Tides Today & Tomorrow in Chelsea, MA

TIDE TIMES for Sunday, July 26, 2026
The tide is currently falling in Chelsea, MA.
Next low tide : in 4h 37m at 3:48 pm (2.2 ft)
Next high tide : 10:13 pm (9.5 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 5:30 am
Moon phase : Waxing Gibbous (92% illuminated)
Tide Station Location : Station #8443725
Common Questions About Tides

Chelsea, MA Tides - Mar 2069

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:2610.56:099.211:45-0.16:175:34First Quarter1Fri
2Sat6:3410.37:179.112:050.712:500.16:165:35Waxing Gibbous2Sat
3Sun7:3910.28:199.21:090.81:530.26:145:36Waxing Gibbous3Sun
4Mon8:3810.19:149.32:090.82:500.26:135:38Waxing Gibbous4Mon
5Tue9:3110.110:029.43:050.83:400.36:115:39Waxing Gibbous5Tue
6Wed10:1810.010:449.53:550.74:230.36:095:40Full Moon6Wed
7Thu10:599.911:209.64:380.65:010.36:085:41Full Moon7Thu
8Fri11:359.811:549.65:170.55:370.46:065:42Full Moon8Fri
9Sat12:109.65:550.46:130.56:045:44Full Moon9Sat
10Sun12:279.71:459.57:330.47:500.67:026:45Waning Gibbous10Sun
11Mon2:019.72:239.38:120.58:290.87:016:46Waning Gibbous11Mon
12Tue2:389.63:039.18:550.69:111.16:596:47Waning Gibbous12Tue
13Wed3:199.53:468.89:400.79:561.36:576:48Waning Gibbous13Wed
14Thu4:039.44:338.510:280.910:451.66:566:49Third Quarter14Thu
15Fri4:519.35:258.311:201.111:371.76:546:51Third Quarter15Fri
16Sat5:459.26:238.212:141.16:526:52Third Quarter16Sat
17Sun6:449.27:248.412:321.71:111.06:506:53Third Quarter17Sun
18Mon7:449.48:228.81:301.52:070.76:496:54Waning Crescent18Mon
19Tue8:419.89:159.32:261.13:010.36:476:55Waning Crescent19Tue
20Wed9:3610.310:0610.03:210.63:53-0.26:456:56Waning Crescent20Wed
21Thu10:2810.810:5510.74:14-0.14:43-0.66:436:58New Moon21Thu
22Fri11:2011.211:4411.45:06-0.85:32-1.06:426:59New Moon22Fri
23Sat12:1011.45:57-1.46:19-1.36:407:00New Moon23Sat
24Sun12:3211.91:0011.56:47-1.87:07-1.36:387:01Waxing Crescent24Sun
25Mon1:2012.11:5111.47:37-1.97:57-1.26:377:02Waxing Crescent25Mon
26Tue2:1112.12:4411.08:30-1.88:49-0.86:357:03Waxing Crescent26Tue
27Wed3:0411.93:4010.69:25-1.49:44-0.46:337:04Waxing Crescent27Wed
28Thu4:0111.44:3910.110:21-0.910:410.16:317:05First Quarter28Thu
29Fri5:0010.95:419.611:21-0.411:410.66:307:07First Quarter29Fri
30Sat6:0410.46:499.312:220.16:287:08First Quarter30Sat
31Sun7:1310.07:569.312:450.91:250.46:267:09Waxing Gibbous31Sun
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 7:00 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 spring phase. Tonight's moon is 92% 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 Waxing Gibbous (92% 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