Tide station · Maryland

Fort McHenry Marsh tides

Times are local (America/New_York, GMT-5). Predicted tides, not live water levels. Not for navigation.

Right now

Falling

Next low 4:11 AM, 0.5 ft (0.15 m), in 19 min.

Today · Fri, Nov 13

Low4:11 AM0.5 ft 0.15 m
High8:44 AM0.9 ft 0.28 m
Low2:23 PM0.1 ft 0.04 m
High9:32 PM1.5 ft 0.45 m

Next 7 days

Feet · orange dots are highs, black dots are lows

High and low tides for the next seven days
Day	Tides (local time, height)
Fri, Nov 13	L 4:11 AM · 0.5 ft H 8:44 AM · 0.9 ft L 2:23 PM · 0.1 ft H 9:32 PM · 1.5 ft
Sat, Nov 14	L 4:57 AM · 0.5 ft H 9:31 AM · 0.9 ft L 3:08 PM · 0.2 ft H 10:14 PM · 1.4 ft
Sun, Nov 15	L 5:42 AM · 0.4 ft H 10:23 AM · 0.9 ft L 3:56 PM · 0.2 ft H 10:57 PM · 1.4 ft
Mon, Nov 16	L 6:27 AM · 0.4 ft H 11:21 AM · 0.8 ft L 4:48 PM · 0.3 ft H 11:41 PM · 1.4 ft
Tue, Nov 17	L 7:09 AM · 0.3 ft H 12:23 PM · 0.9 ft L 5:48 PM · 0.3 ft
Wed, Nov 18	H 12:28 AM · 1.3 ft L 7:47 AM · 0.3 ft H 1:22 PM · 0.9 ft L 6:57 PM · 0.4 ft
Thu, Nov 19	H 1:18 AM · 1.3 ft L 8:22 AM · 0.2 ft H 2:15 PM · 1.1 ft L 8:19 PM · 0.4 ft

About this station

Fort McHenry Marsh is a NOAA reference station in Maryland, with its own harmonic constants. Heights are feet above mean lower low water (MLLW).

Tide type: Mixed, mostly semidiurnal: two highs and two lows a day, one pair noticeably bigger than the other.

This week the biggest swing between high and low is 1.3 ft; the average swing is 0.8 ft.

Station facts

Station ID: 8574683
Source: NOAA CO-OPS
Type: Reference station
Coordinates: 39.2617, -76.5850
Datum: MLLW (mean lower low water)
Tide type: Mixed, mostly semidiurnal
Time zone: America/New_York

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