South Carolina tide station
Fort Sumter tide times
Today, Sunday, October 18, 2026: high tide at 1:39 AM (4.6 ft) and 2:21 PM (5.3 ft); low tide at 7:31 AM (1.5 ft) and 8:40 PM (1.7 ft). Water temperature 72.9 F at Charleston (3.3 mi away).
High tide▲
1:39AM
4.6FT MLLW
high
Low tide▼
7:31AM
1.5FT MLLW
low
High tide▲
2:21PM
5.3FT MLLW
high
Low tide▼
8:40PM
1.7FT MLLW
low
Water temp°F
72.9
22.7C
Charleston, 3.3 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 7:31 AM (1.5 ft).
First Quarter 51% litSunrise 7:26 AMSunset 6:43 PMDaylight 11h 17mEDT
- High tide at Fort Sumter, South Carolina on is at 1:39 AM (4.6 ft above MLLW) and 2:21 PM (5.3 ft above MLLW).
- Low tide at Fort Sumter on is at 7:31 AM (1.5 ft) and 8:40 PM (1.7 ft).
- Today's tidal range at Fort Sumter is 3.7 ft (highest high 5.3 ft, lowest low 1.5 ft).
- The nearest NOAA water temperature to Fort Sumter is 72.9 F at Charleston (3.3 mi away), as of .
- Sunrise 7:26 AM, sunset 6:43 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8665728 (subordinate station), heights above MLLW.
Next 7 days at Fort Sumter
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 1:39 AM4.6 ft | 7:31 AM1.5 ft | 2:21 PM5.3 ft | 8:40 PM1.7 ft | 7:26 AM | 6:43 PM | 51% |
| Mon Oct 19 | 2:34 AM4.6 ft | 8:30 AM1.5 ft | 3:14 PM5.3 ft | 9:32 PM1.6 ft | 7:27 AM | 6:42 PM | 61% |
| Tue Oct 20 | 3:29 AM4.7 ft | 9:30 AM1.4 ft | 4:07 PM5.3 ft | 10:21 PM1.4 ft | 7:28 AM | 6:41 PM | 71% |
| Wed Oct 21 | 4:24 AM5.0 ft | 10:29 AM1.3 ft | 4:58 PM5.4 ft | 11:08 PM1.1 ft | 7:28 AM | 6:40 PM | 80% |
| Thu Oct 22 | 5:17 AM5.3 ft | 11:25 AM1.1 ft | 5:47 PM5.5 ft | 11:53 PM0.8 ft | 7:29 AM | 6:39 PM | 88% |
| Fri Oct 23 | 6:06 AM5.6 ft | 12:18 PM0.8 ft | 6:32 PM5.6 ft | 7:30 AM | 6:38 PM | 94% | |
| Sat Oct 24 | 12:37 AM0.5 ft | 6:52 AM6.0 ft | 1:10 PM0.6 ft | 7:15 PM5.7 ft | 7:31 AM | 6:37 PM | 98% |
Water temperature near Fort Sumter
72.9 F (22.7 C)
NOAA CO-OPS station 8665530 (Charleston sensor, 3.3 mi away), read 5:00 AM local, October 18, 2026
Over the past 30 days this sensor ranged from 72.9 to 85.1 F. Typical for October here is 72.7 F (5-year hourly mean; range 64.6 to 81.1), so today is 0.2 F above typical.
Water temperature is the nearest NOAA reading to Fort Sumter, 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 | 7:14 AM | 7:04 PM | 72% | ||||
| Fri Oct 2 | 7:15 AM | 7:03 PM | 62% | ||||
| Sat Oct 3 | 7:15 AM | 7:02 PM | 52% | ||||
| Sun Oct 4 | 7:16 AM | 7:00 PM | 41% | ||||
| Mon Oct 5 | 7:17 AM | 6:59 PM | 31% | ||||
| Tue Oct 6 | 7:17 AM | 6:58 PM | 22% | ||||
| Wed Oct 7 | 7:18 AM | 6:57 PM | 14% | ||||
| Thu Oct 8 | 7:19 AM | 6:55 PM | 7% | ||||
| Fri Oct 9 | 7:19 AM | 6:54 PM | 3% | ||||
| Sat Oct 10 | 7:20 AM | 6:53 PM | 0% | ||||
| Sun Oct 11 | 7:21 AM | 6:52 PM | 0% | ||||
| Mon Oct 12 | 7:22 AM | 6:50 PM | 2% | ||||
| Tue Oct 13 | 7:22 AM | 6:49 PM | 7% | ||||
| Wed Oct 14 | 7:23 AM | 6:48 PM | 13% | ||||
| Thu Oct 15 | 7:24 AM | 6:47 PM | 21% | ||||
| Fri Oct 16 | 5:51 AM1.3 ft | 12:36 PM5.5 ft | 6:56 PM1.6 ft | 7:25 AM | 6:45 PM | 30% | |
| Sat Oct 17 | 12:46 AM4.7 ft | 6:37 AM1.4 ft | 1:27 PM5.3 ft | 7:47 PM1.7 ft | 7:25 AM | 6:44 PM | 40% |
| Sun Oct 18today | 1:39 AM4.6 ft | 7:31 AM1.5 ft | 2:21 PM5.3 ft | 8:40 PM1.7 ft | 7:26 AM | 6:43 PM | 51% |
| Mon Oct 19 | 2:34 AM4.6 ft | 8:30 AM1.5 ft | 3:14 PM5.3 ft | 9:32 PM1.6 ft | 7:27 AM | 6:42 PM | 61% |
| Tue Oct 20 | 3:29 AM4.7 ft | 9:30 AM1.4 ft | 4:07 PM5.3 ft | 10:21 PM1.4 ft | 7:28 AM | 6:41 PM | 71% |
| Wed Oct 21 | 4:24 AM5.0 ft | 10:29 AM1.3 ft | 4:58 PM5.4 ft | 11:08 PM1.1 ft | 7:28 AM | 6:40 PM | 80% |
| Thu Oct 22 | 5:17 AM5.3 ft | 11:25 AM1.1 ft | 5:47 PM5.5 ft | 11:53 PM0.8 ft | 7:29 AM | 6:39 PM | 88% |
| Fri Oct 23 | 6:06 AM5.6 ft | 12:18 PM0.8 ft | 6:32 PM5.6 ft | 7:30 AM | 6:38 PM | 94% | |
| Sat Oct 24 | 12:37 AM0.5 ft | 6:52 AM6.0 ft | 1:10 PM0.6 ft | 7:15 PM5.7 ft | 7:31 AM | 6:37 PM | 98% |
| Sun Oct 25 | 1:21 AM0.2 ft | 7:36 AM6.3 ft | 2:00 PM0.4 ft | 7:58 PM5.7 ft | 7:32 AM | 6:35 PM | 100% |
| Mon Oct 26 | 2:06 AM0.0 ft | 8:20 AM6.6 ft | 2:50 PM0.3 ft | 8:43 PM5.6 ft | 7:32 AM | 6:34 PM | 99% |
| Tue Oct 27 | 2:52 AM-0.1 ft | 9:08 AM6.7 ft | 3:40 PM0.3 ft | 9:32 PM5.5 ft | 7:33 AM | 6:33 PM | 97% |
| Wed Oct 28 | 3:40 AM-0.1 ft | 9:59 AM6.6 ft | 4:32 PM0.4 ft | 10:25 PM5.3 ft | 7:34 AM | 6:32 PM | 92% |
| Thu Oct 29 | 4:30 AM-0.0 ft | 10:54 AM6.5 ft | 5:25 PM0.5 ft | 11:23 PM5.2 ft | 7:35 AM | 6:31 PM | 85% |
| Fri Oct 30 | 5:24 AM0.2 ft | 11:55 AM6.3 ft | 6:23 PM0.7 ft | 7:36 AM | 6:31 PM | 77% | |
| Sat Oct 31 | 12:27 AM5.0 ft | 6:23 AM0.4 ft | 1:00 PM6.1 ft | 7:25 PM0.8 ft | 7:37 AM | 6:30 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 1:35 AM5.0 ft | 6:29 AM0.6 ft | 1:06 PM6.0 ft | 7:29 PM0.9 ft | 6:37 AM | 5:29 PM | 57% |
| Mon Nov 2 | 1:43 AM5.1 ft | 7:38 AM0.6 ft | 2:10 PM5.8 ft | 8:30 PM0.8 ft | 6:38 AM | 5:28 PM | 46% |
| Tue Nov 3 | 2:47 AM5.3 ft | 8:44 AM0.6 ft | 3:10 PM5.7 ft | 9:26 PM0.6 ft | 6:39 AM | 5:27 PM | 36% |
| Wed Nov 4 | 3:48 AM5.5 ft | 9:47 AM0.6 ft | 4:06 PM5.6 ft | 10:18 PM0.5 ft | 6:40 AM | 5:26 PM | 26% |
| Thu Nov 5 | 4:45 AM5.8 ft | 10:45 AM0.5 ft | 4:57 PM5.6 ft | 11:06 PM0.4 ft | 6:41 AM | 5:25 PM | 17% |
| Fri Nov 6 | 5:35 AM6.0 ft | 11:39 AM0.4 ft | 5:43 PM5.5 ft | 11:51 PM0.3 ft | 6:42 AM | 5:24 PM | 10% |
| Sat Nov 7 | 6:20 AM6.2 ft | 12:28 PM0.4 ft | 6:25 PM5.4 ft | 6:43 AM | 5:24 PM | 5% | |
| Sun Nov 8 | 12:33 AM0.3 ft | 7:01 AM6.2 ft | 1:14 PM0.4 ft | 7:06 PM5.3 ft | 6:44 AM | 5:23 PM | 1% |
| Mon Nov 9 | 1:12 AM0.3 ft | 7:41 AM6.2 ft | 1:57 PM0.4 ft | 7:45 PM5.2 ft | 6:44 AM | 5:22 PM | 0% |
| Tue Nov 10 | 1:51 AM0.4 ft | 8:20 AM6.1 ft | 2:39 PM0.6 ft | 8:25 PM5.0 ft | 6:45 AM | 5:21 PM | 1% |
| Wed Nov 11 | 2:28 AM0.5 ft | 8:58 AM5.9 ft | 3:18 PM0.7 ft | 9:04 PM4.9 ft | 6:46 AM | 5:21 PM | 4% |
| Thu Nov 12 | 3:04 AM0.7 ft | 9:36 AM5.7 ft | 3:57 PM0.9 ft | 9:44 PM4.7 ft | 6:47 AM | 5:20 PM | 10% |
| Fri Nov 13 | 3:40 AM0.8 ft | 10:15 AM5.5 ft | 4:36 PM1.1 ft | 10:25 PM4.6 ft | 6:48 AM | 5:20 PM | 17% |
| Sat Nov 14 | 4:18 AM1.0 ft | 10:56 AM5.3 ft | 5:16 PM1.2 ft | 11:08 PM4.5 ft | 6:49 AM | 5:19 PM | 25% |
| Sun Nov 15 | 5:00 AM1.1 ft | 11:41 AM5.2 ft | 6:01 PM1.3 ft | 11:56 PM4.4 ft | 6:50 AM | 5:18 PM | 35% |
| Mon Nov 16 | 5:49 AM1.2 ft | 12:29 PM5.1 ft | 6:49 PM1.3 ft | 6:51 AM | 5:18 PM | 45% | |
| Tue Nov 17 | 12:49 AM4.5 ft | 6:47 AM1.3 ft | 1:19 PM5.0 ft | 7:39 PM1.2 ft | 6:52 AM | 5:17 PM | 56% |
| Wed Nov 18 | 1:42 AM4.6 ft | 7:48 AM1.2 ft | 2:10 PM5.0 ft | 8:28 PM1.0 ft | 6:53 AM | 5:17 PM | 66% |
| Thu Nov 19 | 2:37 AM4.9 ft | 8:50 AM1.1 ft | 3:03 PM5.0 ft | 9:18 PM0.7 ft | 6:53 AM | 5:16 PM | 76% |
| Fri Nov 20 | 3:33 AM5.2 ft | 9:51 AM0.9 ft | 3:57 PM5.0 ft | 10:08 PM0.4 ft | 6:54 AM | 5:16 PM | 84% |
| Sat Nov 21 | 4:28 AM5.6 ft | 10:50 AM0.7 ft | 4:51 PM5.1 ft | 10:59 PM0.1 ft | 6:55 AM | 5:16 PM | 91% |
| Sun Nov 22 | 5:20 AM6.0 ft | 11:47 AM0.4 ft | 5:43 PM5.1 ft | 11:49 PM-0.2 ft | 6:56 AM | 5:15 PM | 96% |
| Mon Nov 23 | 6:11 AM6.3 ft | 12:41 PM0.2 ft | 6:33 PM5.2 ft | 6:57 AM | 5:15 PM | 99% | |
| Tue Nov 24 | 12:40 AM-0.4 ft | 7:01 AM6.5 ft | 1:34 PM-0.0 ft | 7:25 PM5.2 ft | 6:58 AM | 5:14 PM | 100% |
| Wed Nov 25 | 1:31 AM-0.5 ft | 7:54 AM6.6 ft | 2:27 PM-0.1 ft | 8:20 PM5.2 ft | 6:59 AM | 5:14 PM | 98% |
| Thu Nov 26 | 2:24 AM-0.6 ft | 8:50 AM6.5 ft | 3:19 PM-0.1 ft | 9:17 PM5.1 ft | 7:00 AM | 5:14 PM | 95% |
| Fri Nov 27 | 3:18 AM-0.5 ft | 9:47 AM6.4 ft | 4:12 PM0.0 ft | 10:17 PM5.0 ft | 7:01 AM | 5:14 PM | 89% |
| Sat Nov 28 | 4:13 AM-0.3 ft | 10:47 AM6.1 ft | 5:07 PM0.1 ft | 11:20 PM5.0 ft | 7:02 AM | 5:14 PM | 81% |
| Sun Nov 29 | 5:12 AM-0.1 ft | 11:47 AM5.9 ft | 6:05 PM0.3 ft | 7:02 AM | 5:13 PM | 73% | |
| Mon Nov 30 | 12:24 AM5.0 ft | 6:16 AM0.2 ft | 12:47 PM5.6 ft | 7:04 PM0.3 ft | 7:03 AM | 5:13 PM | 63% |
How these predictions are made
Fort Sumter is a subordinate station: NOAA derives its tides from the reference station CHARLESTON (Customhouse Wharf) by applying fixed offsets.
High tide time
+0h 02m
relative to CHARLESTON (Customhouse Wharf)
Low tide time
-0h 01m
relative to reference
High tide height
x0.97
ratio
Low tide height
x0.95
ratio
Nearby tide stations
- Fort Johnson1.3 mi · next high 2:14 PM
- The Cove, Fort Moultrie1.4 mi · next high 2:18 PM
- Ben Sawyer Bridge, ICWW2.5 mi · next high 2:25 PM
- Shem Creek2.8 mi · next high 2:17 PM
- CHARLESTON (Customhouse Wharf)3.3 mi · next high 2:19 PM
- Breach Inlet, Isle of Palms4.1 mi · next high 2:14 PM
Questions
What time is high tide at Fort Sumter today?
High tide at Fort Sumter, South Carolina on Sunday, October 18, 2026 is at 1:39 AM (4.6 ft above MLLW) and 2:21 PM (5.3 ft above MLLW), NOAA prediction, local time.
What time is low tide at Fort Sumter today?
Low tide at Fort Sumter on Sunday, October 18, 2026 is at 7:31 AM (1.5 ft) and 8:40 PM (1.7 ft).
What is the water temperature at Fort Sumter?
The nearest NOAA water-temperature reading to Fort Sumter is 72.9 F at Charleston (3.3 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 8665728.