Tides Today & Tomorrow in Westport Harbor, MA

TIDE TIMES for Saturday, July 11, 2026
The tide is currently rising in Westport Harbor, MA.
Next low tide : 11:14 am (0.0 ft)
Next high tide : in 3h 54m at 5:30 am (2.8 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:20 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8447975
Common Questions About Tides

Westport Harbor, MA Tides - May 1989

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:403.05:143.311:010.011:480.05:407:41Waning Crescent1Mon
2Tue5:423.16:123.711:48-0.25:397:43Waning Crescent2Tue
3Wed6:403.27:064.012:44-0.212:33-0.35:387:44Waning Crescent3Wed
4Thu7:333.47:574.21:37-0.31:18-0.45:377:45New Moon4Thu
5Fri8:243.48:474.22:31-0.42:05-0.45:357:46New Moon5Fri
6Sat9:143.49:384.13:24-0.32:53-0.35:347:47New Moon6Sat
7Sun10:063.310:303.94:15-0.23:42-0.25:337:48Waxing Crescent7Sun
8Mon10:583.211:233.65:020.04:310.05:327:49Waxing Crescent8Mon
9Tue11:533.05:490.25:190.25:317:50Waxing Crescent9Tue
10Wed12:193.212:492.96:430.46:110.55:297:51First Quarter10Wed
11Thu1:163.01:462.88:040.67:140.75:287:52First Quarter11Thu
12Fri2:112.72:412.79:170.68:480.85:277:53First Quarter12Fri
13Sat3:052.63:362.710:050.610:160.75:267:54First Quarter13Sat
14Sun4:002.44:322.810:390.611:080.75:257:55Waxing Gibbous14Sun
15Mon4:562.45:262.911:080.511:500.55:247:56Waxing Gibbous15Mon
16Tue5:472.46:123.011:390.45:237:57Waxing Gibbous16Tue
17Wed6:312.46:523.112:280.412:130.35:227:58Waxing Gibbous17Wed
18Thu7:102.57:283.21:070.312:480.25:217:59Waxing Gibbous18Thu
19Fri7:472.68:033.21:470.21:250.25:218:00Full Moon19Fri
20Sat8:242.68:383.32:280.12:040.25:208:01Full Moon20Sat
21Sun9:032.79:163.33:090.12:440.25:198:02Full Moon21Sun
22Mon9:432.79:573.23:480.13:240.25:188:03Full Moon22Mon
23Tue10:272.710:413.24:250.14:050.25:178:04Waning Gibbous23Tue
24Wed11:142.711:303.15:010.24:480.25:178:05Waning Gibbous24Wed
25Thu12:052.75:400.25:340.35:168:06Waning Gibbous25Thu
26Fri12:233.112:592.86:250.36:290.45:158:06Third Quarter26Fri
27Sat1:183.01:532.97:190.37:380.55:158:07Third Quarter27Sat
28Sun2:133.02:493.18:210.39:050.55:148:08Third Quarter28Sun
29Mon3:112.93:473.39:220.210:320.35:148:09Third Quarter29Mon
30Tue4:132.94:493.510:190.111:400.25:138:10Waning Crescent30Tue
31Wed5:173.05:503.811:11-0.15:138:10Waning Crescent31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447975)

Common Questions About Westport Harbor, MA Tides

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

Slack tide in Westport Harbor, MA is approximately 8:22 am — 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 11% 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 Waning Crescent (11% 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