


High UV Alert: SPF 50+ recommended at 12 PM (UV Index 7)
High Tide at 2:22 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: 7/16/2026, 6:15:00 AM
| Time | Air Temp | UV | Wind | Rain |
|---|---|---|---|---|
| 06:00 | 66° | 0 | 9 mph | 0 |
| 07:00 | 69° | 1 | 9 mph | 0 |
| 08:00 | 73° | 2 | 10 mph | 0 |
| 09:00 | 76° | 3 | 9 mph | 0 |
| 10:00 | 80° | 5 | 7 mph | 0 |
| 11:00 | 79° | 6 | 10 mph | 0 |
| 12:00 | 79° | 7 | 12 mph | 0 |
Updated: Updated: 7/16/2026, 6:15:00 AM
| Time | Temp | Wave | Period | Swell | Tide |
|---|---|---|---|---|---|
| 06:00 | 75°F | 1.1 ft | 5s | ↙ SW | -3.7 ft |
| 07:00 | 75°F | 1.1 ft | 6s | ↙ SW | -4.0 ft |
| 08:00 | 75°F | 1.1 ft | 6s | ↙ SW | -3.8 ft |
| 09:00 | 76°F | 1.1 ft | 5s | ↙ SW | -3.3 ft |
| 10:00 | 76°F | 1.2 ft | 5s | ↙ SW | -2.3 ft |
| 11:00 | 76°F | 1.3 ft | 4s | ↓ S | -1.1 ft |
| 12:00 | 76°F | 1.5 ft | 4s | ↓ S | +0.1 ft |