LoupeLabMoon Phase in Boston Today
Saturday, May 9, 2026 · United States
Last Quarter
55% illuminated
Tonight’s Moon in Boston
The Moon & Boston
northern latitude means dramatic seasonal variation in moon altitude
Lunar Culture in Boston
Boston's Harvard College Observatory, established in 1839, was among the first to systematically photograph the moon. MIT's Haystack Observatory continues lunar research today. The city's maritime heritage is deeply tied to lunar cycles: colonial-era shipping relied on tide tables, and Boston Harbor's tidal range of 2.9 meters is one of the largest on the East Coast.
How the Moon Affects Boston
Boston Harbor's significant tidal range governs ship passage, recreational boating, and coastal erosion patterns throughout the year. The New England fishing industry, centered on Gloucester and New Bedford, uses lunar-based solunar tables for commercial and sport fishing. Lobster fishermen in particular track moon phases for optimal trapping conditions.
Best Moon Viewing in Boston
Castle Island in South Boston offers a clear eastern horizon over the harbor. The esplanade along the Charles River provides a scenic moonrise view framed by the Cambridge skyline.
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Upcoming Lunar Events
New Moon
Saturday, May 16, 2026
Full MoonFlower Moon
Sunday, May 31, 2026
New Moon
Sunday, June 14, 2026
Full MoonStrawberry Moon
Monday, June 29, 2026
New Moon
Tuesday, July 14, 2026
Full MoonBuck Moon
Wednesday, July 29, 2026
Moonphase Watches & Boston
Set Your Moonphase Watch in Boston
To set your moonphase complication in Boston: wait for the next full moon (Sunday, May 31), then advance the moonphase disc to show a full moon centered in the aperture. Set the time to 1:48 AM local time. Use our drift calculator to check if your complication has drifted since you last set it.
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