Tides Today & Tomorrow in Nantucket, MA

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in Nantucket, MA.
Next low tide : in 55m at 1:33 am (0.4 ft)
Next high tide : 8:07 am (2.9 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:07 am
Moon phase : First Quarter (67% illuminated)
Tide Station Location : Station #8449130
Common Questions About Tides

Nantucket, MA Tides - Jul 2026

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:353.52:242.67:490.37:350.85:118:17Full Moon1Wed
2Thu2:133.53:022.78:260.28:170.85:118:17Waning Gibbous2Thu
3Fri2:523.53:402.89:030.29:010.85:128:17Waning Gibbous3Fri
4Sat3:333.44:202.99:420.29:480.75:128:16Waning Gibbous4Sat
5Sun4:173.35:023.010:220.310:400.65:138:16Waning Gibbous5Sun
6Mon5:053.25:443.211:040.311:330.55:148:16Third Quarter6Mon
7Tue5:563.06:293.411:470.35:148:16Third Quarter7Tue
8Wed6:512.97:183.712:290.312:340.45:158:15Third Quarter8Wed
9Thu7:492.88:113.91:260.21:250.45:168:15Waning Crescent9Thu
10Fri8:512.79:074.02:270.12:210.45:168:14Waning Crescent10Fri
11Sat9:522.710:054.23:28-0.13:190.35:178:14Waning Crescent11Sat
12Sun10:532.811:044.34:26-0.24:170.25:188:13Waning Crescent12Sun
13Mon11:542.95:22-0.35:140.25:188:13New Moon13Mon
14Tue12:034.412:543.06:17-0.46:110.15:198:12New Moon14Tue
15Wed1:034.41:503.17:10-0.47:080.15:208:12New Moon15Wed
16Thu1:594.32:433.28:02-0.38:060.15:218:11Waxing Crescent16Thu
17Fri2:544.13:343.48:52-0.29:040.25:228:10Waxing Crescent17Fri
18Sat3:483.94:253.59:42-0.110:030.25:238:10Waxing Crescent18Sat
19Sun4:443.65:163.510:320.111:040.35:238:09First Quarter19Sun
20Mon5:403.36:073.611:210.35:248:08First Quarter20Mon
21Tue6:373.06:563.612:040.412:100.55:258:08First Quarter21Tue
22Wed7:342.87:463.51:030.412:590.75:268:07First Quarter22Wed
23Thu8:332.68:373.52:020.51:500.85:278:06Waxing Gibbous23Thu
24Fri9:292.59:273.53:020.52:430.95:288:05Waxing Gibbous24Fri
25Sat10:202.510:153.53:570.53:340.95:298:04Waxing Gibbous25Sat
26Sun11:072.511:013.54:450.54:220.95:308:03Waxing Gibbous26Sun
27Mon11:522.511:453.65:270.55:050.95:318:02Full Moon27Mon
28Tue12:352.66:060.45:470.85:328:01Full Moon28Tue
29Wed12:283.61:152.76:430.46:290.85:338:00Full Moon29Wed
30Thu1:093.61:532.87:180.47:100.75:337:59Full Moon30Thu
31Fri1:493.52:292.97:530.37:530.75:347:58Waning Gibbous31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8449130)

Common Questions About Nantucket, MA Tides

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

Slack tide in Nantucket, MA is approximately 4:50 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 transitional phase. Tonight's moon is 67% 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 shifting between spring and neap.

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 First Quarter (67% illuminated). This places Nantucket, MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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