Florida tide station

Boot Key Harbor bridge, Boot Key tide times

Today, Sunday, October 18, 2026: high tide at 1:58 AM (2.2 ft) and 4:46 PM (1.5 ft); low tide at 10:04 AM (0.5 ft) and 8:44 PM (1.0 ft). Water temperature 85.5 F at Vaca Key, Florida Bay (0.5 mi away).

NOAA station 8723971 · Subordinate station · MLLW datum · times in EDT · sunrise 7:24 AM, sunset 6:55 PM · first quarter (51% lit)

High tide▲

1:58AM

2.2FT MLLW

high

Low tide▼

10:04AM

0.5FT MLLW

low

High tide▲

4:46PM

1.5FT MLLW

high

Low tide▼

8:44PM

1.0FT MLLW

low

Water temp°F

85.5

29.7C

Vaca Key, Florida Bay, 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 10:04 AM (0.5 ft).

First Quarter 51% litSunrise 7:24 AMSunset 6:55 PMDaylight 11h 31mEDT

High tide at Boot Key Harbor bridge, Boot Key, Florida on October 18, 2026 is at 1:58 AM (2.2 ft above MLLW) and 4:46 PM (1.5 ft above MLLW).
Low tide at Boot Key Harbor bridge, Boot Key on October 18, 2026 is at 10:04 AM (0.5 ft) and 8:44 PM (1.0 ft).
Today's tidal range at Boot Key Harbor bridge, Boot Key is 1.7 ft (highest high 2.2 ft, lowest low 0.5 ft).
The nearest NOAA water temperature to Boot Key Harbor bridge, Boot Key is 85.5 F at Vaca Key, Florida Bay (0.5 mi away), as of October 18, 2026.
Sunrise 7:24 AM, sunset 6:55 PM (EDT); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 8723971 (subordinate station), heights above MLLW.

Next 7 days at Boot Key Harbor bridge, Boot Key

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	1:58 AM2.2 ft	10:04 AM0.5 ft	4:46 PM1.5 ft	8:44 PM1.0 ft	7:24 AM	6:55 PM	51%
Mon Oct 19	3:13 AM2.2 ft	11:06 AM0.6 ft	5:42 PM1.7 ft	10:30 PM0.9 ft	7:24 AM	6:54 PM	61%
Tue Oct 20	4:33 AM2.2 ft	11:56 AM0.6 ft	6:14 PM1.8 ft	11:42 PM0.9 ft	7:25 AM	6:53 PM	71%
Wed Oct 21	5:44 AM2.2 ft	12:36 PM0.6 ft	6:42 PM2.0 ft		7:25 AM	6:52 PM	80%
Thu Oct 22	12:38 AM0.7 ft	6:43 AM2.3 ft	1:10 PM0.6 ft	7:10 PM2.2 ft	7:26 AM	6:52 PM	88%
Fri Oct 23	1:26 AM0.6 ft	7:36 AM2.3 ft	1:41 PM0.6 ft	7:39 PM2.4 ft	7:27 AM	6:51 PM	94%
Sat Oct 24	2:10 AM0.4 ft	8:25 AM2.3 ft	2:12 PM0.6 ft	8:10 PM2.5 ft	7:27 AM	6:50 PM	98%

Water temperature near Boot Key Harbor bridge, Boot Key

85.5 F (29.7 C)

NOAA CO-OPS station 8723970 (Vaca Key, Florida Bay sensor, 0.5 mi away), read 5:00 AM local, October 18, 2026

Over the past 30 days this sensor ranged from 81.3 to 88.9 F. Typical for October here is 82.6 F (5-year hourly mean; range 73.4 to 90.1), so today is 2.9 F above typical.

Water temperature is the nearest NOAA reading to Boot Key Harbor bridge, Boot Key, 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 Florida station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					7:17 AM	7:12 PM	72%
Fri Oct 2					7:17 AM	7:10 PM	62%
Sat Oct 3					7:17 AM	7:09 PM	52%
Sun Oct 4					7:18 AM	7:08 PM	41%
Mon Oct 5					7:18 AM	7:07 PM	31%
Tue Oct 6					7:19 AM	7:06 PM	22%
Wed Oct 7					7:19 AM	7:05 PM	14%
Thu Oct 8					7:19 AM	7:04 PM	7%
Fri Oct 9					7:20 AM	7:03 PM	3%
Sat Oct 10					7:20 AM	7:02 PM	0%
Sun Oct 11					7:21 AM	7:01 PM	0%
Mon Oct 12					7:21 AM	7:01 PM	2%
Tue Oct 13					7:22 AM	7:00 PM	7%
Wed Oct 14					7:22 AM	6:59 PM	13%
Thu Oct 15					7:23 AM	6:58 PM	21%
Fri Oct 16	12:12 AM2.4 ft	7:49 AM0.4 ft	1:55 PM1.5 ft	6:12 PM0.9 ft	7:23 AM	6:57 PM	30%
Sat Oct 17	1:00 AM2.3 ft	8:55 AM0.5 ft	3:11 PM1.5 ft	6:53 PM0.9 ft	7:23 AM	6:56 PM	40%
Sun Oct 18today	1:58 AM2.2 ft	10:04 AM0.5 ft	4:46 PM1.5 ft	8:44 PM1.0 ft	7:24 AM	6:55 PM	51%
Mon Oct 19	3:13 AM2.2 ft	11:06 AM0.6 ft	5:42 PM1.7 ft	10:30 PM0.9 ft	7:24 AM	6:54 PM	61%
Tue Oct 20	4:33 AM2.2 ft	11:56 AM0.6 ft	6:14 PM1.8 ft	11:42 PM0.9 ft	7:25 AM	6:53 PM	71%
Wed Oct 21	5:44 AM2.2 ft	12:36 PM0.6 ft	6:42 PM2.0 ft		7:25 AM	6:52 PM	80%
Thu Oct 22	12:38 AM0.7 ft	6:43 AM2.3 ft	1:10 PM0.6 ft	7:10 PM2.2 ft	7:26 AM	6:52 PM	88%
Fri Oct 23	1:26 AM0.6 ft	7:36 AM2.3 ft	1:41 PM0.6 ft	7:39 PM2.4 ft	7:27 AM	6:51 PM	94%
Sat Oct 24	2:10 AM0.4 ft	8:25 AM2.3 ft	2:12 PM0.6 ft	8:10 PM2.5 ft	7:27 AM	6:50 PM	98%
Sun Oct 25	2:53 AM0.2 ft	9:14 AM2.2 ft	2:43 PM0.6 ft	8:43 PM2.7 ft	7:28 AM	6:49 PM	100%
Mon Oct 26	3:37 AM0.1 ft	10:02 AM2.1 ft	3:15 PM0.6 ft	9:20 PM2.8 ft	7:28 AM	6:48 PM	99%
Tue Oct 27	4:23 AM-0.0 ft	10:51 AM1.9 ft	3:50 PM0.6 ft	10:01 PM2.9 ft	7:29 AM	6:48 PM	97%
Wed Oct 28	5:12 AM-0.0 ft	11:42 AM1.8 ft	4:26 PM0.6 ft	10:46 PM2.9 ft	7:29 AM	6:47 PM	92%
Thu Oct 29	6:06 AM0.0 ft	12:36 PM1.6 ft	5:06 PM0.7 ft	11:38 PM2.8 ft	7:30 AM	6:46 PM	85%
Fri Oct 30	7:06 AM0.1 ft	1:35 PM1.5 ft	5:55 PM0.7 ft		7:30 AM	6:46 PM	77%
Sat Oct 31	12:36 AM2.7 ft	8:14 AM0.2 ft	2:43 PM1.5 ft	7:00 PM0.8 ft	7:31 AM	6:45 PM	68%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	1:46 AM2.5 ft	8:25 AM0.3 ft	2:56 PM1.6 ft	7:32 PM0.8 ft	6:32 AM	5:44 PM	57%
Mon Nov 2	2:10 AM2.4 ft	9:31 AM0.4 ft	4:00 PM1.7 ft	9:10 PM0.7 ft	6:32 AM	5:44 PM	46%
Tue Nov 3	3:40 AM2.3 ft	10:28 AM0.5 ft	4:49 PM1.9 ft	10:33 PM0.6 ft	6:33 AM	5:43 PM	36%
Wed Nov 4	5:00 AM2.2 ft	11:15 AM0.6 ft	5:30 PM2.1 ft	11:41 PM0.5 ft	6:33 AM	5:42 PM	26%
Thu Nov 5	6:05 AM2.2 ft	11:56 AM0.6 ft	6:07 PM2.3 ft		6:34 AM	5:42 PM	17%
Fri Nov 6	12:37 AM0.4 ft	7:00 AM2.1 ft	12:33 PM0.6 ft	6:40 PM2.5 ft	6:35 AM	5:41 PM	10%
Sat Nov 7	1:25 AM0.2 ft	7:49 AM2.0 ft	1:08 PM0.6 ft	7:13 PM2.6 ft	6:35 AM	5:41 PM	5%
Sun Nov 8	2:07 AM0.1 ft	8:32 AM1.9 ft	1:42 PM0.6 ft	7:45 PM2.6 ft	6:36 AM	5:40 PM	1%
Mon Nov 9	2:47 AM0.1 ft	9:11 AM1.8 ft	2:14 PM0.6 ft	8:18 PM2.6 ft	6:37 AM	5:40 PM	0%
Tue Nov 10	3:25 AM0.1 ft	9:48 AM1.7 ft	2:46 PM0.6 ft	8:52 PM2.5 ft	6:37 AM	5:39 PM	1%
Wed Nov 11	4:04 AM0.1 ft	10:25 AM1.6 ft	3:17 PM0.6 ft	9:28 PM2.5 ft	6:38 AM	5:39 PM	4%
Thu Nov 12	4:45 AM0.1 ft	11:03 AM1.5 ft	3:47 PM0.7 ft	10:06 PM2.4 ft	6:39 AM	5:38 PM	10%
Fri Nov 13	5:29 AM0.2 ft	11:44 AM1.5 ft	4:18 PM0.7 ft	10:47 PM2.3 ft	6:39 AM	5:38 PM	17%
Sat Nov 14	6:17 AM0.3 ft	12:31 PM1.4 ft	4:55 PM0.8 ft	11:32 PM2.2 ft	6:40 AM	5:38 PM	25%
Sun Nov 15	7:10 AM0.3 ft	1:24 PM1.5 ft	5:51 PM0.8 ft		6:41 AM	5:37 PM	35%
Mon Nov 16	12:25 AM2.1 ft	8:05 AM0.4 ft	2:21 PM1.5 ft	7:20 PM0.8 ft	6:41 AM	5:37 PM	45%
Tue Nov 17	1:29 AM2.0 ft	8:58 AM0.5 ft	3:14 PM1.6 ft	8:54 PM0.8 ft	6:42 AM	5:37 PM	56%
Wed Nov 18	2:45 AM1.9 ft	9:45 AM0.5 ft	3:58 PM1.8 ft	10:08 PM0.7 ft	6:43 AM	5:36 PM	66%
Thu Nov 19	4:03 AM1.9 ft	10:27 AM0.6 ft	4:36 PM1.9 ft	11:09 PM0.5 ft	6:44 AM	5:36 PM	76%
Fri Nov 20	5:14 AM1.8 ft	11:06 AM0.6 ft	5:12 PM2.1 ft		6:44 AM	5:36 PM	84%
Sat Nov 21	12:02 AM0.3 ft	6:16 AM1.8 ft	11:44 AM0.6 ft	5:49 PM2.3 ft	6:45 AM	5:36 PM	91%
Sun Nov 22	12:51 AM0.1 ft	7:13 AM1.7 ft	12:23 PM0.6 ft	6:28 PM2.5 ft	6:46 AM	5:35 PM	96%
Mon Nov 23	1:39 AM-0.1 ft	8:06 AM1.7 ft	1:01 PM0.5 ft	7:10 PM2.6 ft	6:46 AM	5:35 PM	99%
Tue Nov 24	2:26 AM-0.2 ft	8:57 AM1.6 ft	1:41 PM0.5 ft	7:56 PM2.7 ft	6:47 AM	5:35 PM	100%
Wed Nov 25	3:15 AM-0.3 ft	9:46 AM1.5 ft	2:23 PM0.5 ft	8:46 PM2.8 ft	6:48 AM	5:35 PM	98%
Thu Nov 26	4:05 AM-0.3 ft	10:35 AM1.4 ft	3:08 PM0.5 ft	9:39 PM2.7 ft	6:49 AM	5:35 PM	95%
Fri Nov 27	4:58 AM-0.2 ft	11:25 AM1.4 ft	3:58 PM0.5 ft	10:35 PM2.6 ft	6:49 AM	5:35 PM	89%
Sat Nov 28	5:54 AM-0.1 ft	12:16 PM1.4 ft	4:57 PM0.5 ft	11:34 PM2.5 ft	6:50 AM	5:35 PM	81%
Sun Nov 29	6:52 AM0.1 ft	1:09 PM1.4 ft	6:10 PM0.5 ft		6:51 AM	5:35 PM	73%
Mon Nov 30	12:40 AM2.2 ft	7:50 AM0.2 ft	2:06 PM1.6 ft	7:38 PM0.5 ft	6:51 AM	5:35 PM	63%

How these predictions are made

Boot Key Harbor bridge, Boot Key is a subordinate station: NOAA derives its tides from the reference station Key West by applying fixed offsets.

High tide time

-1h 03m

relative to Key West

Low tide time

-0h 37m

relative to reference

High tide height

x1.13

ratio

Low tide height

x0.75

ratio

Nearby tide stations

Vaca Key, USCG Station, Florida Bay0.5 mi · next high 6:24 AM
Knight Key Channel, Knight Key, Florida Bay1.3 mi · next high 5:47 PM
Pigeon Key, south side, Hawk Channel3.1 mi · next high 4:54 PM
Pigeon Key, north side, Florida Bay3.2 mi · next high 5:39 PM
Vaca Key-Fat Deer Key bridge5.1 mi · next high 4:38 PM
Sombrero Key, Hawk Channel5.3 mi · next high 4:46 PM

Questions

What time is high tide at Boot Key Harbor bridge, Boot Key today?

High tide at Boot Key Harbor bridge, Boot Key, Florida on Sunday, October 18, 2026 is at 1:58 AM (2.2 ft above MLLW) and 4:46 PM (1.5 ft above MLLW), NOAA prediction, local time.

What time is low tide at Boot Key Harbor bridge, Boot Key today?

Low tide at Boot Key Harbor bridge, Boot Key on Sunday, October 18, 2026 is at 10:04 AM (0.5 ft) and 8:44 PM (1.0 ft).

What is the water temperature at Boot Key Harbor bridge, Boot Key?

The nearest NOAA water-temperature reading to Boot Key Harbor bridge, Boot Key is 85.5 F at Vaca Key, Florida Bay (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 8723971.