


Crowd Alert: Beach at capacity from 12 PM-3 PM — consider alternative times
High Tide at 2:05 PM: Some shore areas may narrow
Red River Beach in Harwich, MA, is a popular beach on Nantucket Sound known for its soft sand, calm waters, and abundant seashells. While it can get crowded, particularly in the afternoon during summer, many appreciate its family-friendly atmosphere, close parking, and the presence of lifeguards. The beach offers a mix of amenities including restrooms and food trucks, and is frequented by dog walkers during the off-season.
*Click a parking icon on the map to draw the shortest path to the nearest entrance.
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Updated: 8/30/2026, 9:00:00 AM
| Time | Air Temp | UV | Wind | Rain |
|---|---|---|---|---|
| 09:00 | 72° | 2 | 9 mph | 0 |
| 10:00 | 75° | 4 | 11 mph | 0 |
| 11:00 | 77° | 5 | 13 mph | 0 |
| 12:00 | 78° | 6 | 14 mph | 0 |
| 13:00 | 78° | 6 | 15 mph | 0 |
| 14:00 | 77° | 6 | 15 mph | 0 |
| 15:00 | 77° | 5 | 14 mph | 0 |
Updated: Updated: 8/30/2026, 9:00:00 AM
| Time | Temp | Wave | Period | Swell | Tide |
|---|---|---|---|---|---|
| 09:00 | 75°F | 1.3 ft | 4s | ↓ S | -3.0 ft |
| 10:00 | 75°F | 1.4 ft | 4s | ↓ S | -2.1 ft |
| 11:00 | 76°F | 1.5 ft | 4s | ↓ S | -1.0 ft |
| 12:00 | 76°F | 1.6 ft | 4s | ↓ S | 0.0 ft |
| 13:00 | 76°F | 1.6 ft | 4s | ↓ S | +0.5 ft |
| 14:00 | 76°F | 1.7 ft | 4s | ↓ S | +0.5 ft |
| 15:00 | 76°F | 1.8 ft | 4s | ↓ S | -0.1 ft |