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Surf Forecasts:
Bethany surfForecast / Delaware / USA
48hr Weather and Surf, issued 1 am Sunday 31 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
16.5° C
(Which is slightly warmer than usual)How big are the waves at Bethany today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3ft (0.9m), 10s period with ENE swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.8m), 10s period with ENE swell.
The current surf forecast for Bethany at 5AM is: 1.0m 9s primary swell from a East-northeast direction (forecast issued at 01:00am May 31). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3ft (0.9m) | 10s |
| Afternoon (31 May) | 3ft (0.9m) | 10s |
| Evening (31 May) | 2.5ft (0.8m) | 10s |
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 morning. Warm (max 20°C on Sun night, min 12°C on Sun morning). Winds increasing (light winds from the SSW on Mon morning, fresh winds from the NE by Tue morning). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NE 8 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 7 | |
329 | 144 | 166 | 218 | 170 | 163 | 136 | 136 | 98 | 71 | 68 | 44 | 42 | 41 | 82 | 90 | 35 | 102 | 167 | 218 | 261 | 227 | 204 | 142 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | cross-off | cross-off | cross | cross-off | cross-off | off | off | off | cross-off | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | on | |
High Tide | 8:26AM1.06m | 8:38PM1.34m | 9:06AM1.05m | 9:15PM1.31m | 9:46AM1.02m | 9:52PM1.27m | ||||||||||||||||||
Low Tide | 2:30AM0.04m | 2:24PM0.14m | 3:11AM0.04m | 3:04PM0.16m | 3:50AM0.05m | 3:42PM0.18m | ||||||||||||||||||
 | |  | | | | | | |  |  |  | | | | | | |  | | | | | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:17 | — |
— | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 17 | 17 | 17 | 20 | 17 | 17 | 17 | 17 | 18 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 14 | 14 |
9 | 11 | 10 | 15 | 15 | 14 | 16 | 12 | 13 | 16 | 17 | 18 | 13 | 11 | 11 | 10 | 10 | 8 | 6 | 6 | 7 | 8 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 9 | E 9 | S 5 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | — | E 13 | E 12 | E 12 |
 kJ | 153 | 144 | 166 | 218 | 170 | 163 | 136 | 136 | 98 | 71 | 68 | 44 | 42 | 7 | 4 | 4 | 5 | 6 | 3 | 3 | — | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 5 | S 5 | S 5 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 13 | — | — | — | E 12 |
| kJ | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 10 | 11 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | — | — | — | — | — | — | — | — | SE 9 | SE 9 | SE 9 | — | — | — | E 13 | E 13 | E 13 | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | 3 | 3 | 3 | — | — | — | 3 | 3 | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 8 | — | — | — | — | SSE 2 | SSE 3 | S 3 | SSW 4 | S 4 | SSW 5 | — | — | E 9 | ENE 9 | ENE 9 | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 7 |
| kJ | 329 | — | — | — | — | 1 | 4 | 6 | 11 | 17 | 25 | — | — | 41 | 82 | 90 | 35 | 102 | 167 | 218 | 261 | 227 | 204 | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 0 | 0 | 0 | 17 | 249 | 23 | 0 | 69 | 0 | 0 | 10 | 206 | 286 | 364 | 503 | 417 | 462 | 544 | 276 | 685 | 1348 | 545 | 46 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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