Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 6 am Thursday 18 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
6.3° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Bethany today?
The current surf forecast for Bethany at 10AM is: 0.6m 11s primary swell from a Southeast direction and 0.2m 3s secondary swell from a North-northeast direction (forecast issued at 06:00am December 18). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 2ft (0.6m) | 11s |
| Afternoon (18 Dec) | 1.5ft (0.4m) | 11s |
| Evening (18 Dec) | 0.5ft (0.1m) | 16s |
Table - waves today at Bethany. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 11 | 11 | 11 | 10 | 16 | 15 | 6 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 22 | 22 | 90 | 29 | 29 | 28 | 5 | 4 | 337 | 522 | 698 | 639 | 520 | 442 | 290 | 192 | 136 | 87 | 68 | 65 | 62 | 59 | 35 | 37 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 6:14AM 1.23 | 6:37PM 0.97 | 6:52AM 1.24 | 7:16PM 0.98 | 7:29AM 1.24 | 7:55PM 0.97 | ||||||||||||||||||
Low Tide / height (m) | 12:38PM 0.01 | 12:33AM 0.05 | 1:21PM -0.02 | 1:15AM 0.05 | 2:02PM -0.03 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:40 | - | - | - | - | - | - | - | 4:40 | - | - | - | - | - | - | - | 4:40 | - | - | - |
 | |  |  | |  | | |  |  |  |  | | | | |  | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 8 | 4 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 11 | 12 | 12 | 14 | 15 | 14 | 13 | 13 | 13 | 10 | 8 | 2 | 0 | -1 | -1 | -2 | -1 | 1 | 3 | 3 | 4 | 6 |
| Feels °C (?) | 5 | 5 | 6 | 8 | 7 | 9 | 9 | 6 | 5 | 5 | 5 | 1 | -4 | -9 | -10 | -10 | -9 | -9 | -7 | -3 | -3 | -5 | -5 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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