Tides Today & Tomorrow in Chelsea, MA

TIDE TIMES for Saturday, June 27, 2026
The tide is currently rising in Chelsea, MA.
Next low tide (tomorrow) : 5:01 am (0.9 ft)
Next high tide : in 5h 32m at 10:41 pm (9.8 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:09 am
Moon phase : Waxing Gibbous (95% illuminated)
Tide Station Location : Station #8443725
Common Questions About Tides

Chelsea, MA Tides - Jul 2017

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:549.86:3010.012:010.55:118:24First Quarter1Sat
2Sun6:569.37:289.812:351.012:560.95:118:24First Quarter2Sun
3Mon7:569.08:219.81:331.11:491.25:128:24Waxing Gibbous3Mon
4Tue8:528.89:119.82:291.12:401.45:128:24Waxing Gibbous4Tue
5Wed9:438.79:569.83:201.03:291.65:138:24Waxing Gibbous5Wed
6Thu10:298.710:389.84:080.94:141.65:148:23Waxing Gibbous6Thu
7Fri11:128.711:189.94:520.84:581.65:148:23Full Moon7Fri
8Sat11:518.811:5510.05:330.75:401.65:158:22Full Moon8Sat
9Sun12:288.86:120.56:201.55:168:22Full Moon9Sun
10Mon12:3210.01:049.06:510.47:001.45:168:22Full Moon10Mon
11Tue1:0910.11:429.17:300.37:411.35:178:21Waning Gibbous11Tue
12Wed1:4910.12:219.38:110.28:251.25:188:21Waning Gibbous12Wed
13Thu2:3110.13:049.58:550.29:121.15:198:20Waning Gibbous13Thu
14Fri3:1610.13:499.79:400.210:021.05:208:19Waning Gibbous14Fri
15Sat4:059.94:389.910:280.310:550.85:208:19Third Quarter15Sat
16Sun4:589.85:3010.111:190.411:510.65:218:18Third Quarter16Sun
17Mon5:569.66:2710.412:130.45:228:17Third Quarter17Mon
18Tue6:589.57:2710.712:500.31:090.45:238:17Waning Crescent18Tue
19Wed8:019.68:2611.11:490.02:070.45:248:16Waning Crescent19Wed
20Thu9:029.89:2311.52:48-0.43:040.25:258:15Waning Crescent20Thu
21Fri10:0110.110:2011.83:46-0.84:010.05:268:14Waning Crescent21Fri
22Sat10:5810.311:1512.04:42-1.24:57-0.35:278:13New Moon22Sat
23Sun11:5310.65:36-1.45:50-0.45:288:13New Moon23Sun
24Mon12:0812.112:4510.76:27-1.56:42-0.55:298:12New Moon24Mon
25Tue1:0012.01:3510.87:17-1.47:33-0.45:308:11Waxing Crescent25Tue
26Wed1:5111.62:2510.78:05-1.18:24-0.25:318:10Waxing Crescent26Wed
27Thu2:4211.23:1510.58:54-0.79:170.15:328:09Waxing Crescent27Thu
28Fri3:3310.64:0510.39:44-0.210:090.45:338:08First Quarter28Fri
29Sat4:2510.04:5510.010:340.311:030.85:338:07First Quarter29Sat
30Sun5:189.45:489.711:240.811:571.05:358:06First Quarter30Sun
31Mon6:158.96:439.512:161.25:368:04First Quarter31Mon
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 1:51 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 95% 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 (95% 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