Maryland tide station
Fort McHenry Marsh tide times
Today, Sunday, October 18, 2026: high tide at 12:44 AM (1.6 ft) and 12:45 PM (1.1 ft); low tide at 8:11 AM (0.7 ft) and 6:22 PM (0.5 ft). Water temperature 73.0 F at buoy BLTM2 (0.5 mi away).
High tide▲
12:44AM
1.6FT MLLW
high
Low tide▼
8:11AM
0.7FT MLLW
low
High tide▲
12:45PM
1.1FT MLLW
high
Low tide▼
6:22PM
0.5FT MLLW
low
Water temp°F
73.0
22.8C
buoy BLTM2, 0.5 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 8:11 AM (0.7 ft).
First Quarter 51% litSunrise 7:19 AMSunset 6:23 PMDaylight 11h 03mEDT
- High tide at Fort McHenry Marsh, Maryland on is at 12:44 AM (1.6 ft above MLLW) and 12:45 PM (1.1 ft above MLLW).
- Low tide at Fort McHenry Marsh on is at 8:11 AM (0.7 ft) and 6:22 PM (0.5 ft).
- Today's tidal range at Fort McHenry Marsh is 1.1 ft (highest high 1.6 ft, lowest low 0.5 ft).
- The nearest NOAA water temperature to Fort McHenry Marsh is 73.0 F at buoy BLTM2 (0.5 mi away), as of .
- Sunrise 7:19 AM, sunset 6:23 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8574683 (harmonic reference station), heights above MLLW.
Next 7 days at Fort McHenry Marsh
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 12:44 AM1.6 ft | 8:11 AM0.7 ft | 12:45 PM1.1 ft | 6:22 PM0.5 ft | 7:19 AM | 6:23 PM | 51% |
| Mon Oct 19 | 1:37 AM1.6 ft | 8:58 AM0.7 ft | 1:51 PM1.1 ft | 7:21 PM0.5 ft | 7:20 AM | 6:22 PM | 61% |
| Tue Oct 20 | 2:27 AM1.5 ft | 9:44 AM0.6 ft | 2:55 PM1.1 ft | 8:25 PM0.5 ft | 7:22 AM | 6:21 PM | 71% |
| Wed Oct 21 | 3:15 AM1.5 ft | 10:25 AM0.5 ft | 3:51 PM1.2 ft | 9:38 PM0.6 ft | 7:23 AM | 6:19 PM | 80% |
| Thu Oct 22 | 4:00 AM1.5 ft | 11:02 AM0.4 ft | 4:41 PM1.3 ft | 10:54 PM0.5 ft | 7:24 AM | 6:18 PM | 88% |
| Fri Oct 23 | 4:44 AM1.5 ft | 11:34 AM0.4 ft | 5:27 PM1.5 ft | 7:25 AM | 6:17 PM | 94% | |
| Sat Oct 24 | 12:02 AM0.5 ft | 5:28 AM1.4 ft | 12:02 PM0.3 ft | 6:10 PM1.7 ft | 7:26 AM | 6:15 PM | 98% |
Water temperature near Fort McHenry Marsh
73.0 F (22.8 C)
NDBC buoy BLTM2 (8574680 - Baltimore, MD), 0.5 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Fort McHenry Marsh, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.
Tide tables
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 7:03 AM | 6:49 PM | 72% | ||||
| Fri Oct 2 | 7:04 AM | 6:48 PM | 62% | ||||
| Sat Oct 3 | 7:05 AM | 6:46 PM | 52% | ||||
| Sun Oct 4 | 7:06 AM | 6:44 PM | 41% | ||||
| Mon Oct 5 | 7:06 AM | 6:43 PM | 31% | ||||
| Tue Oct 6 | 7:07 AM | 6:41 PM | 22% | ||||
| Wed Oct 7 | 7:08 AM | 6:40 PM | 14% | ||||
| Thu Oct 8 | 7:09 AM | 6:38 PM | 7% | ||||
| Fri Oct 9 | 7:10 AM | 6:37 PM | 3% | ||||
| Sat Oct 10 | 7:11 AM | 6:35 PM | 0% | ||||
| Sun Oct 11 | 7:12 AM | 6:34 PM | 0% | ||||
| Mon Oct 12 | 7:13 AM | 6:32 PM | 2% | ||||
| Tue Oct 13 | 7:14 AM | 6:31 PM | 7% | ||||
| Wed Oct 14 | 7:15 AM | 6:29 PM | 13% | ||||
| Thu Oct 15 | 7:16 AM | 6:28 PM | 21% | ||||
| Fri Oct 16 | 6:33 AM0.7 ft | 10:55 AM1.1 ft | 4:34 PM0.4 ft | 11:52 PM1.6 ft | 7:17 AM | 6:26 PM | 30% |
| Sat Oct 17 | 7:22 AM0.8 ft | 11:45 AM1.1 ft | 5:27 PM0.4 ft | 7:18 AM | 6:25 PM | 40% | |
| Sun Oct 18today | 12:44 AM1.6 ft | 8:11 AM0.7 ft | 12:45 PM1.1 ft | 6:22 PM0.5 ft | 7:19 AM | 6:23 PM | 51% |
| Mon Oct 19 | 1:37 AM1.6 ft | 8:58 AM0.7 ft | 1:51 PM1.1 ft | 7:21 PM0.5 ft | 7:20 AM | 6:22 PM | 61% |
| Tue Oct 20 | 2:27 AM1.5 ft | 9:44 AM0.6 ft | 2:55 PM1.1 ft | 8:25 PM0.5 ft | 7:22 AM | 6:21 PM | 71% |
| Wed Oct 21 | 3:15 AM1.5 ft | 10:25 AM0.5 ft | 3:51 PM1.2 ft | 9:38 PM0.6 ft | 7:23 AM | 6:19 PM | 80% |
| Thu Oct 22 | 4:00 AM1.5 ft | 11:02 AM0.4 ft | 4:41 PM1.3 ft | 10:54 PM0.5 ft | 7:24 AM | 6:18 PM | 88% |
| Fri Oct 23 | 4:44 AM1.5 ft | 11:34 AM0.4 ft | 5:27 PM1.5 ft | 7:25 AM | 6:17 PM | 94% | |
| Sat Oct 24 | 12:02 AM0.5 ft | 5:28 AM1.4 ft | 12:02 PM0.3 ft | 6:10 PM1.7 ft | 7:26 AM | 6:15 PM | 98% |
| Sun Oct 25 | 1:04 AM0.4 ft | 6:11 AM1.3 ft | 12:28 PM0.2 ft | 6:54 PM1.8 ft | 7:27 AM | 6:14 PM | 100% |
| Mon Oct 26 | 2:01 AM0.4 ft | 6:54 AM1.2 ft | 12:57 PM0.2 ft | 7:40 PM1.9 ft | 7:28 AM | 6:13 PM | 99% |
| Tue Oct 27 | 2:58 AM0.4 ft | 7:39 AM1.1 ft | 1:32 PM0.1 ft | 8:29 PM2.0 ft | 7:29 AM | 6:11 PM | 97% |
| Wed Oct 28 | 3:53 AM0.4 ft | 8:25 AM1.1 ft | 2:15 PM0.1 ft | 9:21 PM2.0 ft | 7:30 AM | 6:10 PM | 92% |
| Thu Oct 29 | 4:50 AM0.4 ft | 9:15 AM1.0 ft | 3:08 PM0.1 ft | 10:17 PM1.9 ft | 7:31 AM | 6:09 PM | 85% |
| Fri Oct 30 | 5:46 AM0.5 ft | 10:09 AM1.0 ft | 4:12 PM0.1 ft | 11:15 PM1.8 ft | 7:32 AM | 6:08 PM | 77% |
| Sat Oct 31 | 6:41 AM0.5 ft | 11:09 AM1.1 ft | 5:25 PM0.1 ft | 7:33 AM | 6:06 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 12:16 AM1.7 ft | 6:33 AM0.4 ft | 11:16 AM1.1 ft | 5:42 PM0.2 ft | 6:34 AM | 5:05 PM | 57% |
| Mon Nov 2 | 12:16 AM1.6 ft | 7:24 AM0.4 ft | 12:28 PM1.2 ft | 6:56 PM0.3 ft | 6:36 AM | 5:04 PM | 46% |
| Tue Nov 3 | 1:13 AM1.5 ft | 8:13 AM0.3 ft | 1:38 PM1.3 ft | 8:10 PM0.3 ft | 6:37 AM | 5:03 PM | 36% |
| Wed Nov 4 | 2:07 AM1.5 ft | 8:59 AM0.2 ft | 2:43 PM1.4 ft | 9:21 PM0.4 ft | 6:38 AM | 5:02 PM | 26% |
| Thu Nov 5 | 2:56 AM1.4 ft | 9:42 AM0.2 ft | 3:40 PM1.5 ft | 10:28 PM0.4 ft | 6:39 AM | 5:01 PM | 17% |
| Fri Nov 6 | 3:43 AM1.3 ft | 10:22 AM0.1 ft | 4:31 PM1.6 ft | 11:29 PM0.4 ft | 6:40 AM | 5:00 PM | 10% |
| Sat Nov 7 | 4:28 AM1.2 ft | 10:58 AM0.1 ft | 5:18 PM1.7 ft | 6:41 AM | 4:59 PM | 5% | |
| Sun Nov 8 | 12:24 AM0.4 ft | 5:12 AM1.1 ft | 11:31 AM0.1 ft | 6:02 PM1.7 ft | 6:42 AM | 4:58 PM | 1% |
| Mon Nov 9 | 1:13 AM0.4 ft | 5:55 AM1.0 ft | 12:01 PM0.1 ft | 6:44 PM1.7 ft | 6:43 AM | 4:57 PM | 0% |
| Tue Nov 10 | 1:59 AM0.4 ft | 6:37 AM1.0 ft | 12:31 PM0.1 ft | 7:26 PM1.7 ft | 6:45 AM | 4:56 PM | 1% |
| Wed Nov 11 | 2:43 AM0.4 ft | 7:19 AM1.0 ft | 1:04 PM0.1 ft | 8:08 PM1.6 ft | 6:46 AM | 4:55 PM | 4% |
| Thu Nov 12 | 3:27 AM0.5 ft | 8:01 AM0.9 ft | 1:41 PM0.1 ft | 8:50 PM1.5 ft | 6:47 AM | 4:54 PM | 10% |
| Fri Nov 13 | 4:11 AM0.5 ft | 8:44 AM0.9 ft | 2:23 PM0.1 ft | 9:32 PM1.5 ft | 6:48 AM | 4:53 PM | 17% |
| Sat Nov 14 | 4:57 AM0.5 ft | 9:31 AM0.9 ft | 3:08 PM0.2 ft | 10:14 PM1.4 ft | 6:49 AM | 4:53 PM | 25% |
| Sun Nov 15 | 5:42 AM0.4 ft | 10:23 AM0.9 ft | 3:56 PM0.2 ft | 10:57 PM1.4 ft | 6:50 AM | 4:52 PM | 35% |
| Mon Nov 16 | 6:27 AM0.4 ft | 11:21 AM0.9 ft | 4:48 PM0.3 ft | 11:41 PM1.4 ft | 6:51 AM | 4:51 PM | 45% |
| Tue Nov 17 | 7:09 AM0.3 ft | 12:23 PM0.9 ft | 5:48 PM0.3 ft | 6:52 AM | 4:50 PM | 56% | |
| Wed Nov 18 | 12:28 AM1.3 ft | 7:47 AM0.3 ft | 1:22 PM0.9 ft | 6:57 PM0.4 ft | 6:53 AM | 4:50 PM | 66% |
| Thu Nov 19 | 1:18 AM1.3 ft | 8:22 AM0.2 ft | 2:15 PM1.1 ft | 8:19 PM0.4 ft | 6:55 AM | 4:49 PM | 76% |
| Fri Nov 20 | 2:09 AM1.2 ft | 8:52 AM0.2 ft | 3:04 PM1.2 ft | 9:41 PM0.3 ft | 6:56 AM | 4:48 PM | 84% |
| Sat Nov 21 | 2:59 AM1.1 ft | 9:22 AM0.1 ft | 3:51 PM1.4 ft | 10:53 PM0.3 ft | 6:57 AM | 4:48 PM | 91% |
| Sun Nov 22 | 3:49 AM1.0 ft | 9:54 AM0.0 ft | 4:38 PM1.6 ft | 11:55 PM0.2 ft | 6:58 AM | 4:47 PM | 96% |
| Mon Nov 23 | 4:37 AM0.9 ft | 10:33 AM-0.1 ft | 5:28 PM1.7 ft | 6:59 AM | 4:47 PM | 99% | |
| Tue Nov 24 | 12:51 AM0.2 ft | 5:25 AM0.8 ft | 11:18 AM-0.2 ft | 6:19 PM1.8 ft | 7:00 AM | 4:46 PM | 100% |
| Wed Nov 25 | 1:44 AM0.1 ft | 6:14 AM0.8 ft | 12:09 PM-0.2 ft | 7:13 PM1.8 ft | 7:01 AM | 4:46 PM | 98% |
| Thu Nov 26 | 2:37 AM0.2 ft | 7:05 AM0.8 ft | 1:05 PM-0.3 ft | 8:08 PM1.8 ft | 7:02 AM | 4:45 PM | 95% |
| Fri Nov 27 | 3:29 AM0.2 ft | 7:59 AM0.9 ft | 2:06 PM-0.2 ft | 9:04 PM1.7 ft | 7:03 AM | 4:45 PM | 89% |
| Sat Nov 28 | 4:22 AM0.2 ft | 8:58 AM0.9 ft | 3:14 PM-0.2 ft | 10:00 PM1.6 ft | 7:04 AM | 4:45 PM | 81% |
| Sun Nov 29 | 5:13 AM0.2 ft | 10:01 AM0.9 ft | 4:28 PM-0.1 ft | 10:54 PM1.4 ft | 7:05 AM | 4:44 PM | 73% |
| Mon Nov 30 | 6:02 AM0.1 ft | 11:08 AM1.0 ft | 5:41 PM0.0 ft | 11:48 PM1.3 ft | 7:06 AM | 4:44 PM | 63% |
Tidal datums at Fort McHenry Marsh
Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8574683, in feet above MLLW:
MHHW
5.78 ft
Mean higher high water
MHW
5.48 ft
Mean high water
MSL
4.92 ft
Mean sea level
MLW
4.34 ft
Mean low water
MN
1.13 ft
Mean range
GT
1.66 ft
Diurnal range
Nearby tide stations
- Baltimore, Fort McHenry0.5 mi · next high 12:57 PM
- Hawkins Point4.6 mi · next high 12:57 PM
- Stony Creek7.5 mi · next high 1:00 PM
- North Point8.7 mi · next high 1:09 PM
- Cornfield Creek, Magothy River13 mi · next high 12:28 PM
- Mountain Point, Magothy River16 mi · next high 12:53 PM
Questions
What time is high tide at Fort McHenry Marsh today?
High tide at Fort McHenry Marsh, Maryland on Sunday, October 18, 2026 is at 12:44 AM (1.6 ft above MLLW) and 12:45 PM (1.1 ft above MLLW), NOAA prediction, local time.
What time is low tide at Fort McHenry Marsh today?
Low tide at Fort McHenry Marsh on Sunday, October 18, 2026 is at 8:11 AM (0.7 ft) and 6:22 PM (0.5 ft).
What is the water temperature at Fort McHenry Marsh?
The nearest NOAA water-temperature reading to Fort McHenry Marsh is 73.0 F at buoy BLTM2 (0.5 mi away), as of October 18, 2026.
Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 8574683.