NDBC NWWH1 · Tide gauge · Hawaii

Nawiliwili, Kauai, HI

21°57.2′N 159°21.2′W

Reading the gauge's spectra from NDBC…

At the shore, at this coastline's 1:10m scale 8 nmi SSW of Kapa‘a Coastline: Natural Earth · places: GeoNames

A simulation of the sea at this gauge, built from its wave measurements. The wave heights, periods and directions are real; the exact position of each crest is not. How it is made

This page is drawn by script. The CSV and JSON downloads have every observation.

Every measurement · last 48 hours

What the gauge reports

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