Tides Today & Tomorrow in Nantucket, MA

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Nantucket, MA.
Next low tide : 9:48 pm (0.7 ft)
Next high tide : in 1h 52m at 4:20 pm (2.9 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 5:12 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8449130
Common Questions About Tides

Nantucket, MA Tides - Aug 2044

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:192.87:303.612:460.412:430.75:367:56First Quarter1Mon
2Tue8:182.78:223.51:450.41:340.85:377:55First Quarter2Tue
3Wed9:162.69:153.52:460.52:280.95:387:54Waxing Gibbous3Wed
4Thu10:082.510:043.53:430.53:220.95:397:53Waxing Gibbous4Thu
5Fri10:562.510:513.54:330.54:110.95:407:52Waxing Gibbous5Fri
6Sat11:402.611:353.55:160.54:560.95:417:50Waxing Gibbous6Sat
7Sun12:232.65:550.55:380.85:427:49Full Moon7Sun
8Mon12:183.51:022.76:310.46:200.85:437:48Full Moon8Mon
9Tue12:593.51:402.87:060.47:010.75:447:47Full Moon9Tue
10Wed1:393.52:153.07:400.47:430.75:457:45Full Moon10Wed
11Thu2:193.42:513.18:140.48:260.65:467:44Waning Gibbous11Thu
12Fri2:593.33:273.38:500.49:120.55:477:43Waning Gibbous12Fri
13Sat3:413.24:063.49:290.410:010.45:487:41Waning Gibbous13Sat
14Sun4:283.14:503.610:110.510:540.35:497:40Third Quarter14Sun
15Mon5:203.05:383.710:570.511:490.25:507:38Third Quarter15Mon
16Tue6:152.86:323.811:470.55:517:37Third Quarter16Tue
17Wed7:132.87:303.912:470.212:420.55:527:35Third Quarter17Wed
18Thu8:162.78:324.01:470.11:410.55:537:34Waning Crescent18Thu
19Fri9:192.89:344.12:500.12:440.45:547:33Waning Crescent19Fri
20Sat10:212.910:354.23:510.03:470.35:557:31Waning Crescent20Sat
21Sun11:193.011:354.24:47-0.14:460.25:567:30New Moon21Sun
22Mon12:163.25:40-0.15:440.15:577:28New Moon22Mon
23Tue12:334.21:103.46:30-0.16:410.05:587:26New Moon23Tue
24Wed1:294.01:593.67:19-0.17:360.05:597:25New Moon24Wed
25Thu2:223.92:463.78:050.18:300.06:007:23Waxing Crescent25Thu
26Fri3:133.63:323.78:510.29:240.16:017:22Waxing Crescent26Fri
27Sat4:053.44:183.79:380.410:200.26:027:20Waxing Crescent27Sat
28Sun4:583.15:073.710:260.611:160.36:037:19First Quarter28Sun
29Mon5:522.95:573.611:160.86:047:17First Quarter29Mon
30Tue6:452.76:483.512:110.412:070.96:057:15First Quarter30Tue
31Wed7:402.67:423.41:070.512:591.06:067:14First Quarter31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8449130)

Common Questions About Nantucket, MA Tides

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

Slack tide in Nantucket, MA is approximately 7:04 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 Nantucket, MA?

Nantucket, MA is currently in a spring phase. Tonight's moon is 81% 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 Nantucket, 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 Nantucket, MA?

Tide predictions for Nantucket, 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 Nantucket, MA?

Tide data for Nantucket, MA is sourced from NOAA Station #8449130. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8449130.

What is the moon phase in Nantucket, MA tonight?

Tonight the moon over Nantucket, MA is Waning Gibbous (81% illuminated). This places Nantucket, 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