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Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 7 am Sunday 10 May 2026 EDTForecast 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
12.9° C
(Which is slightly warmer than usual)How big are the waves at Bethany today?
The current surf forecast for Bethany at 11AM is: 0.8m 8s primary swell from a Southeast direction and 0.3m 9s secondary swell from a East direction (forecast issued at 07:00am May 10). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 3ft (0.9m) | 7s |
| Afternoon (10 May) | 2.5ft (0.8m) | 8s |
| Evening (10 May) | 2.5ft (0.8m) | 7s |
Table - waves today at Bethany. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Sun night, min 10°C on Mon afternoon). Winds increasing (calm on Mon afternoon, fresh winds from the N by Tue morning). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 7 | E 8 | ESE 8 | SE 11 | E 8 | E 8 | E 8 | E 8 | |
86 | 91 | 79 | 79 | 79 | 91 | 73 | 48 | 47 | 28 | 39 | 44 | 44 | 36 | 24 | 19 | 27 | 29 | 21 | 30 | 30 | 28 | 18 | 18 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | glassy | cross | cross-off | off | cross | cross-on | cross-on | on | on | on | glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | |
High Tide | 2:08AM1.09m | 2:53PM1.02m | 3:04AM1.09m | 3:47PM1.10m | 4:04AM1.11m | 4:42PM1.20m | ||||||||||||||||||
Low Tide | 8:49AM0.21m | 9:14PM0.31m | 9:44AM0.16m | 10:18PM0.24m | 10:34AM0.10m | 11:14PM0.15m | ||||||||||||||||||
 |  | | | |  |  |  | | | | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | 8:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 19 | 20 | 21 | 22 | 14 | 14 | 13 | 12 | 11 | 10 | 11 | 12 | 12 | 12 | 11 | 10 | 11 | 12 | 11 | 12 | 12 | 11 |
17 | 17 | 19 | 17 | 17 | 20 | 10 | 11 | 9 | 6 | 6 | 6 | 10 | 9 | 9 | 8 | 5 | 3 | 5 | 8 | 6 | 7 | 7 | 5 | |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 8 | ENE 5 | ENE 5 | ESE 8 | ESE 8 | E 7 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 |
 kJ | 86 | 91 | 79 | 79 | 79 | 91 | 73 | 48 | 47 | 28 | 39 | 44 | 19 | 15 | 24 | 19 | 27 | 29 | 21 | 21 | 30 | 28 | 18 | 18 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | E 10 | E 9 | E 9 | E 9 | ESE 12 | ESE 8 | ESE 12 | ESE 12 | ESE 8 | ESE 8 | ENE 5 | ENE 5 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 |
| kJ | 14 | 14 | 14 | 12 | 7 | 6 | 6 | 6 | 13 | 14 | 14 | 14 | 44 | 36 | 11 | 9 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | E 13 | SE 13 | E 13 | E 16 | E 13 | E 16 | SE 12 | ESE 11 | E 9 | ESE 12 | — | — | ESE 12 | ESE 12 | ESE 11 | ESE 11 | SSE 6 | — | E 15 | SE 11 | — | — | E 14 | — |
| kJ | 3 | 6 | 3 | 5 | 3 | 5 | 5 | 13 | 6 | 14 | — | — | 13 | 13 | 13 | 12 | 3 | — | 4 | 30 | — | — | 4 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 3 | N 3 | N 3 | NE 4 | ENE 5 | — | — | — | — | NNW 2 | NNE 3 | NNE 4 | NE 4 | — | SE 2 | SSE 2 | SSE 3 |
| kJ | — | — | — | — | — | — | — | 3 | 3 | 8 | 20 | 27 | — | — | — | — | 1 | 4 | 9 | 6 | — | 1 | 1 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 73 | 73 | 0 | 46 | 46 | 255 | 252 | 229 | 28 | 0 | 0 | 0 | 14 | 252 | 256 | 249 | 21 | 556 | 595 | 462 | 550 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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