Tides Today & Tomorrow in Grassy Key, south side, Hawk Channel, FL

TIDE TIMES for Saturday, September 12, 2026
The tide is currently rising in Grassy Key, south side, Hawk Channel, FL.

Next low tide (tomorrow) : 5:09 am (0.2 ft)
Next high tide : in 5h 21m at 10:43 pm (2.6 ft)
Sunset today : 7:31 pm
Sunrise tomorrow : 7:08 am
Moon phase : New Moon (3% illuminated)
Tide Station Location : Station #8723933
Common Questions About Tides

Grassy Key, south side, Hawk Channel, FL Tides - Feb 1945

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Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Thu	12:04	1.7	12:45	1.3	6:47	-0.1	6:46	0.1	8:06	7:09		1	Thu
2	Fri	12:43	1.5	1:17	1.4	7:21	0.0	7:37	0.1	8:05	7:09		2	Fri
3	Sat	1:25	1.3	1:53	1.4	7:55	0.1	8:36	0.1	8:05	7:10		3	Sat
4	Sun	2:15	1.1	2:34	1.4	8:29	0.1	9:42	0.0	8:04	7:11		4	Sun
5	Mon	3:21	0.9	3:23	1.4	9:08	0.2	10:51	0.0	8:04	7:11		5	Mon
6	Tue	4:55	0.7	4:22	1.4	9:56	0.3	11:59	-0.1	8:03	7:12		6	Tue
7	Wed	6:30	0.7	5:25	1.5	10:56	0.3			8:03	7:13		7	Wed
8	Thu	7:38	0.7	6:27	1.7	1:00	-0.2	11:59 AM	0.3	8:02	7:13		8	Thu
9	Fri	8:25	0.8	7:23	1.8	1:53	-0.3	12:58	0.2	8:01	7:14		9	Fri
10	Sat	9:06	0.9	8:16	2.0	2:39	-0.4	1:51	0.1	8:01	7:15		10	Sat
11	Sun	9:43	1.0	9:07	2.1	3:22	-0.4	2:42	0.0	8:00	7:15		11	Sun
12	Mon	10:19	1.2	9:57	2.2	4:02	-0.4	3:31	0.0	8:00	7:16		12	Mon
13	Tue	10:55	1.3	10:47	2.2	4:41	-0.4	4:20	-0.1	7:59	7:17		13	Tue
14	Wed	11:31	1.4	11:37	2.1	5:20	-0.3	5:12	-0.2	7:58	7:17		14	Wed
15	Thu			12:08	1.6	6:00	-0.2	6:07	-0.2	7:57	7:18		15	Thu
16	Fri	12:28	1.8	12:47	1.7	6:40	-0.1	7:07	-0.2	7:57	7:18		16	Fri
17	Sat	1:23	1.5	1:30	1.7	7:22	0.0	8:13	-0.2	7:56	7:19		17	Sat
18	Sun	2:26	1.2	2:19	1.7	8:07	0.1	9:27	-0.2	7:55	7:20		18	Sun
19	Mon	3:45	0.9	3:19	1.7	8:58	0.2	10:44	-0.2	7:54	7:20		19	Mon
20	Tue	5:24	0.8	4:32	1.7	9:59	0.2			7:54	7:21		20	Tue
21	Wed	6:52	0.8	5:48	1.7	12:02	-0.2	11:08 AM	0.2	7:53	7:21		21	Wed
22	Thu	7:53	0.8	6:56	1.8	1:13	-0.2	12:18	0.2	7:52	7:22		22	Thu
23	Fri	8:38	0.9	7:52	1.8	2:09	-0.2	1:21	0.2	7:51	7:22		23	Fri
24	Sat	9:14	1.0	8:40	1.9	2:53	-0.3	2:15	0.1	7:50	7:23		24	Sat
25	Sun	9:45	1.1	9:22	1.9	3:30	-0.2	3:02	0.0	7:50	7:24		25	Sun
26	Mon	10:13	1.3	10:00	1.9	4:03	-0.2	3:45	0.0	7:49	7:24		26	Mon
27	Tue	10:39	1.4	10:36	1.8	4:35	-0.2	4:24	0.0	7:48	7:25		27	Tue
28	Wed	11:05	1.5	11:11	1.7	5:05	-0.1	5:03	-0.1	7:47	7:25		28	Wed
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8723933)

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Is this week a spring tide or neap tide in Grassy Key, south side, Hawk Channel, FL?

Grassy Key, south side, Hawk Channel, FL is currently in a spring phase. Tonight's moon is 3% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Grassy Key, south side, Hawk Channel, FL tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Grassy Key, south side, Hawk Channel, FL?

Tide predictions for Grassy Key, south side, Hawk Channel, FL come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Grassy Key, south side, Hawk Channel, FL?

Tide data for Grassy Key, south side, Hawk Channel, FL is sourced from NOAA Station #8723933. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723933.

What is the moon phase in Grassy Key, south side, Hawk Channel, FL tonight?

Tonight the moon over Grassy Key, south side, Hawk Channel, FL is New Moon (3% illuminated). This places Grassy Key, south side, Hawk Channel, FL in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA

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