Tides Today & Tomorrow in Westport Harbor, MA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Westport Harbor, MA.
Next low tide : in 4h 07m at 3:06 pm (0.2 ft)
Next high tide : 9:25 pm (3.3 ft)
Sunset today : 8:04 pm
Sunrise tomorrow : 5:37 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8447975
Common Questions About Tides

Westport Harbor, MA Tides - Aug 1970

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:122.98:353.32:260.41:430.35:388:02New Moon1Sat
2Sun8:523.09:113.22:570.42:280.35:398:01New Moon2Sun
3Mon9:303.09:443.23:270.33:130.35:408:00New Moon3Mon
4Tue10:073.010:173.03:570.23:550.35:417:59Waxing Crescent4Tue
5Wed10:433.010:502.94:260.24:350.35:427:57Waxing Crescent5Wed
6Thu11:192.911:252.74:540.25:120.45:437:56Waxing Crescent6Thu
7Fri11:562.95:220.35:510.55:447:55Waxing Crescent7Fri
8Sat12:052.612:372.95:530.36:330.65:457:54First Quarter8Sat
9Sun12:502.51:212.96:290.47:250.75:467:52First Quarter9Sun
10Mon1:392.42:102.97:160.58:350.85:477:51First Quarter10Mon
11Tue2:332.43:063.08:170.510:000.75:487:50First Quarter11Tue
12Wed3:342.44:113.19:270.411:150.65:497:48Waxing Gibbous12Wed
13Thu4:432.55:203.310:390.35:507:47Waxing Gibbous13Thu
14Fri5:502.86:233.612:120.411:45 AM0.15:517:46Waxing Gibbous14Fri
15Sat6:493.27:183.91:010.112:45-0.15:527:44Full Moon15Sat
16Sun7:433.58:104.01:49-0.11:42-0.25:537:43Full Moon16Sun
17Mon8:353.88:594.12:35-0.22:40-0.35:547:41Full Moon17Mon
18Tue9:254.09:494.03:19-0.33:37-0.35:557:40Full Moon18Tue
19Wed10:164.110:393.84:01-0.44:30-0.25:567:38Waning Gibbous19Wed
20Thu11:084.011:303.54:40-0.35:220.05:587:37Waning Gibbous20Thu
21Fri12:013.95:19-0.16:150.35:597:35Waning Gibbous21Fri
22Sat12:243.212:573.75:590.17:260.56:007:34Third Quarter22Sat
23Sun1:203.01:533.46:450.39:160.76:017:32Third Quarter23Sun
24Mon2:162.72:523.27:410.610:350.86:027:31Third Quarter24Mon
25Tue3:152.63:563.08:520.711:340.86:037:29Third Quarter25Tue
26Wed4:202.55:052.910:140.86:047:28Waning Crescent26Wed
27Thu5:242.66:053.012:200.711:20 AM0.76:057:26Waning Crescent27Thu
28Fri6:202.76:533.012:550.712:070.66:067:25Waning Crescent28Fri
29Sat7:062.97:333.11:230.612:490.56:077:23Waning Crescent29Sat
30Sun7:473.08:083.21:500.41:300.36:087:21New Moon30Sun
31Mon8:243.18:403.22:180.32:120.26:097:20New Moon31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447975)

Common Questions About Westport Harbor, MA Tides

Show All
What time does the tide turn (slack tide) in Westport Harbor, MA today?

Slack tide in Westport Harbor, MA is approximately 6:15 pm — 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 Westport Harbor, MA?

Westport Harbor, MA is currently in a spring phase. Tonight's moon is 99% 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 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 Full Moon (99% illuminated). This places Westport Harbor, 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