YachtWay Waters / Massachusetts / Plum Island, Merrimack River Entrance
Plum Island, Merrimack River Entrance tide times
High and low tides for the next 7 days at Plum Island, Merrimack River Entrance in Massachusetts. Heights in feet above mean lower low water (MLLW).
Open live tide chart| NOAA station | 8440452 |
|---|---|
| Station type | Harmonic (reference) |
| Position | 42° 49.002′ N, 70° 49.200′ W |
| Mean high water above MLLW | 8.29 ft |
| Range this week | -0.1 ft to 8.9 ft |
Tide times, next 7 days
| Day | Time | Tide | Height |
|---|---|---|---|
| Fri 6 Nov | 2:39 AM | Low | 0.3 ft |
| Fri 6 Nov | 8:52 AM | High | 8.7 ft |
| Fri 6 Nov | 3:13 PM | Low | 0.1 ft |
| Fri 6 Nov | 9:20 PM | High | 8.1 ft |
| Sat 7 Nov | 3:27 AM | Low | 0.4 ft |
| Sat 7 Nov | 9:39 AM | High | 8.9 ft |
| Sat 7 Nov | 4:01 PM | Low | -0.1 ft |
| Sat 7 Nov | 10:08 PM | High | 8.0 ft |
| Sun 8 Nov | 4:11 AM | Low | 0.5 ft |
| Sun 8 Nov | 10:21 AM | High | 8.9 ft |
| Sun 8 Nov | 4:46 PM | Low | -0.1 ft |
| Sun 8 Nov | 10:52 PM | High | 7.8 ft |
| Mon 9 Nov | 4:52 AM | Low | 0.7 ft |
| Mon 9 Nov | 11:02 AM | High | 8.9 ft |
| Mon 9 Nov | 5:27 PM | Low | -0.1 ft |
| Mon 9 Nov | 11:34 PM | High | 7.7 ft |
| Tue 10 Nov | 5:32 AM | Low | 0.9 ft |
| Tue 10 Nov | 11:41 AM | High | 8.7 ft |
| Tue 10 Nov | 6:07 PM | Low | -0.0 ft |
| Wed 11 Nov | 12:14 AM | High | 7.5 ft |
| Wed 11 Nov | 6:11 AM | Low | 1.1 ft |
| Wed 11 Nov | 12:20 PM | High | 8.6 ft |
| Wed 11 Nov | 6:47 PM | Low | 0.1 ft |
| Thu 12 Nov | 12:54 AM | High | 7.3 ft |
| Thu 12 Nov | 6:50 AM | Low | 1.3 ft |
| Thu 12 Nov | 1:00 PM | High | 8.4 ft |
| Thu 12 Nov | 7:27 PM | Low | 0.3 ft |
Bridges nearby
- Water Plum Island River · 1.1 nm
- Water Parker River · 3.5 nm
- Water Merrimack River · 4.0 nm
- Hampton River · 4.8 nm
- Water Merrimack River · 7.9 nm
Marinas nearby
- Newburyport Harbor Marina · 2.0 nm
- Hilton's Marina · 2.3 nm
- Windward Yacht Yard · 2.4 nm
- North End Boat Club · 2.7 nm
- Riverfront Marina · 3.5 nm
YachtWay Waters: tides, bridges, inlets and marinas. Updated 5 Nov 2026. Tides: NOAA CO-OPS. Bridges: NOAA Coast Pilot, FHWA National Bridge Inventory. Marinas: YachtWay, OpenStreetMap. Built by YachtWay.