You don't need both. The tide will tell you the moon phase, and vice versa.
For this area, the two key tidal stations are Boston and Newport. Cape Cod Bay, the backside, and Nantucket Sound run off Boston. Local variations along the main coastline will only be a matter of minutes. Vineyard Sound, Buzzards Bay and Rhody's open coast run off Newport. Same local variations.
Boston's high tide will be at midnight on the new and full moons, and around 6 PM on the half moons. Newport's high will be around 8:15 PM on the new and full, and around 2:30 on the halfs. They'll run about 40 minutes later each succeeding day.
In the Canal, low slack will be between 4:10 and 4:30 on the new and full moons. High slack will be around the same time on the halfs. Figure the same 40-45 minute later time frame each succeeding day.
Estuaries will vary, but if you know the difference for the water you fish, you only need to know the moon phase to know what time the tide is.
Moon and tide are married to each other. If you know one, you can figure out the other.
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