Tides Today & Tomorrow in Chelsea, MA

TIDE TIMES for Sunday, June 28, 2026
The tide is currently rising in Chelsea, MA.
Next low tide (tomorrow) : 5:41 am (0.9 ft)
Next high tide : in 1h 31m at 11:21 pm (9.8 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:09 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8443725
Common Questions About Tides

Chelsea, MA Tides - Nov 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:2910.22:4510.98:270.49:03-0.46:174:38Third Quarter1Sun
2Mon3:259.83:4110.39:230.89:590.16:184:36Third Quarter2Mon
3Tue4:239.44:419.810:211.210:550.66:194:35Third Quarter3Tue
4Wed5:249.25:449.411:201.511:520.96:214:34Third Quarter4Wed
5Thu6:259.16:469.212:201.56:224:33Waning Crescent5Thu
6Fri7:209.27:419.112:481.11:161.46:234:31Waning Crescent6Fri
7Sat8:099.48:319.11:391.22:071.36:244:30Waning Crescent7Sat
8Sun8:529.69:159.12:251.22:541.06:264:29Waning Crescent8Sun
9Mon9:319.79:569.23:091.23:370.86:274:28New Moon9Mon
10Tue10:089.910:349.23:501.24:180.66:284:27New Moon10Tue
11Wed10:4310.011:109.24:291.14:570.46:294:26New Moon11Wed
12Thu11:1810.111:479.25:081.15:360.26:314:25New Moon12Thu
13Fri11:5410.25:471.16:160.16:324:24New Moon13Fri
14Sat12:259.312:3310.36:271.16:570.06:334:23Waxing Crescent14Sat
15Sun1:069.31:1510.37:101.17:430.06:344:22Waxing Crescent15Sun
16Mon1:519.32:0210.27:571.28:310.16:364:21Waxing Crescent16Mon
17Tue2:409.32:5310.28:491.29:230.16:374:20First Quarter17Tue
18Wed3:339.43:4910.09:441.110:170.16:384:20First Quarter18Wed
19Thu4:309.64:5010.010:430.911:140.16:394:19First Quarter19Thu
20Fri5:309.95:5510.011:440.66:404:18First Quarter20Fri
21Sat6:3110.36:5910.112:120.012:450.26:424:17Waxing Gibbous21Sat
22Sun7:3010.87:5910.31:09-0.21:44-0.46:434:17Waxing Gibbous22Sun
23Mon8:2511.48:5710.52:05-0.42:41-0.96:444:16Waxing Gibbous23Mon
24Tue9:1811.89:5210.72:59-0.53:36-1.36:454:15Full Moon24Tue
25Wed10:1012.010:4510.73:52-0.64:28-1.66:464:15Full Moon25Wed
26Thu11:0012.111:3610.74:43-0.65:18-1.76:474:14Full Moon26Thu
27Fri11:4911.95:32-0.56:07-1.56:494:14Waning Gibbous27Fri
28Sat12:2510.512:3811.66:21-0.26:56-1.26:504:13Waning Gibbous28Sat
29Sun1:1510.21:2711.17:100.27:45-0.86:514:13Waning Gibbous29Sun
30Mon2:059.92:1810.68:020.68:35-0.36:524:12Waning Gibbous30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8443725)

Common Questions About Chelsea, MA Tides

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

Slack tide in Chelsea, MA is approximately 2:31 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 Chelsea, MA?

Chelsea, MA is currently in a spring phase. Tonight's moon is 98% 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 Chelsea, 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 Chelsea, MA?

Tide predictions for Chelsea, 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 Chelsea, MA?

Tide data for Chelsea, MA is sourced from NOAA Station #8443725. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8443725.

What is the moon phase in Chelsea, MA tonight?

Tonight the moon over Chelsea, MA is Full Moon (98% illuminated). This places Chelsea, 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