Surf Forecasts:
How big are the waves at Dewey Beach today (17 Oct):
- Afternoon surf: Afternoon surf (17 Oct, local time) - 4.5ft (1.4m), 5s period with NNE swell.
- Evening surf: Evening surf (17 Oct, local time) - 5ft (1.5m), 5s period with NNE swell.
The current surf forecast for Dewey Beach at 11PM is: 1.6m 5s primary swell from a North-northeast direction and 0.5m 8s secondary swell from a East direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 07:00pm October 17). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | - | - |
| Afternoon (17 Oct) | 4.5ft (1.4m) | 5s |
| Evening (17 Oct) | 5ft (1.5m) | 5s |
Table - waves today at Dewey Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 8°C on Sat night). Mainly strong winds. | |||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | NNE 5 | NNE 5 | NNE 5 | NE 5 | NE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | ESE 12 | ESE 12 | E 12 | E 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 91 | 107 | 130 | 128 | 338 | 429 | 505 | 510 | 563 | 573 | 696 | 789 | 873 | 1086 | 1439 | 1880 | 2277 | 2643 | 2635 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 1:27AM0.91m | 2:05PM1.22m | 2:27AM0.92m | 3:04PM1.21m | |||||||||||||||
Low Tide | 7:37PM0.47m | 7:23AM0.41m | 8:31PM0.49m | 8:22AM0.42m | 9:24PM0.47m | ||||||||||||||
 |  |  | | |  | | | | | | | | |  | | | | | |
 | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 10 | 8 | 8 | 8 | 10 | 12 | 12 | 12 | 12 | 13 | 12 | 11 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 2 | 2 | 0 | -1 | -1 | 0 | 2 | 5 | 5 | 5 | 5 | 6 | 5 | 4 | 5 | 6 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | E 8 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | ESE 12 | ESE 12 | E 12 | E 12 |
| kJ | 3 | 3 | 30 | 3 | — | — | — | — | — | — | — | — | — | — | — | 1880 | 2277 | 2643 | 1709 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | NNE 5 | NNE 5 | NE 5 | NE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 12 | E 12 | E 12 | E 12 |
| kJ | 91 | 107 | 130 | 128 | 338 | 429 | 505 | 510 | 563 | 573 | 696 | 789 | 873 | 1086 | 1439 | 1652 | 1909 | 1941 | 2635 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1033 | 1033 | 1070 | 1070 | 537 | 1167 | 242 | 236 | 236 | 262 | 607 | 601 | 601 | 399 | 788 | 601 | 598 | 449 | 479 |
Best forecast wave conditions in Delaware | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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