Tides Today & Tomorrow in Chatham, MA

TIDE TIMES for Saturday, September 26, 2026
The tide is currently falling in Chatham, MA.

Next low tide : in 1h 27m at 7:00 pm (-0.1 ft)
Next high tide (tomorrow) : 12:42 am (5.4 ft)
Sunset today : 6:30 pm
Sunrise tomorrow : 6:31 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8447435
Common Questions About Tides

Chatham, MA Tides - Feb 1854

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Mar 1854 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Wed	2:32	5.3	2:48	5.7	9:03	-0.3	9:37	-0.5	6:56	4:59		1	Wed
2	Thu	3:23	5.3	3:42	5.3	9:55	-0.2	10:21	-0.3	6:55	5:00		2	Thu
3	Fri	4:14	5.2	4:37	4.8	10:49	-0.1	11:07	-0.1	6:54	5:01		3	Fri
4	Sat	5:05	5.0	5:35	4.4	11:46	0.0	11:55	0.1	6:52	5:03		4	Sat
5	Sun	5:59	4.9	6:35	4.1			12:44	0.0	6:51	5:04		5	Sun
6	Mon	6:54	4.8	7:34	3.9	12:45	0.2	1:42	0.0	6:50	5:05		6	Mon
7	Tue	7:48	4.8	8:30	3.9	1:37	0.3	2:38	-0.1	6:49	5:06		7	Tue
8	Wed	8:40	4.8	9:24	3.9	2:28	0.4	3:32	-0.2	6:48	5:08		8	Wed
9	Thu	9:31	4.9	10:13	4.0	3:20	0.4	4:21	-0.2	6:47	5:09		9	Thu
10	Fri	10:17	5.0	10:56	4.2	4:09	0.3	5:07	-0.3	6:45	5:10		10	Fri
11	Sat	10:58	5.2	11:35	4.3	4:56	0.2	5:48	-0.3	6:44	5:11		11	Sat
12	Sun	11:36	5.3			5:40	0.2	6:28	-0.4	6:43	5:13		12	Sun
13	Mon	12:10	4.5	12:11	5.4	6:22	0.1	7:05	-0.4	6:42	5:14		13	Mon
14	Tue	12:43	4.6	12:46	5.4	7:03	0.0	7:41	-0.4	6:40	5:15		14	Tue
15	Wed	1:15	4.8	1:24	5.4	7:45	0.0	8:17	-0.3	6:39	5:17		15	Wed
16	Thu	1:50	5.0	2:04	5.3	8:27	-0.1	8:52	-0.3	6:38	5:18		16	Thu
17	Fri	2:27	5.2	2:49	5.1	9:12	-0.2	9:29	-0.2	6:36	5:19		17	Fri
18	Sat	3:09	5.3	3:38	4.9	10:01	-0.1	10:10	-0.1	6:35	5:20		18	Sat
19	Sun	3:56	5.4	4:33	4.6	10:57	-0.1	10:58	0.0	6:33	5:21		19	Sun
20	Mon	4:50	5.4	5:35	4.4			12:01	0.0	6:32	5:23		20	Mon
21	Tue	5:51	5.4	6:43	4.2			1:10	0.0	6:30	5:24		21	Tue
22	Wed	6:57	5.5	7:51	4.2	1:01	0.2	2:17	-0.1	6:29	5:25		22	Wed
23	Thu	8:04	5.6	8:57	4.4	2:08	0.2	3:22	-0.2	6:27	5:26		23	Thu
24	Fri	9:10	5.8	9:57	4.7	3:15	0.1	4:22	-0.4	6:26	5:28		24	Fri
25	Sat	10:11	5.9	10:53	5.0	4:19	0.0	5:17	-0.5	6:24	5:29		25	Sat
26	Sun	11:07	6.1	11:43	5.3	5:17	-0.2	6:07	-0.6	6:23	5:30		26	Sun
27	Mon	11:58	6.1			6:11	-0.3	6:54	-0.7	6:21	5:31		27	Mon
28	Tue	12:31	5.4	12:48	6.0	7:03	-0.4	7:39	-0.6	6:20	5:32		28	Tue
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8447435)

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Is this week a spring tide or neap tide in Chatham, MA?

Chatham, MA is currently in a spring phase. Tonight's moon is 100% 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 Chatham, 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 Chatham, MA?

Tide predictions for Chatham, 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 Chatham, MA?

Tide data for Chatham, MA is sourced from NOAA Station #8447435. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447435.

What is the moon phase in Chatham, MA tonight?

Tonight the moon over Chatham, MA is Full Moon (100% illuminated). This places Chatham, MA 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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