tidealmanac

Grassy Key, North side, Florida Bay, FL tide chart

NOAA station 8723921 · Subordinate station · Datum MLLW · Local time (America/New_York)

Change stationFull year 2026

Today · Sun, Oct 25

High tideLow tide
  1. High2:53 AM1.6 ft0.50 m
  2. Low10:18 AM0.3 ft0.09 m
  3. High3:57 PM1.4 ft0.43 m
  4. Low10:08 PM0.9 ft0.27 m

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Next high3:57 PM1.4 ft0.43 m · in 4h 17m
Next low10:08 PM0.9 ft0.27 m · in 10h 28m
Range today1.4 ft0.41 m4 predicted tides today
MoonFullFull moon · spring tides

October 2026

Full year
Date1st tide2nd tide3rd tide4th tide
1Thu
12:56 AMLow · 0.9 ft0.28 m
6:35 AMHigh · 1.8 ft0.53 m
2:39 PMLow · 0.2 ft0.07 m
8:21 PMHigh · 1.0 ft0.31 m
2Fri
1:34 AMLow · 1.0 ft0.30 m
7:26 AMHigh · 1.7 ft0.52 m
3:50 PMLow · 0.3 ft0.11 m
9:38 PMHigh · 0.9 ft0.28 m
3Sat
2:24 AMLow · 1.1 ft0.33 m
8:32 AMHigh · 1.7 ft0.51 m
5:09 PMLow · 0.5 ft0.14 m
11:13 PMHigh · 0.9 ft0.28 m
4Sun
3:42 AMLow · 1.2 ft0.35 m
9:57 AMHigh · 1.6 ft0.49 m
6:28 PMLow · 0.5 ft0.16 m
5Mon
12:29 AMHigh · 1.0 ft0.31 m
5:22 AMLow · 1.2 ft0.35 m
11:30 AMHigh · 1.6 ft0.49 m
7:33 PMLow · 0.6 ft0.18 m
6Tue
1:18 AMHigh · 1.1 ft0.34 m
6:52 AMLow · 1.1 ft0.32 m
12:49 PMHigh · 1.6 ft0.50 m
8:24 PMLow · 0.7 ft0.20 m
7Wed
1:56 AMHigh · 1.3 ft0.39 m
8:04 AMLow · 0.9 ft0.27 m
1:54 PMHigh · 1.7 ft0.51 m
9:05 PMLow · 0.7 ft0.22 m
8Thu
2:30 AMHigh · 1.4 ft0.43 m
9:04 AMLow · 0.7 ft0.21 m
2:49 PMHigh · 1.6 ft0.50 m
9:40 PMLow · 0.8 ft0.24 m
9Fri
3:02 AMHigh · 1.5 ft0.47 m
9:55 AMLow · 0.5 ft0.16 m
3:38 PMHigh · 1.6 ft0.49 m
10:13 PMLow · 0.8 ft0.25 m
10Sat
3:33 AMHigh · 1.6 ft0.50 m
10:41 AMLow · 0.4 ft0.12 m
4:22 PMHigh · 1.5 ft0.46 m
10:45 PMLow · 0.9 ft0.26 m
11Sun
4:03 AMHigh · 1.7 ft0.52 m
11:24 AMLow · 0.3 ft0.10 m
5:03 PMHigh · 1.4 ft0.43 m
11:16 PMLow · 0.9 ft0.27 m
12Mon
4:34 AMHigh · 1.7 ft0.53 m
12:06 PMLow · 0.3 ft0.08 m
5:42 PMHigh · 1.3 ft0.40 m
11:46 PMLow · 0.9 ft0.28 m
13Tue
5:05 AMHigh · 1.7 ft0.53 m
12:47 PMLow · 0.3 ft0.09 m
6:21 PMHigh · 1.2 ft0.37 m
14Wed
12:15 AMLow · 1.0 ft0.30 m
5:39 AMHigh · 1.7 ft0.51 m
1:31 PMLow · 0.4 ft0.11 m
7:00 PMHigh · 1.1 ft0.34 m
15Thu
12:43 AMLow · 1.0 ft0.31 m
6:15 AMHigh · 1.6 ft0.50 m
2:19 PMLow · 0.4 ft0.14 m
7:44 PMHigh · 1.0 ft0.31 m
16Fri
1:10 AMLow · 1.1 ft0.34 m
6:55 AMHigh · 1.6 ft0.48 m
3:14 PMLow · 0.6 ft0.17 m
8:38 PMHigh · 1.0 ft0.29 m
17Sat
1:37 AMLow · 1.2 ft0.36 m
7:43 AMHigh · 1.5 ft0.46 m
4:20 PMLow · 0.7 ft0.20 m
9:54 PMHigh · 0.9 ft0.29 m
18Sun
2:18 AMLow · 1.3 ft0.39 m
8:41 AMHigh · 1.4 ft0.44 m
5:29 PMLow · 0.7 ft0.23 m
11:29 PMHigh · 1.0 ft0.30 m
19Mon
4:09 AMLow · 1.3 ft0.41 m
9:56 AMHigh · 1.4 ft0.43 m
6:31 PMLow · 0.8 ft0.24 m
20Tue
12:25 AMHigh · 1.1 ft0.33 m
5:55 AMLow · 1.3 ft0.40 m
11:16 AMHigh · 1.4 ft0.43 m
7:21 PMLow · 0.8 ft0.25 m
21Wed
12:57 AMHigh · 1.2 ft0.36 m
7:07 AMLow · 1.2 ft0.36 m
12:27 PMHigh · 1.5 ft0.44 m
8:01 PMLow · 0.8 ft0.26 m
22Thu
1:25 AMHigh · 1.3 ft0.39 m
8:03 AMLow · 1.0 ft0.30 m
1:26 PMHigh · 1.5 ft0.45 m
8:35 PMLow · 0.9 ft0.26 m
23Fri
1:53 AMHigh · 1.4 ft0.43 m
8:51 AMLow · 0.8 ft0.23 m
2:19 PMHigh · 1.5 ft0.45 m
9:06 PMLow · 0.9 ft0.27 m
24Sat
2:22 AMHigh · 1.5 ft0.47 m
9:35 AMLow · 0.5 ft0.16 m
3:08 PMHigh · 1.5 ft0.45 m
9:37 PMLow · 0.9 ft0.27 m
25Sun
2:53 AMHigh · 1.6 ft0.50 m
10:18 AMLow · 0.3 ft0.09 m
3:57 PMHigh · 1.4 ft0.43 m
10:08 PMLow · 0.9 ft0.27 m
26Mon
3:26 AMHigh · 1.7 ft0.53 m
11:02 AMLow · 0.1 ft0.03 m
4:45 PMHigh · 1.3 ft0.41 m
10:40 PMLow · 0.9 ft0.27 m
27Tue
4:03 AMHigh · 1.8 ft0.55 m
11:48 AMLow · 0.0 ft-0.01 m
5:34 PMHigh · 1.3 ft0.38 m
11:15 PMLow · 0.9 ft0.27 m
28Wed
4:44 AMHigh · 1.9 ft0.56 m
12:37 PMLow · -0.1 ft-0.02 m
6:25 PMHigh · 1.1 ft0.35 m
11:51 PMLow · 0.9 ft0.27 m
29Thu
5:29 AMHigh · 1.9 ft0.56 m
1:31 PMLow · 0.0 ft0.00 m
7:19 PMHigh · 1.0 ft0.32 m
30Fri
12:31 AMLow · 0.9 ft0.28 m
6:21 AMHigh · 1.8 ft0.55 m
2:31 PMLow · 0.1 ft0.04 m
8:18 PMHigh · 1.0 ft0.30 m
31Sat
1:20 AMLow · 1.0 ft0.30 m
7:19 AMHigh · 1.7 ft0.53 m
3:39 PMLow · 0.3 ft0.09 m
9:26 PMHigh · 1.0 ft0.29 m
Thu112:56 AM0.9 ft0.28 m6:35 AM1.8 ft0.53 m2:39 PM0.2 ft0.07 m8:21 PM1.0 ft0.31 mFri21:34 AM1.0 ft0.30 m7:26 AM1.7 ft0.52 m3:50 PM0.3 ft0.11 m9:38 PM0.9 ft0.28 mSat32:24 AM1.1 ft0.33 m8:32 AM1.7 ft0.51 m5:09 PM0.5 ft0.14 m11:13 PM0.9 ft0.28 mSun43:42 AM1.2 ft0.35 m9:57 AM1.6 ft0.49 m6:28 PM0.5 ft0.16 mMon512:29 AM1.0 ft0.31 m5:22 AM1.2 ft0.35 m11:30 AM1.6 ft0.49 m7:33 PM0.6 ft0.18 mTue61:18 AM1.1 ft0.34 m6:52 AM1.1 ft0.32 m12:49 PM1.6 ft0.50 m8:24 PM0.7 ft0.20 mWed71:56 AM1.3 ft0.39 m8:04 AM0.9 ft0.27 m1:54 PM1.7 ft0.51 m9:05 PM0.7 ft0.22 mShow the whole month

Heights relative to MLLW; times local to the station. Predictions from NOAA CO-OPS; not for navigation.

Nearby stations

Distance from this station. A nearer station is not necessarily the right one for your shore.
Toms Harbor Channel, Hwy. 1 bridgeFL · NOAA 8723918 · 1 mi (2 km)Grassy Key, South side, Hawk ChannelFL · NOAA 8723933 · 2 mi (3 km)Duck Key, Hawk ChannelFL · NOAA 8723927 · 2 mi (3 km)Toms Harbor CutFL · NOAA 8723912 · 2 mi (4 km)