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Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 7 pm Friday 15 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
13.5° C
(Which is slightly warmer than usual)How big are the waves at Bethany today?
The current surf forecast for Bethany at 3AM is: 0.6m 9s primary swell from a East direction and 0.4m 8s secondary swell from a Southeast direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2ft (0.6m) | 10s |
| Afternoon (16 May) | 1.5ft (0.5m) | 9s |
| Evening (16 May) | 1.5ft (0.4m) | 9s |
Table - waves today at Bethany. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 26°C on Mon afternoon, min 16°C on Fri night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun afternoon). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | SE 9 | E 8 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 8 | SSE 6 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SSE 6 | SSE 6 | SE 8 | |
84 | 65 | 50 | 42 | 64 | 65 | 65 | 43 | 41 | 40 | 23 | 39 | 18 | 75 | 64 | 123 | 73 | 71 | 69 | 21 | 15 | 34 | 25 | 20 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | glassy | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | cross-off | |
High Tide | 7:15PM1.51m | 7:47AM1.24m | 8:03PM1.56m | 8:39AM1.25m | 8:53PM1.57m | 9:33AM1.23m | ||||||||||||||||||
Low Tide | 1:54AM-0.10m | 1:51PM-0.07m | 2:47AM-0.15m | 2:43PM-0.08m | 3:39AM-0.16m | |||||||||||||||||||
 | |  |  | | | | | |  |  | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — |
 | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | 8:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 19 | 18 | 17 | 16 | 16 | 20 | 22 | 22 | 18 | 19 | 19 | 19 | 19 | 22 | 24 | 23 | 23 | 22 | 22 | 22 | 20 | 23 | 25 |
12 | 17 | 14 | 14 | 13 | 13 | 16 | 16 | 16 | 12 | 15 | 16 | 15 | 17 | 22 | 26 | 22 | 22 | 22 | 21 | 22 | 23 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SE 9 | E 8 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | SE 8 | S 6 | SSE 6 | SSE 8 | SSE 8 | E 9 | E 8 | E 8 | SE 8 | SE 8 | SSE 6 | SSE 6 | S 5 |
 kJ | 84 | 65 | 50 | 42 | 64 | 65 | 65 | 43 | 41 | 40 | 23 | 22 | 84 | 75 | 64 | 55 | 6 | 6 | 5 | 21 | 15 | 34 | 25 | 15 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 9 | SE 9 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 9 | E 9 | SE 8 | E 9 | E 8 | E 8 | — | E 15 | E 15 | E 8 | E 8 | SE 8 | SE 8 | SE 8 |
| kJ | 51 | 38 | 26 | 24 | 17 | 27 | 28 | 27 | 25 | 25 | 12 | 25 | 18 | 14 | 12 | 12 | — | 4 | 4 | 1 | 1 | 14 | 14 | 20 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | — | — | — | — | — | — | E 9 | E 9 | — | — | — | — | — | E 18 | E 15 | E 15 | E 8 | E 7 | E 8 |
| kJ | 46 | 47 | 16 | 16 | 7 | — | — | — | — | — | — | 39 | 14 | — | — | — | — | — | 6 | 4 | 4 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | — | — | — | — | SSW 3 | S 4 | S 4 | S 5 | S 5 | S 6 | SSW 6 | SSW 6 | — | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 5 | S 5 | SW 6 | — | — |
| kJ | 2 | 1 | — | — | — | — | 2 | 9 | 28 | 52 | 97 | 102 | 67 | 88 | — | 123 | 73 | 71 | 69 | 22 | 37 | 31 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 0 | 0 | 0 | 28 | 197 | 419 | 419 | 1153 | 0 | 17 | 6 | 0 | 0 | 28 | 0 | 0 | 73 | 8 | 0 | 364 | 356 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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