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Indian River (Northside) surfForecast / Delaware / USA
48hr Weather and Surf, issued 1 pm Thursday 21 May 2026 EDTForecast update in hr min s Forecast update imminent
Indian River (Northside) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Indian River (Northside) sea temperature is
15.9° C
(Which is 2.1°C warmer than normal for this time of year)How big are the waves at Indian River (Northside) today?
The current surf forecast for Indian River (Northside) at 5PM is: 0.9m 4s primary swell from a Northeast direction and 0.4m 6s secondary swell from a South-southeast direction, 0.4m 9s secondary swell from a Southeast direction (forecast issued at 01:00pm May 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 1.5ft (0.4m) | 9s |
| Afternoon (21 May) | 1.5ft (0.4m) | 9s |
| Evening (21 May) | 3.5ft (1.1m) | 5s |
Table - waves today at Indian River (Northside). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 31mm), heaviest during Sat night. Very mild (max 17°C on Sat night, min 11°C on Fri afternoon). Winds decreasing (strong winds from the E on Sat afternoon, calm by Sun morning). | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 9 | SE 9 | SE 9 | NE 5 | NE 5 | NE 5 | ENE 5 | ENE 6 | ENE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 9 | E 9 | E 9 | |
20 | 20 | 26 | 59 | 57 | 43 | 99 | 173 | 290 | 366 | 427 | 442 | 409 | 420 | 398 | 388 | 388 | 388 | 431 | 541 | 601 | 635 | 642 | 484 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | glassy | |
High Tide | 1:19PM0.83m | 1:30AM0.94m | 2:18PM0.83m | 2:29AM0.89m | 3:15PM0.84m | 3:25AM0.84m | ||||||||||||||||||
Low Tide | 6:22PM0.08m | 7:17AM0.01m | 7:28PM0.13m | 8:19AM0.04m | 8:38PM0.15m | |||||||||||||||||||
 |  |  |  |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — |
 | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:10 | — | — | — | 8:12 |
1 | 1 | — | — | 1 | — | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 5 | 3 | 1 | |
Temp °C | 17 | 16 | 16 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 15 | 17 | 17 |
13 | 11 | 10 | 8 | 8 | 7 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 6 | 6 | 6 | 4 | 4 | 5 | 5 | 9 | 11 | 16 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 7 | SSE 7 | SSE 7 | SE 13 | — | — | SE 13 | — | — | — | — | — | — | — | — | E 9 | E 9 |
 kJ | 18 | 13 | 14 | 46 | 44 | 34 | 50 | 15 | 15 | 15 | 7 | — | — | 7 | — | — | — | — | — | — | — | — | 642 | 484 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 14 | SE 14 | SE 14 | SE 14 | — | SE 13 | SE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 20 | 20 | 20 | 8 | 8 | 8 | 7 | — | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | E 15 | SE 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 4 | 4 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | NE 4 | NE 5 | NE 5 | NE 5 | ENE 5 | ENE 6 | ENE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 9 | — | SSE 5 |
| kJ | 3 | 13 | 26 | 59 | 57 | 43 | 99 | 173 | 290 | 366 | 427 | 442 | 409 | 420 | 398 | 388 | 388 | 388 | 431 | 541 | 601 | 635 | — | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 248 | 248 | 252 | 264 | 243 | 243 | 340 | 307 | 337 | 379 | 2375 | 2375 | 382 | 258 | 218 | 188 | 188 | 692 | 692 | 188 | 258 | 188 | 82 | 0 |
Best forecast wave conditions in Delaware | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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