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Fort McHenry Marsh Tide Times

Maryland · Station 8574683 · Updated Sep 19, 2026

Fort McHenry Marsh runs a mean tidal range of about 1.1 ft. This month the highest water, 2.0 ft, comes on the evening of Sep 30, and the lowest, 0.3 ft, on the afternoon of Sep 30.

Nearest gauge measuring live water level: Baltimore, Fort McHenry (8574680), under a mile away — with nearly the same tide times.

Predictedno live gauge
Next low tide 0.9 ft at 8:58 AM
High 1.7 ft · 1:31 AMLow 0.9 ft · 8:58 AMHigh 1.1 ft · 1:12 PMLow 0.5 ft · 6:54 PM
Predicted
Today's tides
High tide1:31 AM1.7 ft
Low tide8:58 AM0.9 ft
High tide1:12 PM1.1 ft
Low tide6:54 PM0.5 ft

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Fort McHenry Marsh this month: Sep 1, Sep 2, Sep 4, Sep 5, Sep 6, Sep 7, Sep 8, Sep 9, Sep 10, Sep 13, Sep 14, Sep 15 …. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.

September 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1L:0.7H:1.4L:0.4H:1.9
2L:0.7H:1.3L:0.4H:2.0
3🌗L:0.8H:1.2L:0.4
4🌗H:2.0L:0.8H:1.2L:0.4
5🌗H:2.0L:0.8H:1.2L:0.4
6🌗H:2.0L:0.7H:1.2L:0.4
7H:2.0L:0.6H:1.3L:0.4
8H:2.0L:0.6H:1.4L:0.4
9H:2.0L:0.5H:1.6
10L:0.4H:1.9L:0.4H:1.7
11🌑L:0.4H:1.8L:0.3H:1.8
12🌑L:0.5H:1.7L:0.3H:1.9
13🌑L:0.5H:1.6L:0.4H:1.9
14L:0.6H:1.4L:0.4H:1.9
15L:0.7H:1.3L:0.4H:1.9
16L:0.8H:1.2L:0.4H:1.9
17L:0.8H:1.1L:0.4
18🌓H:1.8L:0.9H:1.1L:0.5
19🌓H:1.7L:0.9H:1.1L:0.5
20🌓H:1.7L:0.9H:1.1L:0.5
21🌓H:1.7L:0.8H:1.2L:0.6
22H:1.7L:0.7H:1.2L:0.6
23H:1.7L:0.6H:1.3L:0.6
24H:1.7L:0.6H:1.4
25🌕L:0.6H:1.7L:0.5H:1.6
26🌕L:0.6H:1.6L:0.4H:1.7
27🌕L:0.6H:1.5L:0.4H:1.9
28🌕L:0.6H:1.4L:0.3H:2.0
29L:0.6H:1.3L:0.3H:2.0
30L:0.6H:1.2L:0.3H:2.0

Best fishing times (solunar)

Major and minor solunar windows for Fort McHenry Marsh, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

DayMajor windowsMinor windowsScore
Today 🌓6:54–8:54 PM
7:19–9:19 AM		2:24–4:24 PM
—		41
Sun Sep 20 🌓7:43–9:43 PM
8:08–10:08 AM		3:04–5:04 PM
11:26–1:26 AM		54
Mon Sep 21 🌓8:30–10:30 PM
8:55–10:55 AM		3:38–5:38 PM
12:26–2:26 AM		67
Tue Sep 22 🌔9:16–11:16 PM
9:41–11:41 AM		4:07–6:07 PM
1:29–3:29 AM		77
Wed Sep 23 🌔10:00–12:00 AM
10:25–12:25 PM		4:32–6:32 PM
2:33–4:33 AM		86
Thu Sep 24 🌔10:43–12:43 AM
11:08–1:08 PM		4:56–6:56 PM
3:37–5:37 AM		93
Fri Sep 25 🌕—
—		5:19–7:19 PM
4:41–6:41 AM		96

Predictions & observations: NOAA CO-OPS station 8574683. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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