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Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 1 pm 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 10PM is: 0.8m 7s primary swell from a Southeast direction and 0.2m 9s secondary swell from a East direction, 0.3m 2s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 10). The wind direction is predicted to be cross-onshore.
| 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 (0.7m) | 7s |
Table - waves today at Bethany. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon afternoon. Warm (max 22°C on Sun afternoon, min 9°C on Mon afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | NE 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | |
79 | 79 | 94 | 56 | 62 | 48 | 47 | 28 | 50 | 43 | 43 | 24 | 23 | 19 | 29 | 29 | 21 | 22 | 31 | 30 | 29 | 18 | 18 | 17 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-on | cross-on | cross-on | on | on | on | glassy | glassy | off | cross-off | cross-on | cross-on | cross-on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:53PM1.02m | 3:04AM1.09m | 3:47PM1.10m | 4:04AM1.11m | 4:42PM1.20m | 5:05AM1.14m | ||||||||||||||||||
Low Tide | 8:49AM0.21m | 9:14PM0.31m | 9:44AM0.16m | 10:18PM0.24m | 10:34AM0.10m | 11:14PM0.15m | ||||||||||||||||||
 |  | |  |  | |  | | |  | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | 8:01 |
— | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 22 | 21 | 16 | 15 | 13 | 11 | 11 | 10 | 9 | 10 | 10 | 12 | 11 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
20 | 17 | 18 | 19 | 15 | 13 | 8 | 5 | 6 | 7 | 8 | 9 | 7 | 7 | 5 | 3 | 5 | 8 | 7 | 6 | 7 | 6 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | E 10 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | ESE 8 | ENE 5 | ENE 5 | E 5 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 |
 kJ | 79 | 79 | 7 | 56 | 62 | 48 | 47 | 28 | 50 | 43 | 30 | 23 | 14 | 19 | 29 | 29 | 21 | 22 | 31 | 30 | 29 | 18 | 18 | 17 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | E 13 | E 9 | E 9 | E 9 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 8 | ESE 8 | ESE 8 | ENE 5 | ESE 11 | ESE 11 | ESE 11 | N 4 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 14 | 12 | 3 | 6 | 6 | 6 | 13 | 14 | 14 | 13 | 43 | 24 | 23 | 8 | 12 | 12 | 12 | 2 | 11 | 12 | 11 | 11 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 16 | E 16 | E 16 | SE 12 | ESE 11 | E 9 | ESE 12 | ESE 12 | E 8 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | E 15 | — | SE 6 | ESE 11 | N 3 | — | E 14 | — | S 5 | — |
| kJ | 3 | 5 | 5 | 5 | 5 | 13 | 6 | 13 | 14 | 5 | 13 | 13 | 13 | 12 | 4 | — | 6 | 11 | 1 | — | 4 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 8 | S 4 | NNW 2 | NNE 3 | NNE 3 | NE 4 | NE 5 | ENE 5 | — | — | — | — | NW 3 | N 3 | NNE 4 | NE 4 | — | — | SSE 2 | SSE 3 | S 3 | S 3 |
| kJ | — | — | 94 | 9 | 1 | 1 | 1 | 15 | 41 | 32 | — | — | — | — | 1 | 5 | 11 | 3 | — | — | 1 | 3 | 3 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 73 | 392 | 6 | 6 | 46 | 255 | 258 | 249 | 48 | 0 | 0 | 0 | 35 | 252 | 201 | 48 | 219 | 556 | 595 | 556 | 573 | 202 | 202 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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