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Surf Forecasts:
Dewey Beach surfForecast / Delaware / USA
48hr Weather and Surf, issued 7 am Friday 17 Apr 2026 EDTForecast update in hr min s Forecast update imminent
Dewey Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dewey Beach sea temperature is
11.6° C
(Which is 3.6°C warmer than normal for this time of year)How big are the waves at Dewey Beach today?
The current surf forecast for Dewey Beach at 1PM is: 0.5m 6s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 07:00am April 17). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 2ft (0.6m) | 6s |
| Afternoon (17 Apr) | 1.5ft (0.5m) | 6s |
| Evening (17 Apr) | 1.5ft (0.4m) | 6s |
Table - waves today at Dewey Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 4 | 4 | 8 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 60 | 50 | 32 | 23 | 23 | 15 | 13 | 6 | 10 | 11 | 19 | 17 | 16 | 19 | 24 | 34 | 36 | 27 | 18 | 14 | 6 | 7 | 11 | 11 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | glass | cross- off | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:15AM 1.29 | 8:38PM 1.61 | 9:03AM 1.25 | 9:27PM 1.64 | 9:52AM 1.20 | 10:18PM 1.63 | ||||||||||||||||||
Low Tide / height (m) | 2:07AM -0.19 | 2:13PM -0.16 | 2:57AM -0.22 | 2:58PM -0.18 | 3:48AM -0.20 | 3:45PM -0.17 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:38 | - | - | - | - | - | - | - | 7:39 | - | - | - |
 |  |  | | |  |  | | |  | | | | | | | | | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - |
| Temp. °C | 21 | 20 | 21 | 23 | 24 | 23 | 20 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 15 | 17 | 16 | 10 | 9 | 8 | 13 | 12 | 11 |
| Feels °C (?) | 20 | 19 | 19 | 21 | 23 | 22 | 19 | 13 | 7 | 7 | 8 | 7 | 8 | 7 | 9 | 11 | 16 | 12 | 1 | 0 | 2 | 7 | 8 | 6 |
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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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