New England
Riverside
Massachusetts · NOAA station 8440889 · Tide predictions
42.7639, -71.0340
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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
Great Bay Buoy buoy · 23 mi N · Station 44074
Wind & wave reports →
Nearby tide stations
- Merrimacport · 4.8 mi NE
- Salisbury Point · 8.2 mi NE
- Newburyport · 8.9 mi NE
- Plum Island, Merrimack River Entrance · 11.4 mi E
- Plum Island Sound (south end) · 13.0 mi E
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 7.0 ft — Mon Jun 7 · 3:32 AM
Lowest predicted low tide: -0.7 ft — Sun Jan 24 · 9:40 PM
Biggest single-day swing: 7.4 ft on Tue Jul 6
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Tue Feb 23 | 9:34 AM | -0.5 ft |
| Mon Feb 22 | 8:44 AM | -0.5 ft |
| Tue Mar 23 | 9:26 AM | -0.5 ft |
| Wed Aug 4 | 10:14 AM | -0.5 ft |
| Wed Mar 24 | 10:14 AM | -0.5 ft |
| Wed Feb 24 | 10:25 AM | -0.5 ft |
| Thu Aug 5 | 11:01 AM | -0.5 ft |
| Wed Jul 7 | 11:27 AM | -0.4 ft |
| Fri Feb 19 | 6:50 PM | -0.4 ft |
| Tue Jul 6 | 10:38 AM | -0.4 ft |
168 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
Riverside 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.