Tides Today & Tomorrow in Nantucket, MA

TIDE TIMES for Friday, August 14, 2026
The tide is currently falling in Nantucket, MA.
Next low tide : in 26m at 7:37 am (-0.1 ft)
Next high tide : 2:18 pm (3.5 ft)
Sunset today : 7:41 pm
Sunrise tomorrow : 5:48 am
Moon phase : Waxing Crescent (5% illuminated)
Tide Station Location : Station #8449130
Common Questions About Tides

Nantucket, MA Tides - Aug 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:013.73:373.28:570.29:100.45:357:58Waning Gibbous1Tue
2Wed3:493.54:213.39:410.310:040.55:367:56Waning Gibbous2Wed
3Thu4:383.25:053.310:250.510:590.55:377:55Waning Gibbous3Thu
4Fri5:283.05:493.411:110.711:530.55:387:54Third Quarter4Fri
5Sat6:182.86:353.411:560.85:397:53Third Quarter5Sat
6Sun7:112.67:233.412:470.612:420.95:407:52Third Quarter6Sun
7Mon8:052.58:133.41:410.61:311.05:417:51Third Quarter7Mon
8Tue9:002.59:053.42:380.62:221.15:427:49Waning Crescent8Tue
9Wed9:532.59:553.53:330.63:141.05:437:48Waning Crescent9Wed
10Thu10:412.510:423.64:220.54:021.05:447:47Waning Crescent10Thu
11Fri11:282.511:283.65:050.54:460.95:457:45Waning Crescent11Fri
12Sat12:132.65:450.45:300.85:467:44New Moon12Sat
13Sun12:143.712:562.86:240.36:150.65:477:43New Moon13Sun
14Mon1:003.71:373.07:030.27:020.55:487:41New Moon14Mon
15Tue1:453.72:183.27:420.17:500.35:497:40Waxing Crescent15Tue
16Wed2:303.72:593.48:220.18:410.25:507:39Waxing Crescent16Wed
17Thu3:173.63:433.69:050.19:350.15:517:37Waxing Crescent17Thu
18Fri4:093.44:323.89:520.210:320.15:527:36Waxing Crescent18Fri
19Sat5:053.25:243.910:420.311:310.05:537:34First Quarter19Sat
20Sun6:043.16:204.011:350.35:547:33First Quarter20Sun
21Mon7:052.97:204.012:310.012:310.45:557:31First Quarter21Mon
22Tue8:092.98:224.01:330.11:300.55:567:30Waxing Gibbous22Tue
23Wed9:142.89:254.12:370.12:320.55:577:28Waxing Gibbous23Wed
24Thu10:162.910:254.03:410.13:340.55:587:27Waxing Gibbous24Thu
25Fri11:143.011:234.04:380.14:330.45:597:25Waxing Gibbous25Fri
26Sat12:093.15:290.15:270.46:007:24Full Moon26Sat
27Sun12:183.912:583.26:170.16:200.36:017:22Full Moon27Sun
28Mon1:093.81:423.37:000.27:100.36:027:20Full Moon28Mon
29Tue1:563.62:223.47:410.37:590.36:037:19Waning Gibbous29Tue
30Wed2:403.42:593.48:210.48:460.36:047:17Waning Gibbous30Wed
31Thu3:223.23:373.49:020.69:350.46:057:16Waning Gibbous31Thu
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 10:57 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 5% 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 Waxing Crescent (5% 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