New England
Plum Island Sound (south end)
Massachusetts · NOAA station 8441241 · Tide predictions
42.7101, -70.7886
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48-hour outlook
Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.
Drawn from the high/low predictions — NOAA publishes high/low only for this station.
The next seven days
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H = high tide · L = low tide · highs & lows in local time
On the water nearby
Buoy A01 buoy · 17 mi SE · Station 44029
Wind & wave reports →
Nearby tide stations
- Essex · 5.5 mi S
- Annisquam, Lobster Cove · 6.8 mi SE
- Plum Island, Merrimack River Entrance · 7.5 mi N
- Newburyport · 8.4 mi NW
- Gloucester Harbor · 9.5 mi SE
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 11.0 ft — Tue Jul 6 · 1:25 AM
Lowest predicted low tide: -1.4 ft — Sat Jan 23 · 6:12 PM
Biggest single-day swing: 12.2 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sat Jan 23 | 6:12 PM | -1.4 ft |
| Fri Jan 22 | 5:22 PM | -1.2 ft |
| Tue Jul 6 | 7:56 AM | -1.1 ft |
| Wed Aug 4 | 7:34 AM | -1.1 ft |
| Sun Feb 21 | 5:50 PM | -1.1 ft |
| Wed Jul 7 | 8:47 AM | -1.1 ft |
| Thu Aug 5 | 8:23 AM | -1.0 ft |
| Sat Feb 20 | 5:02 PM | -1.0 ft |
| Mon Jul 5 | 7:05 AM | -1.0 ft |
| Mon Feb 22 | 6:37 PM | -1.0 ft |
187 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.
About this station
Plum Island Sound (south end) is one of NOAA's reference tide stations — its predictions are computed directly from harmonic analysis of water levels observed here, and other nearby stations are calculated from it.
Rocky shores and the country's biggest northern ranges: Eastport flirts with 20 ft, and the Gulf of Maine funnels weather as much as tide. Harbors here float — or sit in the mud — on the moon's schedule.