Submit by August 17, 2019.Read More
An error made in production resulted in incorrect values for the Sun’s Declination table that appears on p. 233. A corrected table is available for download here. We deeply regret the error and any inconvenience.Read More
Submit by August 18, 2018.Read More
Submit by August 19, 2017.Read More
Includes additional information for Woods Hole and The Race.Read More
We hope that you will never need this information...Read More
The tide cycle, simplified.Read More
An advertisement from the 1925 edition, posted just because we like the look of it.