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Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 7 am Monday 11 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 10AM is: 0.6m 8s primary swell from a Southeast direction and 0.2m 12s secondary swell from a East-southeast direction, 1.0m 4s secondary swell from a Northeast direction (forecast issued at 07:00am May 11). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 2ft (0.6m) | 7s |
| Afternoon (11 May) | 2ft (0.6m) | 8s |
| Evening (11 May) | 1.5ft (0.4m) | 8s |
Table - waves today at Bethany. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 17°C on Wed morning, min 9°C on Mon afternoon). Winds increasing (calm on Mon night, strong winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | ESE 8 | ESE 8 | ENE 5 | ESE 8 | ESE 8 | ENE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 10 | ESE 10 | ESE 10 | |
47 | 28 | 50 | 43 | 43 | 24 | 23 | 22 | 12 | 12 | 12 | 13 | 21 | 28 | 28 | 17 | 17 | 17 | 10 | 10 | 10 | 10 | 10 | 10 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | glassy | off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 3:04AM1.09m | 3:47PM1.10m | 4:04AM1.11m | 4:42PM1.20m | 5:05AM1.14m | 5:36PM1.32m | ||||||||||||||||||
Low Tide | 9:44AM0.16m | 10:18PM0.24m | 10:34AM0.10m | 11:14PM0.15m | 11:22AM0.04m | 00:08AM0.05m | ||||||||||||||||||
 |  | | | |  |  | | | | | | | | | | | |  |  | | |  |  | |
 | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:48 |
 | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | 8:02 |
— | 1 | 1 | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | |
Temp °C | 16 | 12 | 11 | 11 | 9 | 10 | 10 | 11 | 11 | 10 | 12 | 13 | 14 | 12 | 12 | 12 | 13 | 14 | 17 | 17 | 16 | 16 | 15 | 15 |
14 | 7 | 5 | 7 | 7 | 9 | 8 | 6 | 7 | 5 | 7 | 8 | 9 | 6 | 6 | 5 | 7 | 8 | 10 | 9 | 9 | 10 | 9 | 12 | |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 8 | ESE 8 | ESE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ESE 8 | ENE 4 | ENE 5 | ENE 5 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 10 |
 kJ | 47 | 28 | 50 | 43 | 43 | 24 | 16 | 9 | 10 | 12 | 10 | 9 | 8 | 28 | 28 | 17 | 17 | 17 | 9 | 9 | 9 | 4 | 4 | 10 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 8 | ESE 12 | ESE 12 | ESE 12 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 11 | ESE 8 | ESE 8 | ESE 8 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 7 |
| kJ | 13 | 14 | 14 | 13 | 13 | 24 | 23 | 22 | 12 | 11 | 12 | 13 | 21 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 4 |
Swell 3 Height (m) Direction Period (s) | E 9 | ESE 12 | ESE 12 | — | E 15 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | — | ESE 11 | ESE 11 | ESE 11 | — | E 14 | — | — | — | E 13 | — | E 12 | — | E 12 | E 12 |
| kJ | 6 | 14 | 14 | — | 4 | 13 | 13 | 12 | 12 | — | 12 | 12 | 12 | — | 4 | — | — | — | 3 | — | 3 | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | NNE 2 | NNE 3 | NE 4 | NE 5 | NE 5 | — | — | — | NNW 3 | NE 4 | NNW 3 | N 3 | — | SSE 2 | SSE 3 | S 3 | S 4 | S 4 | S 4 | S 5 | S 5 | S 6 | S 6 | S 6 |
| kJ | 1 | 9 | 36 | 36 | 28 | — | — | — | 3 | 10 | 4 | 2 | — | 1 | 3 | 5 | 13 | 21 | 28 | 80 | 104 | 141 | 162 | 132 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 258 | 249 | 210 | 21 | 0 | 0 | 14 | 26 | 210 | 48 | 48 | 21 | 545 | 595 | 573 | 210 | 573 | 597 | 1332 | 1153 | 1332 | 206 | 419 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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