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Charleston Harbor Tide Chart

South Carolina · NOAA station 8665726 (Fort Johnson), 0.8 mipredicted

Low tide 3:16 AM, high tide 9:29 AM; tidal range 6 ft — big tides today.

Fishing window1:27 PM – 3:27 PM

Solunar major window: 1:27 PM – 3:27 PM — an angler rule-of-thumb reference window, not a scientific prediction.

Tidepool window2:10 PM – 5:10 PM

Tidepooling window: 2:10 PM – 5:10 PM — 90 minutes around low tide.

Today's Tides

Tomorrow: low 3:56 AM · high 10:14 AM · low 4:26 PM · high 10:20 PM

7-Day Tide Curve

12:30 AM2:12 AM8:42 AM2:52 PM8:57 PM3:15 AM9:28 AM3:40 PM9:39 PM3:56 AM10:14 AM4:26 PM10:20 PM4:35 AM10:58 AM5:10 PM10:59 PM5:13 AM11:41 AM5:57 PM11:44 PM5:50 AM12:26 PM6:44 PM12:27 AM6:33 AM1:14 PMFri 11Sat 12Sun 13Mon 14Tue 15Wed 16Thu 176.9-0.7
7-day tide table (accessible data)
DayTypeTimeHeight (ft)
Fri 11High12:30 AM0.09
Low2:12 AM0.09
High8:42 AM6.05
Low2:52 PM-0.01
High8:57 PM6.14
Sat 12Low3:15 AM0.09
High9:28 AM6.12
Low3:40 PM0.16
High9:39 PM5.90
Sun 13Low3:56 AM0.20
High10:14 AM6.09
Low4:26 PM0.42
High10:20 PM5.62
Mon 14Low4:35 AM0.41
High10:58 AM5.97
Low5:10 PM0.74
High10:59 PM5.33
Tue 15Low5:13 AM0.67
High11:41 AM5.80
Low5:57 PM1.07
High11:44 PM5.05
Wed 16Low5:50 AM0.95
High12:26 PM5.61
Low6:44 PM1.38
Thu 17High12:27 AM4.82
Low6:33 AM1.20
High1:14 PM5.44
1%
New Moon
06:37
First light
07:02
Sunrise
19:32
Sunset
19:56
Last light

FAQ

What time is high tide in Charleston Harbor today?

Today in Charleston Harbor, high tide times are 9:29 AM (6.12 ft) and 9:39 PM (5.90 ft), local time (America/New_York), based on NOAA station 8665726.

What time is low tide in Charleston Harbor today?

Today's low tides in Charleston Harbor: 3:16 AM (0.09 ft) and 3:40 PM (0.16 ft), local time, datum MLLW.

Is today good for fishing in Charleston Harbor?

Solunar major window: 1:27 PM – 3:27 PM — an angler rule-of-thumb reference window, not a scientific prediction. Today's solunar rating for Charleston Harbor is 4 out of 5, based on moon phase and tidal range.

Where is the tide measured for Charleston Harbor?

Tides for Charleston Harbor are predicted at NOAA CO-OPS station 8665726 (Fort Johnson), 0.8 miles away — a subordinate station. Times are America/New_York, heights in feet relative to MLLW datum.

Tide predictions for Charleston Harbor come from NOAA CO-OPS station 8665726 (Fort Johnson),0.8 mi away — a subordinate station — predictions are derived by time/height offsets from a nearby harmonic reference station. Heights are in feet relative to the MLLW datum; all times are local to the station (America/New_York). Source:NOAA Tides & Currents.

Data date: 2026-09-12 · page generated 2026-09-12 08:41 UTC · astronomical predictions, not observed water levels.