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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: 4/21/2026, 3:00:00 PM
| Time | Air Temp | UV | Wind | Rain |
|---|---|---|---|---|
| 15:00 | 44° | 6 | 10 mph | 0 |
| 16:00 | 42° | 4 | 10 mph | 0 |
| 17:00 | 42° | 3 | 8 mph | 0 |
| 18:00 | 41° | 2 | 8 mph | 0 |
| 19:00 | 39° | 1 | 7 mph | 0 |
| 20:00 | 37° | 0 | 4 mph | 0 |
| 21:00 | 36° | 0 | 5 mph | 0 |
Updated: Updated: 4/21/2026, 3:00:00 PM
| Time | Temp | Wave | Period | Swell | Tide |
|---|---|---|---|---|---|
| 15:00 | 48°F | 1.2 ft | 4s | ↗ NE | +0.1 ft |
| 16:00 | 48°F | 1.2 ft | 4s | ↗ NE | +0.2 ft |
| 17:00 | 48°F | 1.2 ft | 4s | ↗ NE | -0.4 ft |
| 18:00 | 48°F | 1.1 ft | 4s | ↗ NE | -1.5 ft |
| 19:00 | 48°F | 1.1 ft | 4s | ↗ NE | -2.8 ft |
| 20:00 | 48°F | 1.1 ft | 5s | ↗ NE | -3.6 ft |
| 21:00 | 48°F | 1 ft | 5s | ↗ NE | -3.7 ft |