Tides Today & Tomorrow in Westport Harbor, MA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently rising in Westport Harbor, MA.
Next low tide : 11:03 am (0.2 ft)
Next high tide : in 3h 26m at 5:15 am (2.8 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 5:47 am
Moon phase : Waning Crescent (13% illuminated)
Tide Station Location : Station #8447975
Common Questions About Tides

Westport Harbor, MA Tides - May 1959

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:422.94:153.010:560.411:290.55:417:41Third Quarter1Fri
2Sat4:442.85:153.111:340.45:407:42Waning Crescent2Sat
3Sun5:422.86:093.112:120.412:000.35:397:43Waning Crescent3Sun
4Mon6:332.86:563.212:450.312:230.35:377:44Waning Crescent4Mon
5Tue7:172.97:373.31:140.212:520.25:367:45Waning Crescent5Tue
6Wed7:572.98:153.31:460.21:270.15:357:46New Moon6Wed
7Thu8:352.98:503.32:220.12:040.15:347:47New Moon7Thu
8Fri9:112.99:243.23:010.02:440.05:337:48New Moon8Fri
9Sat9:482.89:573.13:390.03:240.15:317:49New Moon9Sat
10Sun10:262.710:323.04:160.14:030.15:307:50Waxing Crescent10Sun
11Mon11:052.611:112.94:510.24:410.25:297:51Waxing Crescent11Mon
12Tue11:482.611:542.85:250.35:200.35:287:52Waxing Crescent12Tue
13Wed12:352.56:010.36:030.45:277:53Waxing Crescent13Wed
14Thu12:422.71:242.66:440.46:550.55:267:54First Quarter14Thu
15Fri1:342.72:152.77:380.48:000.55:257:55First Quarter15Fri
16Sat2:282.73:092.98:430.49:150.45:247:56First Quarter16Sat
17Sun3:262.84:073.19:470.210:290.35:237:57Waxing Gibbous17Sun
18Mon4:292.95:083.410:440.011:330.05:227:58Waxing Gibbous18Mon
19Tue5:333.16:073.711:37-0.25:217:59Waxing Gibbous19Tue
20Wed6:333.37:024.012:29-0.212:26-0.35:208:00Waxing Gibbous20Wed
21Thu7:283.57:554.31:23-0.31:16-0.45:208:01Full Moon21Thu
22Fri8:213.68:474.32:17-0.42:07-0.55:198:02Full Moon22Fri
23Sat9:143.79:394.33:13-0.43:00-0.45:188:03Full Moon23Sat
24Sun10:073.710:324.14:06-0.43:53-0.35:178:04Waning Gibbous24Sun
25Mon11:013.611:273.94:56-0.34:44-0.15:168:05Waning Gibbous25Mon
26Tue11:573.45:45-0.15:360.15:168:06Waning Gibbous26Tue
27Wed12:233.612:543.36:370.16:340.45:158:07Third Quarter27Wed
28Thu1:193.31:513.27:430.38:000.65:158:07Third Quarter28Thu
29Fri2:153.12:473.18:580.49:540.75:148:08Third Quarter29Fri
30Sat3:102.93:443.19:510.510:550.65:138:09Third Quarter30Sat
31Sun4:072.74:423.010:290.511:390.65:138:10Waning Crescent31Sun
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 8:09 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 13% 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 (13% 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