Tides Today & Tomorrow in Nantucket, MA

TIDE TIMES for Monday, June 29, 2026
The tide is currently falling in Nantucket, MA.
Next low tide : in 1h 13m at 6:34 am (0.3 ft)
Next high tide : 1:09 pm (2.5 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:10 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8449130
Common Questions About Tides

Nantucket, MA Tides - Sep 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:173.55:36-0.25:490.06:067:13New Moon1Sat
2Sun12:374.11:103.66:26-0.26:43-0.16:077:12New Moon2Sun
3Mon1:314.01:583.77:15-0.17:350.06:087:10New Moon3Mon
4Tue2:223.82:453.78:020.08:270.06:097:08Waxing Crescent4Tue
5Wed3:113.63:303.78:490.29:180.16:107:07Waxing Crescent5Wed
6Thu4:003.44:163.69:360.410:110.26:117:05Waxing Crescent6Thu
7Fri4:503.25:043.610:250.511:050.36:127:03First Quarter7Fri
8Sat5:423.05:533.511:150.711:590.46:137:02First Quarter8Sat
9Sun6:332.96:433.412:050.86:147:00First Quarter9Sun
10Mon7:252.87:353.412:520.512:570.96:156:58First Quarter10Mon
11Tue8:192.88:273.41:460.61:500.96:166:57First Quarter11Tue
12Wed9:112.89:193.42:420.62:440.96:176:55Waxing Gibbous12Wed
13Thu10:002.810:083.43:330.63:350.86:186:53Waxing Gibbous13Thu
14Fri10:452.910:543.44:180.54:220.86:196:52Waxing Gibbous14Fri
15Sat11:283.011:393.44:580.55:050.66:206:50Waxing Gibbous15Sat
16Sun12:103.15:360.45:470.56:216:48Full Moon16Sun
17Mon12:233.512:503.36:140.46:300.36:226:46Full Moon17Mon
18Tue1:083.51:313.46:520.37:140.26:236:45Full Moon18Tue
19Wed1:523.52:113.67:320.37:590.16:246:43Waning Gibbous19Wed
20Thu2:363.42:533.78:140.38:470.06:256:41Waning Gibbous20Thu
21Fri3:233.43:393.88:590.39:38-0.16:266:39Waning Gibbous21Fri
22Sat4:143.34:303.99:490.310:33-0.16:276:38Waning Gibbous22Sat
23Sun5:103.25:263.910:420.311:31-0.16:286:36Third Quarter23Sun
24Mon6:083.26:253.911:400.36:296:34Third Quarter24Mon
25Tue7:093.17:273.912:290.012:390.46:306:33Third Quarter25Tue
26Wed8:123.28:303.91:290.01:410.36:316:31Waning Crescent26Wed
27Thu9:143.39:333.92:300.02:450.36:326:29Waning Crescent27Thu
28Fri10:123.410:323.93:300.03:470.26:346:27Waning Crescent28Fri
29Sat11:063.511:293.84:240.04:440.16:356:26Waning Crescent29Sat
30Sun11:583.65:150.05:380.06:366:24New Moon30Sun
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 9:51 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 Nantucket, MA?

Nantucket, MA is currently in a spring phase. Tonight's moon is 100% 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 Full Moon (100% 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