Tide & TempNOAA tides and water temperature

Florida tide station

Elliott Key Harbor, Elliott Key, Biscayne Bay tide times

Today, Sunday, October 18, 2026: high tide at 4:24 AM (1.8 ft) and 5:06 PM (1.8 ft); low tide at 11:23 AM (0.7 ft). Water temperature 85.8 F at buoy MDKF1 (17 mi away).

NOAA station 8723409 · Reference station · MLLW datum · times in EDT · sunrise 7:21 AM, sunset 6:51 PM · first quarter (51% lit)

High tide▲
4:24AM
1.8FT MLLW
high
Low tide▼
11:23AM
0.7FT MLLW
low
High tide▲
5:06PM
1.8FT MLLW
high
Water temp°F
85.8
29.9C
buoy MDKF1, 17 mi
11.512 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM12 AM4:24 AM1.8 ft11:23 AM0.7 ft5:06 PM1.8 ftnow 5:20 AM
predicted height above MLLWnightnow (build time; your browser updates it)

As of 5:20 AM the tide is falling toward low tide at 11:23 AM (0.7 ft).

First Quarter 51% litSunrise 7:21 AMSunset 6:51 PMDaylight 11h 29mEDT

Next 7 days at Elliott Key Harbor, Elliott Key, Biscayne Bay

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Sun Oct 18today4:24 AM1.8 ft11:23 AM0.7 ft5:06 PM1.8 ft 7:21 AM6:51 PM 51%
Mon Oct 1912:01 AM0.9 ft5:20 AM1.7 ft12:21 PM0.8 ft5:59 PM1.8 ft7:21 AM6:50 PM 61%
Tue Oct 2012:54 AM0.9 ft6:16 AM1.7 ft1:13 PM0.8 ft6:51 PM1.8 ft7:22 AM6:49 PM 71%
Wed Oct 211:44 AM0.8 ft7:11 AM1.8 ft2:04 PM0.7 ft7:41 PM1.8 ft7:23 AM6:48 PM 80%
Thu Oct 222:32 AM0.7 ft8:07 AM1.8 ft2:55 PM0.7 ft8:31 PM1.9 ft7:23 AM6:47 PM 88%
Fri Oct 233:19 AM0.6 ft9:01 AM1.9 ft3:43 PM0.7 ft9:19 PM1.9 ft7:24 AM6:46 PM 94%
Sat Oct 244:03 AM0.5 ft9:52 AM2.0 ft4:29 PM0.6 ft10:06 PM2.0 ft7:24 AM6:46 PM 98%

Water temperature near Elliott Key Harbor, Elliott Key, Biscayne Bay

405060708090
85.8 F (29.9 C)
NDBC buoy MDKF1 (Middle Key, FL), 17 mi away, observed 08:00 UTC October 18, 2026

Water temperature is the nearest NOAA reading to Elliott Key Harbor, Elliott Key, Biscayne Bay, 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

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Thu Oct 1    7:13 AM7:08 PM 72%
Fri Oct 2    7:14 AM7:07 PM 62%
Sat Oct 3    7:14 AM7:06 PM 52%
Sun Oct 4    7:14 AM7:05 PM 41%
Mon Oct 5    7:15 AM7:03 PM 31%
Tue Oct 6    7:15 AM7:02 PM 22%
Wed Oct 7    7:16 AM7:01 PM 14%
Thu Oct 8    7:16 AM7:00 PM 7%
Fri Oct 9    7:17 AM6:59 PM 3%
Sat Oct 10    7:17 AM6:58 PM 0%
Sun Oct 11    7:18 AM6:57 PM 0%
Mon Oct 12    7:18 AM6:56 PM 2%
Tue Oct 13    7:18 AM6:55 PM 7%
Wed Oct 14    7:19 AM6:55 PM 13%
Thu Oct 15    7:19 AM6:54 PM 21%
Fri Oct 162:48 AM1.9 ft9:31 AM0.6 ft3:26 PM1.9 ft10:03 PM0.9 ft7:20 AM6:53 PM 30%
Sat Oct 173:34 AM1.8 ft10:22 AM0.7 ft4:14 PM1.8 ft11:01 PM0.9 ft7:20 AM6:52 PM 40%
Sun Oct 18today4:24 AM1.8 ft11:23 AM0.7 ft5:06 PM1.8 ft 7:21 AM6:51 PM 51%
Mon Oct 1912:01 AM0.9 ft5:20 AM1.7 ft12:21 PM0.8 ft5:59 PM1.8 ft7:21 AM6:50 PM 61%
Tue Oct 2012:54 AM0.9 ft6:16 AM1.7 ft1:13 PM0.8 ft6:51 PM1.8 ft7:22 AM6:49 PM 71%
Wed Oct 211:44 AM0.8 ft7:11 AM1.8 ft2:04 PM0.7 ft7:41 PM1.8 ft7:23 AM6:48 PM 80%
Thu Oct 222:32 AM0.7 ft8:07 AM1.8 ft2:55 PM0.7 ft8:31 PM1.9 ft7:23 AM6:47 PM 88%
Fri Oct 233:19 AM0.6 ft9:01 AM1.9 ft3:43 PM0.7 ft9:19 PM1.9 ft7:24 AM6:46 PM 94%
Sat Oct 244:03 AM0.5 ft9:52 AM2.0 ft4:29 PM0.6 ft10:06 PM2.0 ft7:24 AM6:46 PM 98%
Sun Oct 254:46 AM0.4 ft10:40 AM2.1 ft5:13 PM0.6 ft10:50 PM2.1 ft7:25 AM6:45 PM 100%
Mon Oct 265:28 AM0.3 ft11:28 AM2.2 ft5:58 PM0.6 ft11:36 PM2.1 ft7:25 AM6:44 PM 99%
Tue Oct 276:14 AM0.3 ft12:16 PM2.2 ft6:46 PM0.6 ft 7:26 AM6:43 PM 97%
Wed Oct 2812:24 AM2.1 ft7:03 AM0.2 ft1:08 PM2.2 ft7:36 PM0.6 ft7:26 AM6:43 PM 92%
Thu Oct 291:15 AM2.1 ft7:55 AM0.2 ft2:00 PM2.1 ft8:28 PM0.6 ft7:27 AM6:42 PM 85%
Fri Oct 302:08 AM2.1 ft8:49 AM0.3 ft2:53 PM2.1 ft9:23 PM0.6 ft7:28 AM6:41 PM 77%
Sat Oct 313:03 AM2.0 ft9:47 AM0.4 ft3:46 PM2.0 ft10:26 PM0.7 ft7:28 AM6:40 PM 68%

November 2026 tide table

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Sun Nov 13:00 AM1.9 ft9:54 AM0.5 ft3:43 PM1.9 ft10:35 PM0.7 ft6:29 AM5:40 PM 57%
Mon Nov 24:03 AM1.9 ft11:01 AM0.5 ft4:42 PM1.9 ft11:38 PM0.6 ft6:30 AM5:39 PM 46%
Tue Nov 35:07 AM1.8 ft12:02 PM0.6 ft5:38 PM1.9 ft 6:30 AM5:38 PM 36%
Wed Nov 412:35 AM0.5 ft6:08 AM1.8 ft1:00 PM0.6 ft6:32 PM1.8 ft6:31 AM5:38 PM 26%
Thu Nov 51:30 AM0.5 ft7:08 AM1.8 ft1:56 PM0.6 ft7:25 PM1.8 ft6:31 AM5:37 PM 17%
Fri Nov 62:22 AM0.4 ft8:05 AM1.8 ft2:49 PM0.6 ft8:15 PM1.8 ft6:32 AM5:37 PM 10%
Sat Nov 73:09 AM0.4 ft8:55 AM1.9 ft3:36 PM0.6 ft9:00 PM1.8 ft6:33 AM5:36 PM 5%
Sun Nov 83:53 AM0.3 ft9:38 AM1.9 ft4:19 PM0.6 ft9:42 PM1.9 ft6:33 AM5:36 PM 1%
Mon Nov 94:34 AM0.3 ft10:19 AM1.9 ft5:02 PM0.6 ft10:23 PM1.8 ft6:34 AM5:35 PM 0%
Tue Nov 105:14 AM0.3 ft11:00 AM1.9 ft5:44 PM0.6 ft11:04 PM1.8 ft6:35 AM5:35 PM 1%
Wed Nov 115:56 AM0.4 ft11:43 AM1.9 ft6:26 PM0.6 ft11:48 PM1.8 ft6:36 AM5:34 PM 4%
Thu Nov 126:38 AM0.4 ft12:28 PM1.8 ft7:08 PM0.7 ft 6:36 AM5:34 PM 10%
Fri Nov 1312:33 AM1.8 ft7:19 AM0.4 ft1:13 PM1.8 ft7:49 PM0.7 ft6:37 AM5:33 PM 17%
Sat Nov 141:19 AM1.7 ft8:00 AM0.5 ft1:57 PM1.8 ft8:32 PM0.7 ft6:38 AM5:33 PM 25%
Sun Nov 152:05 AM1.7 ft8:43 AM0.5 ft2:43 PM1.7 ft9:22 PM0.7 ft6:38 AM5:32 PM 35%
Mon Nov 162:54 AM1.6 ft9:35 AM0.6 ft3:31 PM1.7 ft10:20 PM0.7 ft6:39 AM5:32 PM 45%
Tue Nov 173:47 AM1.6 ft10:35 AM0.6 ft4:21 PM1.7 ft11:14 PM0.7 ft6:40 AM5:32 PM 56%
Wed Nov 184:44 AM1.6 ft11:29 AM0.6 ft5:11 PM1.7 ft 6:40 AM5:31 PM 66%
Thu Nov 1912:02 AM0.6 ft5:39 AM1.6 ft12:20 PM0.6 ft6:00 PM1.7 ft6:41 AM5:31 PM 76%
Fri Nov 2012:49 AM0.5 ft6:34 AM1.7 ft1:12 PM0.6 ft6:50 PM1.7 ft6:42 AM5:31 PM 84%
Sat Nov 211:37 AM0.4 ft7:30 AM1.8 ft2:06 PM0.6 ft7:41 PM1.8 ft6:43 AM5:31 PM 91%
Sun Nov 222:27 AM0.3 ft8:25 AM1.8 ft2:58 PM0.5 ft8:33 PM1.8 ft6:43 AM5:31 PM 96%
Mon Nov 233:16 AM0.1 ft9:17 AM1.9 ft3:47 PM0.5 ft9:22 PM1.9 ft6:44 AM5:30 PM 99%
Tue Nov 244:04 AM0.1 ft10:06 AM2.0 ft4:36 PM0.4 ft10:12 PM1.9 ft6:45 AM5:30 PM 100%
Wed Nov 254:54 AM-0.0 ft10:57 AM2.0 ft5:27 PM0.4 ft11:02 PM1.9 ft6:46 AM5:30 PM 98%
Thu Nov 265:47 AM-0.0 ft11:49 AM2.0 ft6:21 PM0.4 ft11:56 PM1.9 ft6:46 AM5:30 PM 95%
Fri Nov 276:42 AM-0.0 ft12:43 PM1.9 ft7:16 PM0.4 ft 6:47 AM5:30 PM 89%
Sat Nov 2812:53 AM1.9 ft7:37 AM0.1 ft1:35 PM1.9 ft8:11 PM0.3 ft6:48 AM5:30 PM 81%
Sun Nov 291:49 AM1.8 ft8:33 AM0.1 ft2:27 PM1.8 ft9:11 PM0.3 ft6:48 AM5:30 PM 73%
Mon Nov 302:46 AM1.7 ft9:34 AM0.2 ft3:20 PM1.7 ft10:14 PM0.3 ft6:49 AM5:30 PM 63%

Tidal datums at Elliott Key Harbor, Elliott Key, Biscayne Bay

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8723409, in feet above MLLW:

MHHW

5.06 ft
Mean higher high water

MHW

4.98 ft
Mean high water

MSL

4.21 ft
Mean sea level

MLW

3.50 ft
Mean low water

MN

1.48 ft
Mean range

GT

1.66 ft
Diurnal range

Nearby tide stations

Questions

What time is high tide at Elliott Key Harbor, Elliott Key, Biscayne Bay today?

High tide at Elliott Key Harbor, Elliott Key, Biscayne Bay, Florida on Sunday, October 18, 2026 is at 4:24 AM (1.8 ft above MLLW) and 5:06 PM (1.8 ft above MLLW), NOAA prediction, local time.

What time is low tide at Elliott Key Harbor, Elliott Key, Biscayne Bay today?

Low tide at Elliott Key Harbor, Elliott Key, Biscayne Bay on Sunday, October 18, 2026 is at 11:23 AM (0.7 ft).

What is the water temperature at Elliott Key Harbor, Elliott Key, Biscayne Bay?

The nearest NOAA water-temperature reading to Elliott Key Harbor, Elliott Key, Biscayne Bay is 85.8 F at buoy MDKF1 (17 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 8723409.