Tides Today & Tomorrow in Westport Harbor, MA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Westport Harbor, MA.
Next low tide : 8:56 pm (0.6 ft)
Next high tide : in 1h 29m at 2:11 pm (3.3 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:10 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8447975
Common Questions About Tides

Westport Harbor, MA Tides - May 2013

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:593.51:313.27:150.27:130.35:407:42Third Quarter1Wed
2Thu1:593.32:313.28:570.39:170.45:397:43Third Quarter2Thu
3Fri2:593.13:323.210:110.310:500.45:387:44Third Quarter3Fri
4Sat4:013.04:353.211:030.311:490.35:367:45Waning Crescent4Sat
5Sun5:033.05:353.311:410.25:357:46Waning Crescent5Sun
6Mon6:013.06:293.512:350.312:090.25:347:47Waning Crescent6Mon
7Tue6:523.07:163.51:130.212:370.25:337:48Waning Crescent7Tue
8Wed7:383.07:593.51:460.21:100.15:327:49New Moon8Wed
9Thu8:203.08:403.52:180.11:460.15:307:50New Moon9Thu
10Fri9:023.09:193.42:520.12:260.15:297:51New Moon10Fri
11Sat9:422.99:563.23:290.13:080.15:287:52New Moon11Sat
12Sun10:212.810:333.14:060.13:500.15:277:53Waxing Crescent12Sun
13Mon11:022.711:102.94:420.24:310.25:267:54Waxing Crescent13Mon
14Tue11:442.611:502.75:190.35:130.35:257:55Waxing Crescent14Tue
15Wed12:282.55:560.45:560.55:247:56Waxing Crescent15Wed
16Thu12:322.61:132.56:380.56:450.65:237:57First Quarter16Thu
17Fri1:172.51:582.57:270.57:450.65:227:58First Quarter17Fri
18Sat2:052.52:462.68:240.58:560.65:217:59First Quarter18Sat
19Sun2:562.53:382.89:220.410:070.55:218:00First Quarter19Sun
20Mon3:532.64:343.010:160.311:090.35:208:01Waxing Gibbous20Mon
21Tue4:552.75:323.311:060.15:198:02Waxing Gibbous21Tue
22Wed5:562.96:273.612:020.111:54 AM-0.15:188:03Waxing Gibbous22Wed
23Thu6:523.17:193.912:52-0.112:42-0.35:178:04Full Moon23Thu
24Fri7:453.38:104.11:42-0.31:31-0.45:178:05Full Moon24Fri
25Sat8:373.59:024.22:35-0.42:22-0.45:168:06Full Moon25Sat
26Sun9:303.69:544.23:29-0.43:16-0.45:158:07Full Moon26Sun
27Mon10:233.610:484.04:20-0.44:10-0.35:158:07Waning Gibbous27Mon
28Tue11:193.611:443.85:10-0.25:04-0.15:148:08Waning Gibbous28Tue
29Wed12:163.56:01-0.16:010.15:148:09Waning Gibbous29Wed
30Thu12:413.61:153.46:580.17:120.45:138:10Third Quarter30Thu
31Fri1:393.42:123.48:100.29:130.55:138:11Third Quarter31Fri
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 5:33 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 neap phase. Tonight's moon is 48% 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 minimum.

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 (48% illuminated). This places Westport Harbor, MA in a neap tide cycle, so tidal ranges are near their weekly minimum 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