Which unusual tides line up closest to a new or full moon?
Compare upcoming NOAA high and low tides with locally calculated moon phase and new/full-moon proximity for one supported U.S. coast desk.
Matching tides with lunar phase
Ranking locally unusual tides while keeping the moon relationship as context, not a flood forecast.
Use the score as a filter, not an all-clear.Official warnings, local closures, surf conditions and access rules always take priority.
Why new/full moon proximity matters — and why it is not enough.
New and full moons are associated with spring-tide conditions, but the height and timing at one harbor are governed by that station’s local tidal harmonics. CoastEventRadar therefore starts with NOAA’s actual station prediction and adds lunar phase as a second layer.