Nearby Harbors
41.5084’ N, 71.0930’ W

Westport Harbor, MA

77°
H 79°
L 65°
SSW
11mph
Low tide
7:00 pm
Photo Credits

Tides Today & Tomorrow in Westport Harbor, MA

TIDE TIMES for Thursday, September 17, 2026
The tide is currently falling in Westport Harbor, MA.
Next low tide : in 4h 05m at 7:00 pm (0.9 ft)
Next high tide (tomorrow) : 1:34 am (2.4 ft)
Sunset today : 6:50 pm
Sunrise tomorrow : 6:26 am
Moon phase : First Quarter (39% illuminated)
Tide Station Location : Station #8447975
Common Questions About Tides

Featured Local Businesses

South Wharf Yacht Yard

South Wharf Yacht Yard & Marina

Concordia Company

Dartmouth Harbormaster
Cape Yachts

Cape Yachts
cuttyhunk noaa nautical chart

Cuttyhunk Harbormaster
Aerial view of Cuttyhunk Marina.

Cuttyhunk Marina
Newport International Boat Show

Newport International Boat Show
Oldport Marine

Oldport Marine

Becket & Company Yacht Management Newport

Westport Harbor, MA Tides - Jun 1924

Print this Tide Chart
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:042.88:223.31:560.21:300.25:128:11New Moon1Sun
2Mon8:432.98:573.32:350.22:110.15:128:12New Moon2Mon
3Tue9:212.89:313.23:150.12:520.15:118:12New Moon3Tue
4Wed9:582.810:063.13:540.13:340.25:118:13New Moon4Wed
5Thu10:372.710:433.04:300.24:140.25:118:14Waxing Crescent5Thu
6Fri11:192.711:242.95:040.24:530.35:108:14Waxing Crescent6Fri
7Sat12:032.65:370.35:340.45:108:15Waxing Crescent7Sat
8Sun12:092.812:502.76:140.46:200.55:108:16Waxing Crescent8Sun
9Mon12:582.81:392.86:590.47:170.55:108:16First Quarter9Mon
10Tue1:492.82:302.97:530.48:260.55:098:17First Quarter10Tue
11Wed2:432.83:243.18:540.39:410.45:098:17First Quarter11Wed
12Thu3:432.84:233.39:540.110:510.25:098:18Waxing Gibbous12Thu
13Fri4:472.95:253.610:510.011:530.05:098:18Waxing Gibbous13Fri
14Sat5:513.16:233.911:45-0.25:098:19Waxing Gibbous14Sat
15Sun6:503.37:194.212:48-0.212:37-0.35:098:19Full Moon15Sun
16Mon7:453.58:124.31:43-0.31:29-0.45:098:20Full Moon16Mon
17Tue8:393.69:054.32:39-0.32:23-0.45:098:20Full Moon17Tue
18Wed9:323.79:574.23:35-0.33:18-0.35:098:20Full Moon18Wed
19Thu10:253.710:514.04:27-0.34:13-0.25:098:21Waning Gibbous19Thu
20Fri11:203.611:453.85:15-0.15:050.05:108:21Waning Gibbous20Fri
21Sat12:163.56:010.05:590.35:108:21Waning Gibbous21Sat
22Sun12:403.51:123.36:500.27:030.55:108:21Third Quarter22Sun
23Mon1:353.22:083.27:460.48:480.75:108:21Third Quarter23Mon
24Tue2:283.03:023.18:430.510:100.75:118:22Third Quarter24Tue
25Wed3:212.83:583.19:330.511:040.75:118:22Third Quarter25Wed
26Thu4:182.64:553.010:160.511:450.65:118:22Waning Crescent26Thu
27Fri5:152.65:493.110:570.55:128:22Waning Crescent27Fri
28Sat6:082.66:363.112:200.511:39 AM0.45:128:22Waning Crescent28Sat
29Sun6:542.67:173.212:560.412:210.35:138:22Waning Crescent29Sun
30Mon7:362.77:553.21:330.31:030.25:138:22New Moon30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447975)

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Common Questions About Westport Harbor, MA Tides

Collapse All
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 39% 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 First Quarter (39% 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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