1.08m | 11:53PM1.51m | 12:19PM1.05m | 00:51AM1.39m | 1:21PM1.04m | 1:51AM1.27m | 2:27PM1.05m | 2:53AM1.17m | 3:34PM1.09m | 3:53AM1.09m | |||||||
Low Tide | 3:26PM-0.21m | 4:29AM-0.13m | 4:21PM-0.16m | 5:26AM-0.07m | 5:19PM-0.09m | 6:24AM-0.01m | 6:21PM-0.01m | 7:22AM0.04m | 7:26PM0.07m | 8:20AM0.07m | 8:32PM0.13m | 9:14AM0.09m | 9:39PM0.16m | ||||||||
 | |  | | | | | |  |  | |  |  |  | |  | |  | | |  | |
 | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:41 | — | — |
 | — | 8:07 | — | — | 8:07 | — | — | 8:08 | — | — | 8:09 | — | — | 8:10 | — | — | 8:12 | — | — | 8:12 | — |
— | — | — | — | — | — | — | — | 2 | — | — | 11 | 13 | 4 | 11 | 8 | 3 | 5 | — | — | — | |
Temp °C | 27 | 30 | 25 | 28 | 32 | 26 | 27 | 31 | 23 | 14 | 13 | 11 | 10 | 10 | 11 | 10 | 11 | 12 | 13 | 13 | 14 |
28 | 27 | 22 | 28 | 30 | 23 | 25 | 29 | 22 | 10 | 7 | 6 | 5 | 4 | 7 | 3 | 5 | 7 | 9 | 10 | 13 | |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | S 6 | SE 9 | SSE 6 | SSE 6 | SE 9 | SE 8 | SE 13 | SE 13 | E 13 | E 13 | E 13 | E 7 | SSE 6 | SSE 6 | SE 6 |
 kJ | 8 | 15 | 16 | 20 | 18 | 16 | 22 | 21 | 42 | 13 | 20 | 18 | 7 | 7 | 3 | 3 | 3 | 63 | 35 | 24 | 10 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 14 | E 13 | E 13 | E 13 | E 16 | SE 9 | E 15 | SE 9 | SE 9 | SSE 6 | SE 14 | — | — | — | E 13 | SE 13 | SSE 5 | E 8 | E 12 | E 12 |
| kJ | 15 | 4 | 4 | 4 | 4 | 5 | 20 | 5 | 19 | 20 | 7 | 7 | — | — | — | 3 | 7 | 30 | 40 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | E 17 | E 16 | — | E 16 | E 15 | E 12 | — | E 15 | SE 14 | — | — | — | — | — | — | — | E 12 | — | E 12 |
| kJ | — | — | 5 | 5 | — | 5 | 4 | 3 | — | 4 | 8 | — | — | — | — | — | — | — | 3 | — | 3 |
Wind waves Height (m) Direction Period (s) | — | S 4 | S 5 | S 5 | SSE 5 | S 6 | S 6 | S 5 | — | NE 4 | ENE 5 | E 5 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | S 6 | NE 3 | ENE 7 | ENE 7 |
| kJ | — | 21 | 40 | 28 | 42 | 64 | 50 | 27 | — | 17 | 54 | 40 | 125 | 186 | 160 | 99 | 79 | 64 | 5 | 121 | 140 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 55 | 1033 | 559 | 8 | 189 | 579 | 7 | 175 | 0 | 234 | 347 | 128 | 392 | 392 | 261 | 298 | 379 | 225 | 347 | 3168 | 29 |
Best forecast wave conditions in Delaware | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rehoboth Main surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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