Tides Today & Tomorrow in Uncatena Island, Hadley Harbor, MA

TIDE TIMES for Sunday, September 13, 2026
The tide is currently falling in Uncatena Island, Hadley Harbor, MA.

Next low tide : in 3m at 3:23 am (0.0 ft)
Next high tide : 10:10 am (4.6 ft)
Sunset today : 6:56 pm
Sunrise tomorrow : 6:21 am
Moon phase : Waxing Crescent (7% illuminated)
Tide Station Location : Station #8447941
Common Questions About Tides

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Uncatena Island, Hadley Harbor, MA Tides - Sep 2026

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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	Tue	11:29	4.2	11:55	3.6	4:36	-0.1	5:17	0.3	6:09	7:16		1	Tue
2	Wed			12:21	4.1	5:15	0.0	6:05	0.5	6:10	7:14		2	Wed
3	Thu	12:51	3.4	1:17	4.0	6:01	0.2	7:09	0.7	6:11	7:13		3	Thu
4	Fri	1:49	3.3	2:18	4.0	6:58	0.4	9:16	0.8	6:12	7:11		4	Fri
5	Sat	2:51	3.3	3:23	4.0	8:10	0.5	10:50	0.7	6:13	7:09		5	Sat
6	Sun	3:57	3.4	4:34	4.0	9:37	0.5	11:47	0.5	6:14	7:07		6	Sun
7	Mon	5:06	3.6	5:43	4.2	11:01	0.4			6:15	7:06		7	Mon
8	Tue	6:09	3.9	6:41	4.4	12:34	0.4	12:06	0.2	6:16	7:04		8	Tue
9	Wed	7:04	4.3	7:32	4.5	1:14	0.2	12:59	0.0	6:17	7:02		9	Wed
10	Thu	7:54	4.5	8:18	4.5	1:49	0.1	1:49	0.0	6:18	7:01		10	Thu
11	Fri	8:41	4.7	9:03	4.4	2:21	0.0	2:36	-0.1	6:19	6:59		11	Fri
12	Sat	9:26	4.7	9:46	4.2	2:52	0.0	3:20	0.0	6:20	6:57		12	Sat
13	Sun	10:10	4.6	10:29	3.9	3:23	0.0	4:00	0.1	6:21	6:56		13	Sun
14	Mon	10:54	4.4	11:13	3.6	3:56	0.1	4:38	0.3	6:22	6:54		14	Mon
15	Tue	11:39	4.0	11:59	3.3	4:31	0.3	5:16	0.5	6:23	6:52		15	Tue
16	Wed			12:26	3.7	5:08	0.5	5:58	0.8	6:24	6:50		16	Wed
17	Thu	12:47	3.0	1:15	3.4	5:49	0.7	6:49	1.0	6:25	6:49		17	Thu
18	Fri	1:37	2.8	2:06	3.2	6:37	0.9	8:06	1.2	6:26	6:47		18	Fri
19	Sat	2:28	2.7	2:59	3.1	7:42	1.0	9:49	1.2	6:27	6:45		19	Sat
20	Sun	3:22	2.7	3:59	3.0	9:05	1.1	10:49	1.0	6:28	6:43		20	Sun
21	Mon	4:23	2.8	4:59	3.1	10:24	0.9	11:31	0.8	6:29	6:42		21	Mon
22	Tue	5:22	3.0	5:50	3.3	11:21	0.7			6:30	6:40		22	Tue
23	Wed	6:10	3.3	6:31	3.5	12:06	0.6	12:07	0.5	6:31	6:38		23	Wed
24	Thu	6:52	3.6	7:10	3.7	12:38	0.4	12:49	0.3	6:32	6:36		24	Thu
25	Fri	7:31	3.9	7:49	3.9	1:09	0.1	1:30	0.1	6:33	6:35		25	Fri
26	Sat	8:10	4.2	8:29	4.0	1:41	-0.1	2:12	0.0	6:34	6:33		26	Sat
27	Sun	8:50	4.4	9:11	4.0	2:15	-0.2	2:54	-0.1	6:35	6:31		27	Sun
28	Mon	9:32	4.5	9:57	4.0	2:51	-0.2	3:37	-0.1	6:36	6:30		28	Mon
29	Tue	10:18	4.5	10:46	3.8	3:30	-0.2	4:19	0.0	6:37	6:28		29	Tue
30	Wed	11:08	4.4	11:39	3.6	4:11	-0.1	5:04	0.2	6:38	6:26		30	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: (8447941)

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When is the lowest tide this week in Uncatena Island, Hadley Harbor, MA?

The lowest tide this week in Uncatena Island, Hadley Harbor, MA is 0.0 ft on Sunday, Sep 13 at 3:23 am.

When is the highest tide this week in Uncatena Island, Hadley Harbor, MA?

The highest tide this week in Uncatena Island, Hadley Harbor, MA is 4.6 ft on Sunday, Sep 13 at 10:10 am — worth noting for launching your boat and being alert for possible high tide flooding.

Is this week a spring tide or neap tide in Uncatena Island, Hadley Harbor, MA?

Uncatena Island, Hadley Harbor, MA is currently in a spring phase. Tonight's moon is 7% 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 Uncatena Island, Hadley Harbor, MA 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 Uncatena Island, Hadley Harbor, MA?

Tide predictions for Uncatena Island, Hadley Harbor, MA 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 Uncatena Island, Hadley Harbor, MA?

Tide data for Uncatena Island, Hadley Harbor, MA is sourced from NOAA Station #8447941. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447941.

What time is high tide in Uncatena Island, Hadley Harbor, MA today?

High tides in Uncatena Island, Hadley Harbor, MA today: 10:10 am (4.6 ft), 10:29 pm (3.9 ft). The 10:10 am high of 4.6 ft is notably higher than the other — known as diurnal inequality, common on coasts influenced by lunar declination.

What time is low tide in Uncatena Island, Hadley Harbor, MA today?

Low tides in Uncatena Island, Hadley Harbor, MA today: 3:23 am (0.0 ft), 4:00 pm (0.1 ft). The 3:23 am low of 0.0 ft is a minus tide — water below the MLLW reference datum, which can expose tidepools, mudflats, and shellfish beds not normally accessible.

What is the tidal range in Uncatena Island, Hadley Harbor, MA today?

Today's tidal range in Uncatena Island, Hadley Harbor, MA is 4.6 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 3.7 ft, so today's swing is above-average.

What is the moon phase in Uncatena Island, Hadley Harbor, MA tonight?

Tonight the moon over Uncatena Island, Hadley Harbor, MA is Waxing Crescent (7% illuminated). This places Uncatena Island, Hadley Harbor, MA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

What type of tides does Uncatena Island, Hadley Harbor, MA have — semi-diurnal, diurnal, or mixed?

Uncatena Island, Hadley Harbor, MA has semi-diurnal tides — two high tides and two low tides roughly every 24 hours and 50 minutes, with similar heights.

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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