Texas tide station

Copano Bay tide times

Today, Sunday, October 18, 2026: high tide at 9:24 AM (0.4 ft); low tide at 9:18 PM (0.0 ft). Water temperature 71.2 F at Copano Bay.

NOAA station 8774513 · Reference station · MLLW datum · times in CDT · sunrise 7:31 AM, sunset 6:56 PM · first quarter (51% lit)

High tide▲

9:24AM

0.4FT MLLW

high

Low tide▼

9:18PM

0.0FT MLLW

low

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

As of 4:20 AM the tide is rising toward high tide at 9:24 AM (0.4 ft).

First Quarter 51% litSunrise 7:31 AMSunset 6:56 PMDaylight 11h 25mCDT

High tide at Copano Bay, Texas on October 18, 2026 is at 9:24 AM (0.4 ft above MLLW).
Low tide at Copano Bay on October 18, 2026 is at 9:18 PM (0.0 ft).
Today's tidal range at Copano Bay is 0.4 ft (highest high 0.4 ft, lowest low 0.0 ft).
The nearest NOAA water temperature to Copano Bay is 71.2 F at Copano Bay, as of October 18, 2026.
Sunrise 7:31 AM, sunset 6:56 PM (CDT); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 8774513 (harmonic reference station), heights above MLLW.

Next 7 days at Copano Bay

Date	Tide 1	Tide 2	Sunrise	Sunset	Moon
Sun Oct 18today	9:24 AM0.4 ft	9:18 PM0.0 ft	7:31 AM	6:56 PM	51%
Mon Oct 19	9:54 AM0.4 ft	9:42 PM0.0 ft	7:31 AM	6:55 PM	62%
Tue Oct 20	9:06 AM0.3 ft	10:00 PM0.0 ft	7:32 AM	6:54 PM	72%
Wed Oct 21	8:12 AM0.3 ft	10:12 PM0.1 ft	7:32 AM	6:53 PM	81%
Thu Oct 22	7:12 AM0.3 ft	10:24 PM0.1 ft	7:33 AM	6:52 PM	88%
Fri Oct 23	5:24 AM0.3 ft	1:12 PM0.1 ft	7:34 AM	6:51 PM	94%
Sat Oct 24	4:36 AM0.3 ft	1:18 PM0.1 ft	7:34 AM	6:50 PM	98%

Water temperature near Copano Bay

71.2 F (21.8 C)

NOAA CO-OPS station 8774513 (this station's own sensor), read 4:00 AM local, October 18, 2026

Over the past 30 days this sensor ranged from 69.6 to 88.9 F. Typical for October here is 81.1 F (5-year hourly mean; range 65.1 to 86.7), so today is 9.9 F below typical.

Water temperature is the nearest NOAA reading to Copano Bay, not a measurement at the tide gauge itself. See water temperature by state for every sensor and buoy.

Tide tables

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

October 2026 tide table

Date	Tide 1	Tide 2	Sunrise	Sunset	Moon
Thu Oct 1			7:21 AM	7:14 PM	72%
Fri Oct 2			7:22 AM	7:13 PM	62%
Sat Oct 3			7:22 AM	7:12 PM	51%
Sun Oct 4			7:23 AM	7:11 PM	41%
Mon Oct 5			7:23 AM	7:10 PM	31%
Tue Oct 6			7:24 AM	7:09 PM	21%
Wed Oct 7			7:24 AM	7:07 PM	13%
Thu Oct 8			7:25 AM	7:06 PM	7%
Fri Oct 9			7:25 AM	7:05 PM	3%
Sat Oct 10			7:26 AM	7:04 PM	0%
Sun Oct 11			7:26 AM	7:03 PM	0%
Mon Oct 12			7:27 AM	7:02 PM	2%
Tue Oct 13			7:28 AM	7:01 PM	7%
Wed Oct 14			7:28 AM	7:00 PM	13%
Thu Oct 15			7:29 AM	6:59 PM	21%
Fri Oct 16	7:24 AM0.4 ft	7:12 PM0.0 ft	7:29 AM	6:58 PM	30%
Sat Oct 17	8:24 AM0.4 ft	8:36 PM0.0 ft	7:30 AM	6:57 PM	40%
Sun Oct 18today	9:24 AM0.4 ft	9:18 PM0.0 ft	7:31 AM	6:56 PM	51%
Mon Oct 19	9:54 AM0.4 ft	9:42 PM0.0 ft	7:31 AM	6:55 PM	62%
Tue Oct 20	9:06 AM0.3 ft	10:00 PM0.0 ft	7:32 AM	6:54 PM	72%
Wed Oct 21	8:12 AM0.3 ft	10:12 PM0.1 ft	7:32 AM	6:53 PM	81%
Thu Oct 22	7:12 AM0.3 ft	10:24 PM0.1 ft	7:33 AM	6:52 PM	88%
Fri Oct 23	5:24 AM0.3 ft	1:12 PM0.1 ft	7:34 AM	6:51 PM	94%
Sat Oct 24	4:36 AM0.3 ft	1:18 PM0.1 ft	7:34 AM	6:50 PM	98%
Sun Oct 25	4:12 AM0.3 ft	1:36 PM-0.0 ft	7:35 AM	6:49 PM	100%
Mon Oct 26	4:00 AM0.4 ft	2:06 PM-0.1 ft	7:36 AM	6:48 PM	99%
Tue Oct 27	2:42 PM-0.1 ft		7:36 AM	6:48 PM	97%
Wed Oct 28	5:00 AM0.4 ft	3:36 PM-0.1 ft	7:37 AM	6:47 PM	92%
Thu Oct 29	6:06 AM0.5 ft	4:42 PM-0.1 ft	7:38 AM	6:46 PM	85%
Fri Oct 30	7:12 AM0.5 ft	6:00 PM-0.1 ft	7:38 AM	6:45 PM	77%
Sat Oct 31	8:18 AM0.5 ft	7:30 PM-0.1 ft	7:39 AM	6:44 PM	67%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	8:24 AM0.4 ft	7:42 PM-0.0 ft			6:40 AM	5:44 PM	57%
Mon Nov 2	9:36 AM0.4 ft	8:24 PM-0.0 ft			6:40 AM	5:43 PM	46%
Tue Nov 3	10:54 AM0.3 ft	8:54 PM0.1 ft			6:41 AM	5:42 PM	36%
Wed Nov 4	6:12 AM0.2 ft	9:36 AM0.2 ft	12:54 PM0.2 ft	9:12 PM0.2 ft	6:42 AM	5:41 PM	26%
Thu Nov 5	3:18 AM0.2 ft	10:42 AM0.1 ft			6:43 AM	5:41 PM	17%
Fri Nov 6	2:12 AM0.3 ft	11:30 AM0.0 ft			6:43 AM	5:40 PM	10%
Sat Nov 7	1:48 AM0.4 ft	12:06 PM-0.0 ft			6:44 AM	5:39 PM	4%
Sun Nov 8	1:30 AM0.4 ft	12:42 PM-0.1 ft			6:45 AM	5:39 PM	1%
Mon Nov 9	1:00 AM0.4 ft	1:18 PM-0.1 ft			6:46 AM	5:38 PM	0%
Tue Nov 10	1:06 AM0.4 ft	2:06 PM-0.1 ft			6:46 AM	5:38 PM	1%
Wed Nov 11	3:12 AM0.4 ft	2:54 PM-0.1 ft			6:47 AM	5:37 PM	4%
Thu Nov 12	4:36 AM0.4 ft	3:48 PM-0.0 ft			6:48 AM	5:37 PM	10%
Fri Nov 13	5:36 AM0.4 ft	4:48 PM-0.0 ft			6:49 AM	5:36 PM	17%
Sat Nov 14	6:18 AM0.4 ft	5:42 PM-0.0 ft			6:49 AM	5:36 PM	26%
Sun Nov 15	6:42 AM0.4 ft	6:18 PM-0.0 ft			6:50 AM	5:35 PM	35%
Mon Nov 16	6:42 AM0.4 ft	6:42 PM0.0 ft			6:51 AM	5:35 PM	46%
Tue Nov 17	6:00 AM0.3 ft	6:54 PM0.0 ft			6:52 AM	5:34 PM	56%
Wed Nov 18	5:00 AM0.3 ft	6:54 PM0.1 ft			6:52 AM	5:34 PM	67%
Thu Nov 19	3:12 AM0.3 ft	4:24 PM0.2 ft			6:53 AM	5:34 PM	76%
Fri Nov 20	2:00 AM0.3 ft	10:54 AM0.1 ft			6:54 AM	5:33 PM	85%
Sat Nov 21	1:36 AM0.3 ft	11:06 AM0.0 ft			6:55 AM	5:33 PM	92%
Sun Nov 22	1:12 AM0.4 ft	11:24 AM-0.0 ft			6:56 AM	5:33 PM	96%
Mon Nov 23	1:00 AM0.4 ft	12:00 PM-0.1 ft			6:56 AM	5:33 PM	99%
Tue Nov 24	1:30 AM0.4 ft	12:48 PM-0.1 ft			6:57 AM	5:32 PM	100%
Wed Nov 25	2:54 AM0.5 ft	1:54 PM-0.1 ft			6:58 AM	5:32 PM	98%
Thu Nov 26	4:18 AM0.5 ft	3:00 PM-0.1 ft			6:59 AM	5:32 PM	94%
Fri Nov 27	5:18 AM0.5 ft	4:12 PM-0.1 ft			7:00 AM	5:32 PM	89%
Sat Nov 28	6:12 AM0.5 ft	5:12 PM-0.1 ft			7:00 AM	5:32 PM	81%
Sun Nov 29	7:00 AM0.5 ft	6:00 PM-0.0 ft			7:01 AM	5:32 PM	72%
Mon Nov 30	7:36 AM0.4 ft	6:36 PM0.0 ft			7:02 AM	5:32 PM	62%

Tidal datums at Copano Bay

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8774513, in feet above MLLW:

MHHW

5.60 ft

Mean higher high water

MHW

5.60 ft

Mean high water

MSL

5.42 ft

Mean sea level

MLW

5.21 ft

Mean low water

0.38 ft

Mean range

0.39 ft

Diurnal range

Highest observed water level: 9.61 ft above MLLW on August 26, 2017. Tidal datum epoch 2002-2006.

Nearby tide stations

Rockport6.8 mi · next high 7:59 AM
Bayside, Copano Bay11 mi · next high 9:18 AM
Aransas Wildlife Refuge16 mi · next high 11:55 AM
Conn Brown Harbor, Aransas Pass16 mi · next high 5:06 AM
Aransas, Aransas Pass19 mi
Port Aransas19 mi

Questions

What time is high tide at Copano Bay today?

High tide at Copano Bay, Texas on Sunday, October 18, 2026 is at 9:24 AM (0.4 ft above MLLW), NOAA prediction, local time.

What time is low tide at Copano Bay today?

Low tide at Copano Bay on Sunday, October 18, 2026 is at 9:18 PM (0.0 ft).

What is the water temperature at Copano Bay?

The nearest NOAA water-temperature reading to Copano Bay is 71.2 F at Copano Bay, 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 8774513.