Tides Today & Tomorrow in Chelsea, MA

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Chelsea, MA.
Next low tide : 10:03 pm (1.4 ft)
Next high tide : in 1h 05m at 3:52 pm (9.3 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 5:13 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8443725
Common Questions About Tides

Chelsea, MA Tides - Oct 2044

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:508.08:038.91:231.71:392.46:426:24Waxing Gibbous1Sat
2Sun8:438.38:569.12:181.62:332.16:436:23Waxing Gibbous2Sun
3Mon9:298.69:429.33:071.43:231.76:446:21Waxing Gibbous3Mon
4Tue10:109.110:259.63:521.14:101.36:456:19Waxing Gibbous4Tue
5Wed10:479.511:069.84:330.94:530.86:466:17Full Moon5Wed
6Thu11:2410.011:469.95:130.75:350.36:476:16Full Moon6Thu
7Fri12:0110.45:520.56:17-0.16:486:14Full Moon7Fri
8Sat12:2610.012:3910.86:320.46:59-0.56:496:12Full Moon8Sat
9Sun1:0810.01:2011.07:130.47:44-0.66:516:11Waning Gibbous9Sun
10Mon1:549.92:0611.17:570.58:34-0.66:526:09Waning Gibbous10Mon
11Tue2:439.72:5711.08:470.79:27-0.46:536:07Waning Gibbous11Tue
12Wed3:389.53:5310.89:411.010:25-0.26:546:06Third Quarter12Wed
13Thu4:379.24:5510.510:411.211:260.16:556:04Third Quarter13Thu
14Fri5:439.16:0210.311:451.36:566:02Third Quarter14Fri
15Sat6:529.27:1410.212:300.212:521.26:576:01Waning Crescent15Sat
16Sun8:009.58:2210.31:340.21:580.96:595:59Waning Crescent16Sun
17Mon9:0010.09:2210.42:350.13:000.57:005:58Waning Crescent17Mon
18Tue9:5310.410:1810.43:300.13:570.17:015:56Waning Crescent18Tue
19Wed10:4110.711:0810.34:210.14:50-0.27:025:55New Moon19Wed
20Thu11:2610.911:5510.15:070.25:37-0.47:035:53New Moon20Thu
21Fri12:0710.95:500.46:20-0.47:055:52New Moon21Fri
22Sat12:389.912:4610.76:310.77:01-0.27:065:50New Moon22Sat
23Sun1:189.51:2510.47:111.07:420.17:075:49Waxing Crescent23Sun
24Mon1:599.22:0410.17:521.48:250.47:085:47Waxing Crescent24Mon
25Tue2:418.82:479.88:351.79:110.87:095:46Waxing Crescent25Tue
26Wed3:268.53:339.49:222.09:591.17:115:44Waxing Crescent26Wed
27Thu4:148.24:239.110:122.310:511.47:125:43First Quarter27Thu
28Fri5:078.05:188.911:062.411:451.67:135:42First Quarter28Fri
29Sat6:048.06:178.712:032.57:145:40First Quarter29Sat
30Sun7:038.27:178.712:391.61:002.37:165:39First Quarter30Sun
31Mon7:568.58:138.91:331.51:562.07:175:38Waxing Gibbous31Mon
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 6:57 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 Chelsea, MA?

Chelsea, MA is currently in a transitional phase. Tonight's moon is 72% 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 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 Waning Gibbous (72% illuminated). This places Chelsea, 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