Coastal Flood Advisory
Datum
?
Datum quick definitions
MLLW
: Mean Lower Low Water — the average of the lower of the two daily low tides.
MSL
: Mean Sea Level — the long-term average sea level over a standard period.
NAVD88
: North American Vertical Datum of 1988 — a geodetic land-based elevation reference used on maps and surveys.
MHHW
: Mean Higher High Water — the average of the higher of the two daily high tides.
Last updated: —
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Live conditions
Time Expressed In ET
Daily range (
—
)
Current water elevation
—
ft MLLW
Updated: —
Max
—
ft MLLW
—
Min
—
ft MLLW
—
—
Flood outlook (Next 72 Hours)
Minor
—
hrs
Moderate
—
hrs
Major
—
hrs
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—
—
—
Minor
7.20–8.20 ft
Moderate
8.20–9.20 ft
Major
≥ 9.20 ft
Observations (USGS) & Predictions (NOAA)
Forecast
OFF
Minor
—
Moderate
—
Major
—
Flooding throughout the year
Computing…
Forecast
OFF
Flooding over the years
Total
Minor
Moderate
Major
Forecast
OFF
Sea Level Trends
Forecast
OFF
Average number of floods per month
Total
Minor
Moderate
Major
Computing…
Historic flooding filter (enter a range)
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Date (EST)
Rank
Peak (ft MLLW)
Type
NJ tide gauge map
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