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Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 1 pm Tuesday 19 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
14.7° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Bethany today?
The current surf forecast for Bethany at 10PM is: 0.4m 9s primary swell from a Southeast direction and 0.1m 16s secondary swell from a East direction (forecast issued at 01:00pm May 19). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.5m) | 9s |
| Afternoon (19 May) | 1.5ft (0.4m) | 8s |
| Evening (19 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 ForecastModerate rain (total 12mm), heaviest on Fri morning. Warm (max 29°C on Tue afternoon, min 11°C on Thu night). Winds increasing (light winds from the NE on Wed night, strong winds from the ENE by Thu night). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 9 | SE 8 | SE 8 | ESE 8 | SE 9 | SE 6 | SSE 6 | SE 8 | ESE 9 | ESE 9 | SE 9 | SE 9 | SSE 6 | SSE 6 | SSE 6 | SE 9 | SE 9 | NE 4 | NE 5 | ENE 5 | ENE 5 | E 5 | E 5 | E 6 | |
31 | 18 | 18 | 28 | 21 | 51 | 26 | 18 | 31 | 32 | 22 | 22 | 59 | 68 | 39 | 26 | 20 | 40 | 98 | 106 | 66 | 82 | 99 | 138 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-on | on | cross-on | on | on | on | on | on | on | cross-on | on | on | cross-on | |
High Tide | 10:30AM1.21m | 10:43PM1.47m | 11:31AM1.18m | 11:43PM1.39m | 12:32PM1.17m | 00:43AM1.32m | ||||||||||||||||||
Low Tide | 4:28PM-0.02m | 5:22AM-0.10m | 5:22PM0.04m | 6:17AM-0.04m | 6:21PM0.12m | 7:16AM0.02m | ||||||||||||||||||
 | | | |  | | | | | | | | |  |  |  |  | | | |  | | |  | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:08 | — | — | — | 8:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 2 | |
Temp °C | 28 | 29 | 28 | 24 | 22 | 23 | 23 | 22 | 27 | 29 | 27 | 21 | 22 | 20 | 20 | 16 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 11 |
26 | 27 | 24 | 22 | 21 | 21 | 21 | 21 | 26 | 27 | 24 | 21 | 23 | 20 | 20 | 13 | 9 | 7 | 5 | 4 | 5 | 5 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SE 8 | SE 8 | ESE 8 | SE 9 | SE 6 | SSE 6 | S 6 | ESE 9 | ESE 9 | SE 9 | SE 9 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | ESE 9 | SE 14 | SE 8 | SE 14 | SE 13 | — |
 kJ | 31 | 18 | 18 | 28 | 21 | 51 | 26 | 43 | 31 | 32 | 22 | 22 | 59 | 68 | 39 | 26 | 19 | 14 | 30 | 8 | 35 | 7 | 7 | — |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | SE 13 | E 16 | E 16 | E 16 | ESE 8 | SE 8 | E 15 | E 15 | E 14 | E 15 | SE 9 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 6 | SSE 6 | SE 14 | ESE 13 | — | — |
| kJ | 3 | 3 | 7 | 5 | 5 | 5 | 24 | 18 | 4 | 4 | 4 | 4 | 22 | 17 | 32 | 21 | 20 | 20 | 9 | 7 | 8 | 18 | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 16 | SE 10 | E 13 | — | — | E 15 | E 15 | — | — | E 12 | E 12 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 15 | SE 14 | — | — | — | — |
| kJ | — | 5 | 4 | 3 | — | — | 5 | 4 | — | — | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 5 | S 5 | S 5 | S 6 | SSW 6 | SSW 6 | S 6 | S 6 | S 5 | S 5 | S 5 | SSW 6 | S 6 | NNE 2 | NNE 3 | NE 4 | NE 4 | NE 5 | ENE 5 | ENE 5 | E 5 | E 5 | E 6 |
| kJ | 36 | 43 | 62 | 65 | 91 | 50 | 40 | 82 | 31 | 37 | 52 | 65 | 47 | 151 | 1 | 5 | 17 | 40 | 98 | 106 | 66 | 82 | 99 | 138 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 28 | 209 | 28 | 23 | 0 | 0 | 28 | 10 | 28 | 195 | 6 | 10 | 6 | 35 | 197 | 197 | 260 | 276 | 279 | 327 | 260 | 252 | 309 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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