Surf Forecasts:
How big are the waves at Dewey Beach today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.8m), 4s period with S swell.
- Evening surf: Evening surf (18 Jul, local time) - 3.5ft (1.0m), 5s period with S swell.
The current surf forecast for Dewey Beach at 11PM is: 0.9m 5s primary swell from a South direction and 0.1m 13s secondary swell from a East direction (forecast issued at 07:00pm July 18). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 2.5ft (0.8m) | 4s |
| Evening (18 Jul) | 3.5ft (1.0m) | 5s |
Table - waves today at Dewey Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Sat night. Warm (max 28°C on Tue afternoon, min 21°C on Mon morning). Winds decreasing (fresh winds from the SW on Sat night, light winds from the NNE by Sun night). | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||
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) | S 4 | S 5 | S 5 | S 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 30 | 46 | 43 | 166 | 50 | 31 | 26 | 28 | 29 | 19 | 16 | 9 | 9 | 9 | 10 | 9 | 9 | 17 | 15 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 11:57PM1.31m | 12:27PM1.22m | 00:45AM1.17m | 1:19PM1.20m | |||||||||||||||
Low Tide | 5:42PM-0.02m | 6:15AM-0.02m | 6:39PM0.09m | 7:02AM0.05m | 7:37PM0.19m | ||||||||||||||
 |  |  |  | | |  | | | |  | | | | | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:21 | — |
mm | — | 23 | 1 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 24 | 24 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 22 | 21 | 23 | 24 | 24 | 24 | 24 |
Feels °C | 29 | 21 | 23 | 23 | 24 | 25 | 23 | 25 | 24 | 24 | 24 | 25 | 22 | 19 | 22 | 23 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | E 13 | S 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | ENE 4 | NE 4 |
| kJ | 3 | 3 | 3 | 74 | 50 | 31 | 26 | 28 | 29 | 19 | 16 | 9 | 9 | 9 | 10 | 9 | 9 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | — | E 13 | E 13 | WSW 3 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | SE 9 | S 9 | — | SE 8 |
| kJ | 3 | 3 | — | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | — | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | — | — | — | E 13 | — | — | — | SE 13 | SE 12 | — | SE 12 | E 8 | — | E 12 | E 12 | S 9 | — |
| kJ | 2 | 2 | — | — | — | 3 | — | — | — | 6 | 6 | — | 6 | 1 | — | 3 | 3 | 2 | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 5 | S 5 | S 6 | WSW 3 | NW 3 | NNW 3 | NNW 3 | NNW 3 | NNW 2 | NNW 3 | N 3 | NE 3 | NE 3 | NE 3 | NE 3 | ENE 4 | SSE 7 | SSE 6 |
| kJ | 30 | 46 | 43 | 166 | 3 | 2 | 6 | 3 | 2 | 1 | 1 | 1 | 5 | 4 | 2 | 1 | 2 | 17 | 15 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3143 | 113 | 836 | 53 | 2 | 25 | 53 | 65 | 66 | 66 | 97 | 133 | 133 | 133 | 294 | 345 | 345 | 426 | 486 |
Best forecast wave conditions in Delaware | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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