New England
Poponesset Island
Poponesset Bay · Massachusetts · NOAA station 8447742 · Tide predictions
41.5867, -70.4633
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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
Nantucket Sound buoy · 11 mi SE · Station 44020
Wind & wave reports →
Nearby tide stations
- Cotuit Highlands · 2.0 mi NE
- Falmouth Heights · 7.3 mi SW
- Hyannis Port · 9.0 mi E
- Chappaquoit Point, West Falmouth Harbor · 9.8 mi W
- Oak Bluffs · 10.1 mi SW
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 2.8 ft — Tue Jul 6 · 3:08 AM
Lowest predicted low tide: -0.4 ft — Sat Jan 23 · 7:41 PM
Biggest single-day swing: 3.2 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Fri Jan 22 | 6:50 PM | -0.4 ft |
| Sat Feb 20 | 6:31 PM | -0.3 ft |
| Wed Aug 4 | 9:03 AM | -0.3 ft |
| Tue Jul 6 | 9:24 AM | -0.3 ft |
| Tue Aug 3 | 8:12 AM | -0.3 ft |
| Thu Jan 21 | 5:57 PM | -0.3 ft |
| Mon Jul 5 | 8:32 AM | -0.3 ft |
| Mon Feb 22 | 7:39 AM | -0.3 ft |
| Tue Feb 23 | 8:29 AM | -0.3 ft |
| Wed Jul 7 | 10:16 AM | -0.3 ft |
171 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
NOAA builds the predictions for Poponesset Island, Poponesset Bay from the BOSTON station: high tides about 0.24× the height, 123 min later; low tides about 0.24× the height, 112 min later.
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.