Tides Today & Tomorrow in Chelsea, MA

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Chelsea, MA.
Next low tide : in 3h 03m at 10:03 pm (1.4 ft)
Next high tide (tomorrow) : 4:06 am (9.6 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 - Mar 2006

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:0511.65:50-1.36:16-1.56:195:33Waxing Crescent1Wed
2Thu12:3111.512:5511.46:40-1.47:04-1.36:175:34Waxing Crescent2Thu
3Fri1:1911.61:4710.97:32-1.47:53-0.86:155:36Waxing Crescent3Fri
4Sat2:0911.42:4010.28:26-1.08:43-0.26:145:37Waxing Crescent4Sat
5Sun3:0111.03:369.59:21-0.59:370.56:125:38First Quarter5Sun
6Mon3:5610.54:368.910:180.010:331.16:105:39First Quarter6Mon
7Tue4:569.95:428.411:190.611:331.66:095:40First Quarter7Tue
8Wed6:029.56:528.112:231.06:075:42First Quarter8Wed
9Thu7:099.37:568.112:361.91:271.16:055:43Waxing Gibbous9Thu
10Fri8:099.38:518.31:372.02:261.16:045:44Waxing Gibbous10Fri
11Sat9:019.39:388.42:331.93:161.16:025:45Waxing Gibbous11Sat
12Sun9:479.410:178.73:221.73:581.06:005:46Waxing Gibbous12Sun
13Mon10:279.410:518.94:061.44:340.95:595:47Full Moon13Mon
14Tue11:029.511:239.14:451.25:080.85:575:49Full Moon14Tue
15Wed11:369.411:539.35:220.95:410.85:555:50Full Moon15Wed
16Thu12:109.45:580.76:160.85:535:51Full Moon16Thu
17Fri12:259.512:459.36:360.66:520.95:525:52Waning Gibbous17Fri
18Sat12:589.71:239.17:160.57:301.15:505:53Waning Gibbous18Sat
19Sun1:369.72:048.97:590.58:121.35:485:54Waning Gibbous19Sun
20Mon2:179.72:518.78:460.68:581.55:475:56Waning Gibbous20Mon
21Tue3:049.73:428.49:370.79:501.75:455:57Third Quarter21Tue
22Wed3:579.64:408.210:330.810:471.85:435:58Third Quarter22Wed
23Thu4:589.65:468.311:340.811:501.75:415:59Third Quarter23Thu
24Fri6:059.76:538.612:360.65:406:00Waning Crescent24Fri
25Sat7:1110.17:549.112:531.41:370.25:386:01Waning Crescent25Sat
26Sun8:1310.58:509.81:550.82:33-0.25:366:02Waning Crescent26Sun
27Mon9:1110.99:4210.52:530.13:26-0.65:346:04Waning Crescent27Mon
28Tue10:0511.210:3211.23:49-0.64:17-0.95:336:05New Moon28Tue
29Wed10:5711.311:2011.64:42-1.15:05-1.05:316:06New Moon29Wed
30Thu11:4711.25:32-1.55:51-0.95:296:07New Moon30Thu
31Fri12:0611.812:3710.96:21-1.56:38-0.65:276:08Waxing Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8443725)

Common Questions About Chelsea, MA Tides

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

Slack tide in Chelsea, MA is approximately 1:04 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 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