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 1h 30m 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 - Mar 1989

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:192.41:492.07:550.67:380.46:185:34Third Quarter1Wed
2Thu2:212.42:552.19:330.58:590.36:165:36Third Quarter2Thu
3Fri3:322.64:042.310:370.310:130.16:155:37Waning Crescent3Fri
4Sat4:402.85:072.711:240.011:14-0.26:135:38Waning Crescent4Sat
5Sun5:373.26:013.112:06-0.26:125:39Waning Crescent5Sun
6Mon6:283.46:513.512:09-0.512:47-0.56:105:40New Moon6Mon
7Tue7:163.67:393.81:02-0.61:28-0.66:085:41New Moon7Tue
8Wed8:043.78:273.91:55-0.72:09-0.76:075:42New Moon8Wed
9Thu8:523.69:173.92:47-0.72:50-0.76:055:44Waxing Crescent9Thu
10Fri9:423.410:083.83:36-0.63:31-0.66:035:45Waxing Crescent10Fri
11Sat10:343.111:023.64:24-0.44:12-0.46:025:46Waxing Crescent11Sat
12Sun11:302.95:15-0.14:57-0.26:005:47First Quarter12Sun
13Mon12:003.312:282.76:270.35:480.25:585:48First Quarter13Mon
14Tue1:013.01:292.58:360.46:560.45:575:49First Quarter14Tue
15Wed2:052.72:322.49:540.58:560.55:555:50First Quarter15Wed
16Thu3:162.63:402.410:510.410:310.55:535:52Waxing Gibbous16Thu
17Fri4:252.64:432.611:340.411:160.35:525:53Waxing Gibbous17Fri
18Sat5:212.75:362.712:060.35:505:54Waxing Gibbous18Sat
19Sun6:062.86:202.912:290.25:485:55Waxing Gibbous19Sun
20Mon6:442.86:593.012:220.112:500.15:475:56Full Moon20Mon
21Tue7:192.97:343.112:570.01:140.05:455:57Full Moon21Tue
22Wed7:522.88:083.11:35-0.11:43-0.15:435:58Full Moon22Wed
23Thu8:242.88:403.12:13-0.22:14-0.15:425:59Full Moon23Thu
24Fri8:562.79:113.02:49-0.12:45-0.15:406:00Waning Gibbous24Fri
25Sat9:302.59:442.93:24-0.13:160.05:386:01Waning Gibbous25Sat
26Sun10:072.410:212.73:570.03:480.15:366:03Waning Gibbous26Sun
27Mon10:492.311:052.64:310.24:230.25:356:04Waning Gibbous27Mon
28Tue11:382.211:572.65:090.35:030.35:336:05Third Quarter28Tue
29Wed12:312.25:580.55:560.45:316:06Third Quarter29Wed
30Thu12:542.51:282.27:100.67:070.45:306:07Third Quarter30Thu
31Fri1:552.62:302.38:470.58:340.45:286:08Third 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 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