Tides Today & Tomorrow in Fire Island Light, NY

TIDE TIMES for Tuesday, July 21, 2026
The tide is currently falling in Fire Island Light, NY.

Next low tide : in 3h 41m at 10:09 pm (0.2 ft)
Next high tide (tomorrow) : 3:21 am (0.6 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:40 am
Moon phase : First Quarter (52% illuminated)
Tide Station Location : Station #8515014
Common Questions About Tides

Fire Island Light, NY Tides - Sep 2061

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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	10:07	0.8	10:23	0.8	4:50	0.0	5:07	0.0	6:20	7:24		1	Thu
2	Fri	10:47	0.8	11:07	0.8	5:27	0.0	5:51	0.0	6:21	7:22		2	Fri
3	Sat	11:32	0.8	11:56	0.8	6:05	0.0	6:36	0.0	6:22	7:21		3	Sat
4	Sun			12:23	0.8	6:44	0.0	7:27	0.1	6:23	7:19		4	Sun
5	Mon	12:51	0.7	1:20	0.8	7:28	0.0	8:28	0.1	6:24	7:18		5	Mon
6	Tue	1:52	0.7	2:20	0.8	8:24	0.1	9:41	0.1	6:25	7:16		6	Tue
7	Wed	2:55	0.7	3:22	0.8	9:35	0.1	10:56	0.1	6:26	7:14		7	Wed
8	Thu	4:00	0.7	4:28	0.8	10:51	0.1			6:27	7:13		8	Thu
9	Fri	5:09	0.7	5:37	0.8	12:03	0.1	12:01	0.1	6:28	7:11		9	Fri
10	Sat	6:17	0.7	6:42	0.8	1:01	0.1	1:02	0.1	6:29	7:09		10	Sat
11	Sun	7:17	0.7	7:36	0.9	1:53	0.0	1:57	0.1	6:30	7:08		11	Sun
12	Mon	8:07	0.8	8:23	0.9	2:41	0.0	2:49	0.0	6:31	7:06		12	Mon
13	Tue	8:52	0.8	9:07	0.9	3:27	0.0	3:38	0.0	6:32	7:04		13	Tue
14	Wed	9:35	0.8	9:48	0.8	4:09	0.0	4:25	0.0	6:33	7:03		14	Wed
15	Thu	10:15	0.8	10:28	0.8	4:49	0.0	5:08	0.0	6:34	7:01		15	Thu
16	Fri	10:55	0.8	11:09	0.7	5:25	0.0	5:48	0.1	6:35	6:59		16	Fri
17	Sat	11:36	0.8	11:52	0.7	5:59	0.1	6:28	0.1	6:36	6:57		17	Sat
18	Sun			12:18	0.8	6:32	0.1	7:07	0.1	6:37	6:56		18	Sun
19	Mon	12:37	0.7	1:03	0.7	7:05	0.2	7:51	0.2	6:38	6:54		19	Mon
20	Tue	1:27	0.6	1:50	0.7	7:41	0.2	8:46	0.2	6:39	6:52		20	Tue
21	Wed	2:19	0.6	2:40	0.7	8:31	0.2	9:52	0.2	6:40	6:51		21	Wed
22	Thu	3:12	0.6	3:32	0.7	9:42	0.3	10:58	0.2	6:41	6:49		22	Thu
23	Fri	4:08	0.6	4:28	0.7	10:56	0.3	11:56	0.2	6:42	6:47		23	Fri
24	Sat	5:09	0.6	5:28	0.7	11:58	0.2			6:43	6:46		24	Sat
25	Sun	6:07	0.6	6:23	0.8	12:45	0.1	12:51	0.2	6:44	6:44		25	Sun
26	Mon	6:57	0.7	7:12	0.8	1:30	0.1	1:39	0.1	6:45	6:42		26	Mon
27	Tue	7:40	0.7	7:55	0.8	2:11	0.1	2:26	0.1	6:46	6:41		27	Tue
28	Wed	8:19	0.8	8:36	0.8	2:53	0.0	3:13	0.0	6:47	6:39		28	Wed
29	Thu	8:58	0.9	9:18	0.9	3:34	0.0	4:01	0.0	6:48	6:37		29	Thu
30	Fri	9:38	0.9	10:01	0.8	4:15	0.0	4:48	0.0	6:49	6:36		30	Fri
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8515014)

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What time does the tide turn (slack tide) in Fire Island Light, NY today?

Slack tide in Fire Island Light, NY is approximately 12:45 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Fire Island Light, NY?

Fire Island Light, NY is currently in a neap phase. Tonight's moon is 52% 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 minimum.

What datum are Fire Island Light, NY 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 Fire Island Light, NY?

Tide predictions for Fire Island Light, NY 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 Fire Island Light, NY?

Tide data for Fire Island Light, NY is sourced from NOAA Station #8515014. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8515014.

What is the moon phase in Fire Island Light, NY tonight?

Tonight the moon over Fire Island Light, NY is First Quarter (52% illuminated). This places Fire Island Light, NY in a neap tide cycle, so tidal ranges are near their weekly minimum 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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