Tides Today & Tomorrow in Westport Harbor, MA

TIDE TIMES for Tuesday, September 15, 2026
The tide is currently rising in Westport Harbor, MA.

Next low tide (tomorrow) : 5:19 am (0.4 ft)
Next high tide : in 3h 17m at 11:56 pm (2.7 ft)
Sunset today : 6:54 pm
Sunrise tomorrow : 6:24 am
Moon phase : Waxing Crescent (21% illuminated)
Tide Station Location : Station #8447975
Common Questions About Tides

Featured Local Businesses

Cape Yachts

South Wharf Yacht Yard & Marina

Dartmouth Harbormaster

Concordia Company

Cuttyhunk Harbormaster

Cuttyhunk Marina

Oldport Marine

Newport International Boat Show

Becket & Company Yacht Management Newport

Westport Harbor, MA Tides - May 1881

< Apr 1881

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Jun 1881 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sun	9:49	2.9	10:06	3.1	3:30	0.1	3:13	0.1	4:44	6:46		1	Sun
2	Mon	10:34	2.7	10:50	2.8	4:07	0.2	3:56	0.3	4:43	6:47		2	Mon
3	Tue	11:21	2.6	11:36	2.6	4:45	0.4	4:40	0.4	4:41	6:48		3	Tue
4	Wed			12:09	2.5	5:29	0.5	5:29	0.6	4:40	6:49		4	Wed
5	Thu	12:21	2.5	12:56	2.4	6:23	0.6	6:29	0.7	4:39	6:50		5	Thu
6	Fri	1:05	2.4	1:42	2.4	7:28	0.6	7:42	0.7	4:38	6:51		6	Fri
7	Sat	1:51	2.3	2:31	2.5	8:31	0.6	8:58	0.6	4:37	6:52		7	Sat
8	Sun	2:41	2.3	3:23	2.7	9:21	0.5	9:59	0.5	4:35	6:53		8	Sun
9	Mon	3:37	2.4	4:16	2.9	10:04	0.3	10:49	0.3	4:34	6:54		9	Mon
10	Tue	4:34	2.5	5:05	3.1	10:44	0.2	11:34	0.1	4:33	6:55		10	Tue
11	Wed	5:25	2.7	5:51	3.4	11:23	0.0			4:32	6:56		11	Wed
12	Thu	6:14	2.9	6:37	3.6	12:17	-0.1	12:04	-0.1	4:31	6:57		12	Thu
13	Fri	7:01	3.1	7:23	3.8	1:02	-0.2	12:47	-0.2	4:30	6:58		13	Fri
14	Sat	7:49	3.2	8:11	3.9	1:49	-0.3	1:34	-0.3	4:29	6:59		14	Sat
15	Sun	8:39	3.3	9:01	3.9	2:37	-0.3	2:22	-0.3	4:28	7:00		15	Sun
16	Mon	9:31	3.3	9:54	3.8	3:24	-0.3	3:12	-0.2	4:27	7:01		16	Mon
17	Tue	10:25	3.3	10:49	3.6	4:11	-0.2	4:04	-0.1	4:26	7:02		17	Tue
18	Wed	11:23	3.3	11:47	3.5	5:00	0.0	4:59	0.1	4:25	7:03		18	Wed
19	Thu			12:21	3.3	5:58	0.1	6:07	0.3	4:24	7:04		19	Thu
20	Fri	12:45	3.3	1:20	3.3	7:11	0.2	7:56	0.4	4:23	7:05		20	Fri
21	Sat	1:44	3.2	2:19	3.4	8:26	0.3	9:33	0.4	4:23	7:06		21	Sat
22	Sun	2:43	3.0	3:20	3.4	9:22	0.2	10:36	0.3	4:22	7:07		22	Sun
23	Mon	3:46	2.9	4:21	3.5	10:06	0.2	11:26	0.3	4:21	7:08		23	Mon
24	Tue	4:46	2.9	5:17	3.6	10:43	0.2			4:20	7:09		24	Tue
25	Wed	5:41	3.0	6:08	3.6	12:10	0.2	11:20 AM	0.2	4:20	7:09		25	Wed
26	Thu	6:30	3.0	6:54	3.6	12:49	0.2	11:58 AM	0.1	4:19	7:10		26	Thu
27	Fri	7:15	3.0	7:37	3.6	1:25	0.2	12:39	0.1	4:18	7:11		27	Fri
28	Sat	7:59	3.0	8:19	3.4	2:00	0.2	1:22	0.1	4:18	7:12		28	Sat
29	Sun	8:42	3.0	8:59	3.3	2:36	0.2	2:06	0.2	4:17	7:13		29	Sun
30	Mon	9:24	2.9	9:39	3.1	3:11	0.2	2:51	0.2	4:17	7:14		30	Mon
31	Tue	10:07	2.8	10:18	2.9	3:47	0.3	3:34	0.3	4:16	7:14		31	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: (8447975)

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

Westport Harbor, MA is currently in a transitional phase. Tonight's moon is 21% 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 shifting between spring and neap.

What datum are Westport 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 Westport Harbor, MA?

Tide predictions for Westport 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 Westport Harbor, MA?

Tide data for Westport Harbor, MA is sourced from NOAA Station #8447975. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447975.

What is the moon phase in Westport Harbor, MA tonight?

Tonight the moon over Westport Harbor, MA is Waxing Crescent (21% illuminated). This places Westport Harbor, MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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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