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Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 6 am Tuesday 16 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Bethany surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bethany sea temperature is
7.2° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Bethany today?
The current surf forecast for Bethany at 9AM is: 0.2m 11s primary swell from a East-southeast direction (forecast issued at 06:00am December 16). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 0.5ft (0.2m) | 11s |
| Afternoon (16 Dec) | 0.5ft (0.2m) | 11s |
| Evening (16 Dec) | 0.5ft (0.2m) | 11s |
Table - waves today at Bethany. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 11 | 11 | 11 | 11 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 15 | 23 | 23 | 22 | 22 | 22 | 29 | 29 | 29 | 29 | 27 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | glass | cross- off | off | off | off | off | off | off | off | cross- off | cross | cross- on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:50AM 1.16 | 5:09PM 0.94 | 5:33AM 1.20 | 5:55PM 0.95 | 6:14AM 1.23 | 6:37PM 0.97 | ||||||||||||||||||
Low Tide / height (m) | 11:10AM 0.08 | 11:09PM 0.07 | 11:55AM 0.04 | 11:51PM 0.06 | 12:38PM 0.01 | 12:33AM 0.05 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:40 | - | - | - |
 | |  | | |  | | | | | |  | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -1 | -1 | -2 | 0 | 1 | 1 | 2 | 4 | 3 | 2 | 4 | 7 | 7 | 8 | 7 | 5 | 4 | 6 | 9 | 11 | 11 | 12 | 15 | 14 |
| Feels °C (?) | -8 | -7 | -7 | -4 | -3 | -4 | -4 | -3 | -4 | -6 | -4 | -1 | 0 | 3 | 2 | 0 | 1 | 2 | 6 | 7 | 6 | 8 | 9 | 6 |
- 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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