Mystic R at Amelia Earhart Dam nr Somerville Ma Tide Times

Massachusetts, United States · 42.3957°N, 71.0751°W

Note: Mystic R at Amelia Earhart Dam nr Somerville Ma has a very small astronomical tide — about 9 cm between high and low water. Day-to-day changes in water level here are driven mainly by wind, air pressure and seiche rather than the tide, so observed levels can differ noticeably from these predictions.

Today — Thu, Aug 20

  • Low Tide1:29 AM0.26m (0.8ft) LAT
  • High Tide9:09 AM0.34m (1.1ft) LAT
  • Low Tide1:53 PM0.27m (0.9ft) LAT
  • High Tide9:27 PM0.34m (1.1ft) LAT

Fri, Aug 21

  • Low Tide2:29 AM0.26m (0.8ft) LAT
  • High Tide10:00 AM0.34m (1.1ft) LAT
  • Low Tide2:48 PM0.27m (0.9ft) LAT
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Station Details

Location
Mystic R at Amelia Earhart Dam nr Somerville Ma, Massachusetts, United States
Coordinates
42.3957°N, 71.0751°W
Station ID
mystic_r_at_amelia_earhart_dam_nr_somerville_ma-1103050-usa-usgs
Type
Reference (harmonic)
Timezone
America/New_York
Datum
MLLW (Mean Lower Low Water)
Source
TICON-4 (SHOM)

Tide Chart for Mystic R at Amelia Earhart Dam nr Somerville Ma

Sun

Rise --
Set --

Moon

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Tidal Conditions

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Fishing & Tides at Mystic R at Amelia Earhart Dam nr Somerville Ma — Thursday, August 20

Poor fishing day
First Quarter · 56% illuminated

Best fishing times today

  • Minor10:21 PM – 11:21 PM
  • Major5:44 AM – 7:44 AM☀ prime
  • Minor2:14 PM – 3:14 PM
  • Major6:06 PM – 8:06 PM☀ prime
Neap tides — a smaller tidal range than usual today

The moon is at a quarter phase, so today's high and low tides are closer together than usual.

7-Day Tide Table & Forecast for Mystic R at Amelia Earhart Dam nr Somerville Ma

Legend — How to read this forecast
High Tide / Low Tide — Predicted peak and trough water levels with time and height.
☀️ Sunrise / Sunset — Local times for the station’s timezone.
🌙 Moon Phase — Current lunar phase and illumination percentage. New/Full moons correlate with stronger (spring) tides; Quarter moons with weaker (neap) tides.
🌊 Spring / NeapSpring tides (near new/full moon) have larger tidal ranges. Neap tides (near quarter moons) have smaller ranges. Moderate is in between.
🎣 Fishing (Solunar)★★★★★ 1–5 star rating based on moon phase and lunar distance. Best fishing is typically around new and full moons when the moon is closest (perigee). Major feeding periods occur when the moon is overhead or underfoot.
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Tidal constituents from TICON-4 (SHOM/SEANOE), licensed CC-BY-4.0 (doi:10.17882/109129). Citation: Lefèvre F., Carre H., Faucher C. (2025).
Data: NOAA CO-OPS, TICON-4 (CC-BY-4.0, SHOM/SEANOE), FES2022 (AVISO+/CNES). About & Sources