Next high and low tide
Built from approved source fields with observation dates, provenance and limitations beside the answer.
US tide & marine conditions
Plan around the water, not around a generic forecast.
Official NOAA high and low tide predictions with recent water-level observations, datum, units and station status kept visible.
Observed level versus prediction
Built from approved source fields with observation dates, provenance and limitations beside the answer.
Datum and local-time explanation
Built from approved source fields with observation dates, provenance and limitations beside the answer.
Station coverage and freshness
Built from approved source fields with observation dates, provenance and limitations beside the answer.
A decision tool, not a data dump
From an official identifier to a useful, checkable answer.
01
Find the record
Search the approved projection—never an inferred or invented match.
02
Understand it
See dates, definitions, comparisons and limitations beside the answer.
03
Act safely
Open the official record, save a report or submit a documented correction.
Verified coverage
Browse official records
- Nawiliwili HI
- Honolulu HI
- Pearl Harbor HI
- Mokuoloe HI
- Kahului, Kahului Harbor HI
- Kawaihae HI
- Hilo, Hilo Bay, Kuhio Bay HI
- Sand Island, Midway Islands United States of America
- Apra Harbor, Guam United States of America
- Pago Bay, Guam United States of America
- Pago Pago, American Samoa American Samoa
- Kwajalein, Marshall Islands United States of America
- Wake Island, Pacific Ocean United States of America
- Bermuda Biological Station Bermuda
- Bermuda, St. Georges Island Bermuda
- Ogdensburg NY
- Alexandria Bay NY
- Eastport ME
- Cutler Farris Wharf ME
- Bar Harbor ME
- Portland ME
- Seavey Island ME
- Boston MA
- Fall River MA