The tidal range at Grassy Key for the month of is approximately 1.91 ft with a minimum tide of -0.06 ft and maximum tide of 1.85 ft. Below is a combined tide table and solunar table. Today is highlighted in green. You can click or tap a particular row to see the details for that day. Or, you can see today’s tide and fishing time details on the Day tab.

October, 2026

▲ Blue = High Tide ▼ Red = Low Tide
Grassy Key, Florida — Tide predictions for Thursday, October 1, 2026 – Saturday, October 31, 2026. Local times: UTC−04:00. Heights in ft relative to MLLW.
Day Moon phase 1st Tide 2nd Tide 3rd Tide 4th Tide ☀ Sun Major Times Major fishing times (solunar periods) Minor Times Minor fishing times (solunar periods)
Waning Gibbous 78%
▼ 0.93 ft

▲ 1.75 ft

▼ 0.24 ft

▲ 1.02 ft
▲ 7:16 AM ▼ 7:11 PM 4:10 AM → 6:10 AM
4:40 PM → 6:40 PM
11:51 AM → 12:51 PM
10:29 PM → 11:29 PM
Waning Gibbous 68%
▼ 1 ft

▲ 1.72 ft

▼ 0.35 ft

▲ 0.93 ft
▲ 7:16 AM ▼ 7:09 PM 5:12 AM → 7:12 AM
5:43 PM → 7:43 PM
12:55 PM → 1:55 PM
Last Quarter 50%
▼ 1.08 ft

▲ 1.67 ft

▼ 0.45 ft

▲ 0.93 ft
▲ 7:17 AM ▼ 7:08 PM 6:15 AM → 8:15 AM
6:46 PM → 8:46 PM
11:32 PM → 12:32 AM
1:54 PM → 2:54 PM
Waning Crescent 45%
▼ 1.15 ft

▲ 1.62 ft

▼ 0.53 ft
▲ 7:17 AM ▼ 7:07 PM 7:15 AM → 9:15 AM
7:45 PM → 9:45 PM
12:39 AM → 1:39 AM
2:46 PM → 3:46 PM
Waning Crescent 34%
▲ 1 ft

▼ 1.16 ft

▲ 1.62 ft

▼ 0.59 ft
▲ 7:17 AM ▼ 7:06 PM 8:11 AM → 10:11 AM
8:40 PM → 10:40 PM
1:45 AM → 2:45 AM
3:31 PM → 4:31 PM
Waning Crescent 24%
▲ 1.12 ft

▼ 1.06 ft

▲ 1.64 ft

▼ 0.65 ft
▲ 7:18 AM ▼ 7:05 PM 9:03 AM → 11:03 AM
9:30 PM → 11:30 PM
2:49 AM → 3:49 AM
4:10 PM → 5:10 PM
Waning Crescent 15%
▲ 1.27 ft

▼ 0.89 ft

▲ 1.66 ft

▼ 0.72 ft
▲ 7:18 AM ▼ 7:04 PM 9:51 AM → 11:51 AM
10:17 PM → 12:17 AM
3:51 AM → 4:51 AM
4:45 PM → 5:45 PM
Waning Crescent 8%
▲ 1.41 ft

▼ 0.7 ft

▲ 1.65 ft

▼ 0.78 ft
▲ 7:19 AM ▼ 7:03 PM 10:37 AM → 12:37 PM 4:50 AM → 5:50 AM
5:19 PM → 6:19 PM
Waning Crescent 3%
▲ 1.54 ft

▼ 0.53 ft

▲ 1.6 ft

▼ 0.82 ft
▲ 7:19 AM ▼ 7:02 PM 11:03 PM → 1:03 AM
11:22 AM → 1:22 PM
5:47 AM → 6:47 AM
5:51 PM → 6:51 PM
New Moon 0%
▲ 1.64 ft

▼ 0.4 ft

▲ 1.52 ft

▼ 0.86 ft
▲ 7:20 AM ▼ 7:01 PM 11:47 PM → 1:47 AM
12:06 PM → 2:06 PM
6:43 AM → 7:43 AM
6:24 PM → 7:24 PM
Waxing Crescent 1%
▲ 1.71 ft

▼ 0.31 ft

▲ 1.42 ft

▼ 0.89 ft
▲ 7:20 AM ▼ 7:01 PM 12:32 AM → 2:32 AM
12:52 PM → 2:52 PM
7:40 AM → 8:40 AM
6:59 PM → 7:59 PM
Waxing Crescent 2%
▲ 1.73 ft

▼ 0.28 ft

▲ 1.32 ft

▼ 0.93 ft
▲ 7:20 AM ▼ 7:00 PM 1:18 AM → 3:18 AM
1:39 PM → 3:39 PM
8:37 AM → 9:37 AM
7:37 PM → 8:37 PM
Waxing Crescent 6%
▲ 1.72 ft

▼ 0.29 ft

▲ 1.21 ft
▲ 7:21 AM ▼ 6:59 PM 2:05 AM → 4:05 AM
2:28 PM → 4:28 PM
9:34 AM → 10:34 AM
8:19 PM → 9:19 PM
Waxing Crescent 11%
▼ 0.97 ft

▲ 1.68 ft

▼ 0.35 ft

▲ 1.11 ft
▲ 7:21 AM ▼ 6:58 PM 2:55 AM → 4:55 AM
3:18 PM → 5:18 PM
10:31 AM → 11:31 AM
9:05 PM → 10:05 PM
Waxing Crescent 18%
▼ 1.03 ft

▲ 1.63 ft

▼ 0.45 ft

▲ 1.03 ft
▲ 7:22 AM ▼ 6:57 PM 3:45 AM → 5:45 AM
4:09 PM → 6:09 PM
11:25 AM → 12:25 PM
9:54 PM → 10:54 PM
Waxing Crescent 26%
▼ 1.1 ft

▲ 1.57 ft

▼ 0.56 ft

▲ 0.97 ft
▲ 7:22 AM ▼ 6:56 PM 4:35 AM → 6:35 AM
5:01 PM → 7:01 PM
12:17 PM → 1:17 PM
10:47 PM → 11:47 PM
Waxing Crescent 34%
▼ 1.18 ft

▲ 1.5 ft

▼ 0.66 ft

▲ 0.95 ft
▲ 7:23 AM ▼ 6:55 PM 5:25 AM → 7:25 AM
5:51 PM → 7:51 PM
1:04 PM → 2:04 PM
First Quarter 50%
▼ 1.27 ft

▲ 1.45 ft

▼ 0.74 ft

▲ 0.98 ft
▲ 7:23 AM ▼ 6:54 PM 6:14 AM → 8:14 AM
6:39 PM → 8:39 PM
11:42 PM → 12:42 AM
1:46 PM → 2:46 PM
Waxing Gibbous 53%
▼ 1.34 ft

▲ 1.42 ft

▼ 0.79 ft
▲ 7:24 AM ▼ 6:53 PM 7:01 AM → 9:01 AM
7:26 PM → 9:26 PM
12:37 AM → 1:37 AM
2:25 PM → 3:25 PM
Waxing Gibbous 63%
▲ 1.07 ft

▼ 1.31 ft

▲ 1.42 ft

▼ 0.82 ft
▲ 7:24 AM ▼ 6:52 PM 7:46 AM → 9:46 AM
8:12 PM → 10:12 PM
1:32 AM → 2:32 AM
3:00 PM → 4:00 PM
Waxing Gibbous 72%
▲ 1.17 ft

▼ 1.19 ft

▲ 1.45 ft

▼ 0.84 ft
▲ 7:25 AM ▼ 6:52 PM 8:30 AM → 10:30 AM
8:55 PM → 10:55 PM
2:27 AM → 3:27 AM
3:33 PM → 4:33 PM
Waxing Gibbous 80%
▲ 1.28 ft

▼ 1 ft

▲ 1.48 ft

▼ 0.86 ft
▲ 7:25 AM ▼ 6:51 PM 9:14 AM → 11:14 AM
9:39 PM → 11:39 PM
3:23 AM → 4:23 AM
4:05 PM → 5:05 PM
Waxing Gibbous 88%
▲ 1.4 ft

▼ 0.77 ft

▲ 1.49 ft

▼ 0.88 ft
▲ 7:26 AM ▼ 6:50 PM 9:58 AM → 11:58 AM
10:24 PM → 12:24 AM
4:18 AM → 5:18 AM
4:38 PM → 5:38 PM
Waxing Gibbous 94%
▲ 1.52 ft

▼ 0.52 ft

▲ 1.47 ft

▼ 0.88 ft
▲ 7:26 AM ▼ 6:49 PM 10:44 AM → 12:44 PM
5:16 AM → 6:16 AM
5:12 PM → 6:12 PM
Waxing Gibbous 98%
▲ 1.64 ft

▼ 0.28 ft

▲ 1.43 ft

▼ 0.88 ft
▲ 7:27 AM ▼ 6:48 PM 11:12 PM → 1:12 AM
11:33 AM → 1:33 PM
6:17 AM → 7:17 AM
5:50 PM → 6:50 PM
Full Moon 100%
▲ 1.74 ft

▼ 0.09 ft

▲ 1.35 ft

▼ 0.88 ft
▲ 7:28 AM ▼ 6:48 PM 12:03 AM → 2:03 AM
12:27 PM → 2:27 PM
7:21 AM → 8:21 AM
6:33 PM → 7:33 PM
Waning Gibbous 99%
▲ 1.81 ft

▼ -0.03 ft

▲ 1.25 ft

▼ 0.88 ft
▲ 7:28 AM ▼ 6:47 PM 12:58 AM → 2:58 AM
1:26 PM → 3:26 PM
8:29 AM → 9:29 AM
7:23 PM → 8:23 PM
Waning Gibbous 95%
▲ 1.85 ft

▼ -0.06 ft

▲ 1.14 ft

▼ 0.89 ft
▲ 7:29 AM ▼ 6:46 PM 1:59 AM → 3:59 AM
2:29 PM → 4:29 PM
9:38 AM → 10:38 AM
8:20 PM → 9:20 PM
Waning Gibbous 89%
▲ 1.85 ft

▼ 0 ft

▲ 1.05 ft
▲ 7:29 AM ▼ 6:45 PM 3:03 AM → 5:03 AM
3:35 PM → 5:35 PM
10:46 AM → 11:46 AM
9:24 PM → 10:24 PM
Waning Gibbous 81%
▼ 0.92 ft

▲ 1.81 ft

▼ 0.14 ft

▲ 0.98 ft
▲ 7:30 AM ▼ 6:45 PM 4:07 AM → 6:07 AM
4:39 PM → 6:39 PM
11:48 AM → 12:48 PM
10:31 PM → 11:31 PM
Waning Gibbous 71%
▼ 0.98 ft

▲ 1.74 ft

▼ 0.3 ft

▲ 0.96 ft
▲ 7:30 AM ▼ 6:44 PM 5:09 AM → 7:09 AM
5:41 PM → 7:41 PM
12:43 PM → 1:43 PM

About these predictions

Tide heights are predictions, not measurements. Wind, air pressure, storms, and river flow can cause actual water levels to differ. Not for navigation.

Tide prediction source: NOAA
Vertical datum: MLLW — Mean Lower Low Water