Live from NOAA · updated every six minutes
The tide, where you're standing.
Perigee finds the tide gauge nearest you and charts what the water is doing right now — tides, currents, wind, and the sky that drives them, for every NOAA station on the US coast.
Boston, Massachusetts
Sta. 8443970Today's featured station — allow location access to see the water nearest you.
The soundings
Everything the gauge hears
Water
- Observed water levels to six-minute resolution
- Tide predictions, high/low or continuous curve
- Currents by depth bin, with flood and ebb direction
- Flood thresholds and sea level trends per station
Weather
- Wind speed, gusts, and direction at the water's edge
- Air and water temperature, pressure, visibility
- Sea level trends and high-tide flooding counts
- Extreme water level statistics per station
Sky
- Moon phase, illumination, age, and distance
- Sunrise, sunset, twilights, and golden hour
- Next new and full moons for any date
- Computed locally — works for any point on Earth
The watch list
Know the water before you go
Fishing & boating
Time the bite and the launch: next high and low, current speed and direction, and the wind on the water — all on one chart.
Surf, paddle & swim
See the tide curve for the next two days, water temperature at the buoy, and when golden hour hits your break.
Coastal living
High-tide flooding counts, flood thresholds, and sea level trends for your stretch of shoreline — the long view, not just today.
Find your station
From Eastport to Pago Pago, if NOAA keeps a gauge there, it's on the chart.
Open the chartBuilding something? The same data is an API →