Georgia tide station

St. Marys tide times

Today, Sunday, October 18, 2026: high tide at 2:55 AM (5.5 ft) and 3:27 PM (6.1 ft); low tide at 8:44 AM (1.7 ft) and 10:00 PM (1.8 ft). Water temperature 78.4 F at buoy 41112 (15 mi away).

NOAA station 8679964 · Reference station · MLLW datum · times in EDT · sunrise 7:31 AM, sunset 6:52 PM · first quarter (51% lit)

High tide▲

2:55AM

5.5FT MLLW

high

Low tide▼

8:44AM

1.7FT MLLW

low

High tide▲

3:27PM

6.1FT MLLW

high

Low tide▼

10:00PM

1.8FT MLLW

low

predicted height above MLLWnightnow (build time; your browser updates it)

As of 5:20 AM the tide is falling toward low tide at 8:44 AM (1.7 ft).

First Quarter 51% litSunrise 7:31 AMSunset 6:52 PMDaylight 11h 20mEDT

High tide at St. Marys, Georgia on October 18, 2026 is at 2:55 AM (5.5 ft above MLLW) and 3:27 PM (6.1 ft above MLLW).
Low tide at St. Marys on October 18, 2026 is at 8:44 AM (1.7 ft) and 10:00 PM (1.8 ft).
Today's tidal range at St. Marys is 4.4 ft (highest high 6.1 ft, lowest low 1.7 ft).
The nearest NOAA water temperature to St. Marys is 78.4 F at buoy 41112 (15 mi away), as of October 18, 2026.
Sunrise 7:31 AM, sunset 6:52 PM (EDT); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 8679964 (harmonic reference station), heights above MLLW.

Next 7 days at St. Marys

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	2:55 AM5.5 ft	8:44 AM1.7 ft	3:27 PM6.1 ft	10:00 PM1.8 ft	7:31 AM	6:52 PM	51%
Mon Oct 19	3:51 AM5.6 ft	9:48 AM1.7 ft	4:24 PM6.1 ft	10:51 PM1.6 ft	7:32 AM	6:51 PM	61%
Tue Oct 20	4:48 AM5.8 ft	10:48 AM1.5 ft	5:20 PM6.2 ft	11:38 PM1.3 ft	7:32 AM	6:50 PM	71%
Wed Oct 21	5:44 AM6.0 ft	11:43 AM1.2 ft	6:12 PM6.4 ft		7:33 AM	6:49 PM	80%
Thu Oct 22	12:23 AM1.0 ft	6:36 AM6.4 ft	12:36 PM1.0 ft	6:59 PM6.5 ft	7:34 AM	6:48 PM	88%
Fri Oct 23	1:07 AM0.7 ft	7:23 AM6.7 ft	1:29 PM0.8 ft	7:43 PM6.6 ft	7:34 AM	6:47 PM	94%
Sat Oct 24	1:51 AM0.5 ft	8:07 AM7.0 ft	2:20 PM0.6 ft	8:24 PM6.6 ft	7:35 AM	6:46 PM	98%

Water temperature near St. Marys

78.4 F (25.8 C)

NDBC buoy 41112 (Offshore Fernandina Beach, FL), 15 mi away, observed 08:56 UTC October 18, 2026

Water temperature is the nearest NOAA reading to St. Marys, 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

High (▲) and low (▼) tides in EDT with sunrise, sunset and moon illumination. CSV of today's tides for every Georgia station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					7:20 AM	7:12 PM	72%
Fri Oct 2					7:21 AM	7:10 PM	62%
Sat Oct 3					7:21 AM	7:09 PM	52%
Sun Oct 4					7:22 AM	7:08 PM	41%
Mon Oct 5					7:22 AM	7:07 PM	31%
Tue Oct 6					7:23 AM	7:06 PM	22%
Wed Oct 7					7:24 AM	7:04 PM	14%
Thu Oct 8					7:24 AM	7:03 PM	7%
Fri Oct 9					7:25 AM	7:02 PM	3%
Sat Oct 10					7:26 AM	7:01 PM	0%
Sun Oct 11					7:26 AM	7:00 PM	0%
Mon Oct 12					7:27 AM	6:58 PM	2%
Tue Oct 13					7:27 AM	6:57 PM	7%
Wed Oct 14					7:28 AM	6:56 PM	13%
Thu Oct 15					7:29 AM	6:55 PM	21%
Fri Oct 16	1:11 AM5.6 ft	6:53 AM1.4 ft	1:45 PM6.2 ft	8:09 PM1.8 ft	7:29 AM	6:54 PM	30%
Sat Oct 17	2:01 AM5.5 ft	7:44 AM1.6 ft	2:34 PM6.1 ft	9:05 PM1.9 ft	7:30 AM	6:53 PM	40%
Sun Oct 18today	2:55 AM5.5 ft	8:44 AM1.7 ft	3:27 PM6.1 ft	10:00 PM1.8 ft	7:31 AM	6:52 PM	51%
Mon Oct 19	3:51 AM5.6 ft	9:48 AM1.7 ft	4:24 PM6.1 ft	10:51 PM1.6 ft	7:32 AM	6:51 PM	61%
Tue Oct 20	4:48 AM5.8 ft	10:48 AM1.5 ft	5:20 PM6.2 ft	11:38 PM1.3 ft	7:32 AM	6:50 PM	71%
Wed Oct 21	5:44 AM6.0 ft	11:43 AM1.2 ft	6:12 PM6.4 ft		7:33 AM	6:49 PM	80%
Thu Oct 22	12:23 AM1.0 ft	6:36 AM6.4 ft	12:36 PM1.0 ft	6:59 PM6.5 ft	7:34 AM	6:48 PM	88%
Fri Oct 23	1:07 AM0.7 ft	7:23 AM6.7 ft	1:29 PM0.8 ft	7:43 PM6.6 ft	7:34 AM	6:47 PM	94%
Sat Oct 24	1:51 AM0.5 ft	8:07 AM7.0 ft	2:20 PM0.6 ft	8:24 PM6.6 ft	7:35 AM	6:46 PM	98%
Sun Oct 25	2:36 AM0.2 ft	8:51 AM7.3 ft	3:11 PM0.5 ft	9:07 PM6.5 ft	7:36 AM	6:45 PM	100%
Mon Oct 26	3:21 AM0.1 ft	9:37 AM7.4 ft	4:02 PM0.4 ft	9:52 PM6.3 ft	7:37 AM	6:44 PM	99%
Tue Oct 27	4:06 AM-0.0 ft	10:27 AM7.5 ft	4:52 PM0.5 ft	10:43 PM6.1 ft	7:37 AM	6:43 PM	97%
Wed Oct 28	4:54 AM0.0 ft	11:23 AM7.4 ft	5:45 PM0.7 ft	11:42 PM6.0 ft	7:38 AM	6:42 PM	92%
Thu Oct 29	5:44 AM0.1 ft	12:24 PM7.3 ft	6:41 PM0.8 ft		7:39 AM	6:41 PM	85%
Fri Oct 30	12:45 AM5.8 ft	6:40 AM0.4 ft	1:26 PM7.2 ft	7:41 PM1.0 ft	7:40 AM	6:40 PM	77%
Sat Oct 31	1:49 AM5.8 ft	7:42 AM0.6 ft	2:27 PM7.0 ft	8:45 PM1.0 ft	7:40 AM	6:39 PM	68%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	1:53 AM5.9 ft	7:51 AM0.8 ft	2:27 PM6.9 ft	8:47 PM0.9 ft	6:41 AM	5:38 PM	57%
Mon Nov 2	2:58 AM6.0 ft	8:59 AM0.8 ft	3:28 PM6.7 ft	9:45 PM0.7 ft	6:42 AM	5:37 PM	46%
Tue Nov 3	4:02 AM6.3 ft	10:03 AM0.7 ft	4:26 PM6.7 ft	10:37 PM0.6 ft	6:43 AM	5:37 PM	36%
Wed Nov 4	5:01 AM6.6 ft	11:02 AM0.6 ft	5:19 PM6.6 ft	11:26 PM0.4 ft	6:44 AM	5:36 PM	26%
Thu Nov 5	5:54 AM6.9 ft	11:56 AM0.5 ft	6:06 PM6.5 ft		6:44 AM	5:35 PM	17%
Fri Nov 6	12:12 AM0.3 ft	6:42 AM7.2 ft	12:48 PM0.5 ft	6:49 PM6.4 ft	6:45 AM	5:34 PM	10%
Sat Nov 7	12:56 AM0.2 ft	7:25 AM7.3 ft	1:36 PM0.5 ft	7:28 PM6.3 ft	6:46 AM	5:34 PM	5%
Sun Nov 8	1:37 AM0.3 ft	8:06 AM7.2 ft	2:22 PM0.6 ft	8:07 PM6.2 ft	6:47 AM	5:33 PM	1%
Mon Nov 9	2:17 AM0.3 ft	8:45 AM7.1 ft	3:04 PM0.7 ft	8:45 PM6.0 ft	6:48 AM	5:32 PM	0%
Tue Nov 10	2:54 AM0.5 ft	9:25 AM6.9 ft	3:45 PM0.9 ft	9:26 PM5.9 ft	6:49 AM	5:32 PM	1%
Wed Nov 11	3:30 AM0.6 ft	10:04 AM6.7 ft	4:24 PM1.0 ft	10:09 PM5.7 ft	6:49 AM	5:31 PM	4%
Thu Nov 12	4:06 AM0.8 ft	10:45 AM6.5 ft	5:04 PM1.2 ft	10:54 PM5.6 ft	6:50 AM	5:30 PM	10%
Fri Nov 13	4:42 AM1.0 ft	11:26 AM6.4 ft	5:45 PM1.4 ft	11:42 PM5.5 ft	6:51 AM	5:30 PM	17%
Sat Nov 14	5:21 AM1.1 ft	12:09 PM6.2 ft	6:30 PM1.5 ft		6:52 AM	5:29 PM	25%
Sun Nov 15	12:29 AM5.4 ft	6:06 AM1.3 ft	12:53 PM6.1 ft	7:18 PM1.5 ft	6:53 AM	5:29 PM	35%
Mon Nov 16	1:18 AM5.4 ft	7:01 AM1.4 ft	1:39 PM6.0 ft	8:09 PM1.5 ft	6:54 AM	5:28 PM	45%
Tue Nov 17	2:08 AM5.5 ft	8:03 AM1.4 ft	2:29 PM6.0 ft	9:00 PM1.3 ft	6:54 AM	5:28 PM	56%
Wed Nov 18	3:02 AM5.7 ft	9:06 AM1.4 ft	3:22 PM5.9 ft	9:50 PM1.1 ft	6:55 AM	5:27 PM	66%
Thu Nov 19	3:58 AM5.9 ft	10:06 AM1.2 ft	4:18 PM6.0 ft	10:38 PM0.8 ft	6:56 AM	5:27 PM	76%
Fri Nov 20	4:55 AM6.2 ft	11:05 AM1.0 ft	5:13 PM6.0 ft	11:26 PM0.5 ft	6:57 AM	5:27 PM	84%
Sat Nov 21	5:50 AM6.6 ft	12:02 PM0.8 ft	6:05 PM6.0 ft		6:58 AM	5:26 PM	91%
Sun Nov 22	12:16 AM0.2 ft	6:42 AM7.0 ft	12:59 PM0.6 ft	6:55 PM6.1 ft	6:59 AM	5:26 PM	96%
Mon Nov 23	1:06 AM-0.1 ft	7:33 AM7.2 ft	1:55 PM0.4 ft	7:46 PM6.0 ft	7:00 AM	5:26 PM	99%
Tue Nov 24	1:58 AM-0.3 ft	8:25 AM7.4 ft	2:49 PM0.3 ft	8:39 PM6.0 ft	7:00 AM	5:25 PM	100%
Wed Nov 25	2:49 AM-0.4 ft	9:20 AM7.5 ft	3:42 PM0.2 ft	9:36 PM5.9 ft	7:01 AM	5:25 PM	98%
Thu Nov 26	3:41 AM-0.4 ft	10:19 AM7.4 ft	4:35 PM0.2 ft	10:38 PM5.8 ft	7:02 AM	5:25 PM	95%
Fri Nov 27	4:34 AM-0.3 ft	11:18 AM7.3 ft	5:28 PM0.3 ft	11:40 PM5.8 ft	7:03 AM	5:25 PM	89%
Sat Nov 28	5:30 AM-0.1 ft	12:14 PM7.1 ft	6:24 PM0.4 ft		7:04 AM	5:25 PM	81%
Sun Nov 29	12:40 AM5.9 ft	6:30 AM0.2 ft	1:09 PM6.9 ft	7:21 PM0.5 ft	7:05 AM	5:25 PM	73%
Mon Nov 30	1:38 AM6.0 ft	7:34 AM0.5 ft	2:01 PM6.6 ft	8:18 PM0.5 ft	7:05 AM	5:24 PM	63%

Tidal datums at St. Marys

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8679964, in feet above MLLW:

MHHW

7.96 ft

Mean higher high water

MHW

7.63 ft

Mean high water

MSL

4.87 ft

Mean sea level

MLW

1.77 ft

Mean low water

5.86 ft

Mean range

6.39 ft

Diurnal range

Highest observed water level: 9.43 ft above MLLW on February 9, 1978. Tidal datum epoch 1983-2001.

Nearby tide stations

Roses Bluff, Bells River2.0 mi · next high 3:35 PM
Chester, Bells River2.7 mi · next high 3:16 PM
Beach Creek ent., Cumberland Island4.3 mi · next high 3:00 PM
Crandall4.4 mi · next high 3:47 PM
Cut 1N Front Range, St Marys River Entr5.0 mi · next high 2:51 PM
Kings Bay, MSF Pier5.2 mi · next high 3:14 PM

Questions

What time is high tide at St. Marys today?

High tide at St. Marys, Georgia on Sunday, October 18, 2026 is at 2:55 AM (5.5 ft above MLLW) and 3:27 PM (6.1 ft above MLLW), NOAA prediction, local time.

What time is low tide at St. Marys today?

Low tide at St. Marys on Sunday, October 18, 2026 is at 8:44 AM (1.7 ft) and 10:00 PM (1.8 ft).

What is the water temperature at St. Marys?

The nearest NOAA water-temperature reading to St. Marys is 78.4 F at buoy 41112 (15 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 8679964.